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DESCRIPTION
RELAY MANUAL Instruction 7UT GETRANSCRIPT
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SIPROTEC 5 V4.00Transformer Differential Protection7UT85, 7UT86, 7UT87
Technical Data
Extract from manual C53000-G5040-C016-3, chapter 11
Energy Automation
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iiNOTE
For your own safety, please observe the warnings and safety instructions contained in this manual.
Disclaimer of LiabilityThis document has been subjected to rigorous technicalreview before being published. It is revised at regular inter-vals, and any modifications and amendments are includedin the subsequent issues. The content of this documenthas been compiled for information purposes only. AlthoughSiemens AG has made best efforts to keep the documentas precise and up-to-date as possible, Siemens AG shallnot assume any liability for defects and damage whichresult through use of the information contained herein.This content does not form part of a contract or of businessrelations; nor does it change these. All obligations ofSiemens AG are stated in the relevant contractual agree-ments.Siemens AG reserves the right to revise this documentfrom time to time.Document version: C53000-G5040-C016-3.02Release status: 10.2013Version of the product described: V4.00
CopyrightCopyright Siemens AG 2013. All rights reserved.The disclosure, duplication, distribution and editing of thisdocument, or utilization and communication of the contentare not permitted, unless authorized in writing. All rights,including rights created by patent grant or registration of autility model or a design, are reserved.Registered TrademarksSIPROTEC, DIGSI, SIGUARD, SIMEAS and SICAMare registered trademarks of Siemens AG. Any unauthor-ized use is illegal. All other designations in this documentcan be trademarks whose use by third parties for their ownpurposes can infringe the rights of the owner.
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Preface
Purpose of the Manual
This manual describes the functions for transformer protection.
Target Audience
Protection system engineers, commissioning engineers, persons entrusted with the setting, testing and main-tenance of automation, selective protection and control equipment, and operational crew in electrical installa-tions and power plants.
Scope
This manual applies to the SIPROTEC 5 device family.
Further Documentation
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Device manualsEach device manual describes the functions and applications of a specific SIPROTEC 5 device. Theprinted manual and the online help for the device have the same informational structure.
Hardware manualThe hardware manual describes the hardware building blocks and device combinations of theSIPROTEC 5 device family.
Operating manualThe operating manual describes the basic principles and procedures for operating and assembling thedevices of the SIPROTEC 5 range.
SIPROTEC 5, Transformer Differential Protection, Manual 3C53000-G5040-C016-3, Release 10.2013
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Communication protocol manualsThe communication protocol manuals contain a description of a specific protocol for communicationwithin the SIPROTEC 5 device family and to higher-level network control centers.
Product InformationThe product information includes general information about conditions when preparing for operation.This document is provided with each SIPROTEC 5 device.
Engineering GuideThe Engineering Guide describes the important steps in engineering with DIGSI 5. In addition, you learnin the Engineering Guide how to load a projected configuration in a SIPROTEC 5 device and update thedevice functionality of the SIPROTEC 5 device.
DIGSI 5 online helpThe DIGSI 5 online help contains a help package for DIGSI and CFC.The help package for DIGSI 5 includes a description of the basic operation of software, the DIGSI princi-ples and editors. The help package for CFC includes an introduction to CFC programming, basic exam-ples of working with CFC, and a reference chapter with all the CFC blocks available for the SIPROTEC 5range.
SIPROTEC 5/DIGSI 5 TutorialThe tutorial on the DVD contains brief information about important product features, more detailed infor-mation about the individual technical areas, as well as operating sequences with tasks based on prac-tical operation and a brief explanation.
System catalogThe system catalog describes the SIPROTEC 5 system features.
Device catalogsThe device catalogs describe device-specific features such as functional scope, hardware and applica-tions.
Indication of Conformity
This product complies with the directive of the Council of the European Communi-ties on harmonization of the laws of the Member States relating to electromagneticcompatibility (EMC Council Directive 2004/108/EC) and concerning electrical equip-ment for use within specified voltage limits (Low Voltage Directive 2006/95/EC).This conformity has been verified by tests performed according to the Council Direc-tive in accordance with the generic standards EN 61000-6-2 and EN 61000-6-4 (forEMC directive) and with the standard EN 60255-27 (for Low Voltage Directive) bySiemens AG.The device is designed and manufactured for application in an industrial environ-ment.The product conforms with the international standards of IEC 60255 and theGerman standard VDE 0435.
Other Standards
IEEE Std C 37.90This product is UL-certified with the values shown in the Technical data.File E194016
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Preface
4 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Additional Support
For questions about the system, please contact your Siemens sales partner.
Support
Our Customer Support Center provides 24-hour service.Tel.: +49 (180) 524-8437Fax: +49 (180) 524-2471E-mail: [email protected]
Training Courses
Inquiries regarding individual training courses should be addressed to our Training Center:Siemens AGSiemens Power Academy TDHumboldtstrasse 5990459 NurembergTel.: +49 (911) 433-7415Fax: +49 (911) 433-5482E-mail: [email protected]: http://www.siemens.com/poweracademy
Safety Information
This manual is not a complete index of all safety measures required for operation of the equipment (moduleor device). However, it contains important information that must be followed for personal safety, as well as toavoid physical damage. Information is highlighted and illustrated as follows according to the degree ofdanger.
! DANGERDANGER means that death or severe injury will result if the measures specified are not taken.
Comply with all instructions in order to avoid death or severe injuries.
! WARNINGWARNING means that death or severe injury may result if the measures specified are not taken.
Comply with all instructions in order to avoid death or severe injuries.
! CAUTIONCAUTION means that moderately severe or slight injuries can occur if the specified measures are nottaken.
Comply with all instructions in order to avoid moderate or minor injuries.
Preface
SIPROTEC 5, Transformer Differential Protection, Manual 5C53000-G5040-C016-3, Release 10.2013
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NOTICENOTE means that property damage can result if the measures specified are not taken.
Comply with all instructions in order to avoid property damage.
iiNOTE
Important information about the product, product handling or a certain section of the documentation, whichmust be given particular attention.
Qualified Electrical Engineering Personnel
Only qualified electrical engineering personnel may commission and operate the equipment (module, device)described in this document. Qualified electrical engineering personnel in the sense of this manual are peoplewho can demonstrate technical qualifications as electrical technicians. These persons may commission,isolate, ground and label devices, systems and circuits according to the standards of safety engineering.
Proper Use
The equipment (device, module) may be used only for such applications as set out in the catalogs and thetechnical description, and only in combination with third-party equipment recommended and approved bySiemens.Problem-free and safe operation of the product depends on the following: Proper transport Proper storage, setup and installation Proper operation and maintenanceWhen electrical equipment is operated, hazardous voltages are inevitably present in certain parts. If properaction is not taken, death, severe injury or property damage can result. The equipment must be grounded at the grounding terminal before any connections are made. All circuit components connected to the power supply may be subject to dangerous voltage. Hazardous voltages may be present in equipment even after the supply voltage has been disconnected
(capacitors can still be charged).
Operation of equipment with exposed current-transformer circuits is prohibited. Before disconnecting theequipment, ensure that the current-transformer circuits are short-circuited.
The limiting values stated in the document may not be exceeded. This must also be considered duringtesting and commissioning.
Preface
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Technical Data
11.1 General Device Data 1071
11.2 Transformer Differential Protection 1078
11.3 Ground-Fault Differential Protection 1080
11.4 Differential Motor Protection 1081
11.5 Sensitive Ground-Fault Detection 1083
11.6 Protection Interface and Protection Topology 1087
11.7 Date and Time Synchronization 1089
11.8 Phasor Measurement Unit 1090
11.9 Distance Protection 1091
11.10 Power-Swing Blocking 1093
11.11 External Trip Initiation 1094
11.12 Definite Time-Overcurrent Protection, Phases 1095
11.13 Inverse Time-Overcurrent Protection, Phases 1096
11.14 Overcurrent Protection, Phases with User-Defined Characteristic Curve 1104
11.15 Definite-Time Overcurrent Protection, Ground 1106
11.16 Inverse-Time Overcurrent Protection, Ground 1107
11.17 Overcurrent Protection, Ground with User-Defined Characteristic Curve 1115
11.18 Overcurrent Protection, 1-Phase (Stage Description Definite Time-Overcurrent Protec-tion)
1117
11.19 Overcurrent Protection, 1-Phase (Stage Description Inverse Time-Overcurrent Protec-tion)
1119
11.20 Overcurrent Protection, 1-Phase with User-Defined Characteristic Curve 1121
11.21 Overcurrent Protection, 1-Phase (Fast Stage) 1123
11.22 Directional Time-Oovercurrent Protection, Phases 1124
11.23 Directional Time-Overcurrent Protection, Ground 1127
11.24 Negative-Sequence Protection with Definite-Time Characteristic Curve 1131
11.25 Instantaneous High-Current Tripping 1132
11.26 Overvoltage Protection with 3-Phase Voltage 1133
11.27 Overvoltage Protection with Positive-Sequence Voltage 1134
11.28 Overvoltage Protection with Negative-Sequence Voltage 1135
11.29 Overvoltage Protection with Zero-Sequence Voltage/Residual Voltage 1136
11.30 Overvoltage Protection with Any Voltage 1137
11.31 Undervoltage Protection with 3-Phase Voltage 1138
11.32 Undervoltage Protection with Positive-Sequence Voltage 1139
11.33 Undervoltage Protection with Any Voltage 1140
11
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11.34 Overfrequency Protection 1141
11.35 Underfrequency Protection 1142
11.36 Rate of Frequency Change Protection 1143
11.37 Fault Locator 1144
11.38 Instantaneous Tripping at Switch onto Fault 1145
11.39 Thermal Overload Protection 1146
11.40 Analog Units Function Group 1148
11.41 Temperature Supervision 1149
11.42 Hot-Spot Calculation 1150
11.43 Circuit-Breaker Failure Protection 1151
11.44 Overexcitation Protection 1152
11.45 Unbalanced-Load Protection 1154
11.46 Inrush-Current Detection 1156
11.47 3-Phase Power Protection (P,Q) 1157
11.48 Primary and Secondary Testing of the Synchronization Function 1158
11.49 Synchronization Function 1162
11.50 Voltage Controller 1164
11.51 Current-Balance Supervision 1165
11.52 Voltage-Balance Supervision 1166
11.53 Current-Sum Supervision 1167
11.54 Voltage-Sum Supervision 1168
11.55 Current Phase-Rotation Supervision 1169
11.56 Voltage Phase-Rotation Supervision 1170
11.57 Trip-Circuit Supervision 1171
11.58 Supervision of the Device-Internal Analog-Digital Converters 1172
11.59 Measuring-Voltage Failure Detection 1173
11.60 Voltage-Transformer Circuit Breaker 1174
11.61 Operational Measured Values 1175
11.62 Energy Values 1177
Technical Data
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General Device Data
Analog Inputs
Current Inputs
All current, voltage, and power data are specified as RMS values.Rated frequency frated 50 Hz, 60 Hz
Protection-class currenttransformers
Rated Current Irated Measuring Range
5 A5 A5 A1 A1 A1 A
500 A250 A100 A100 A50 A20 A
Instrument transformers 5 A1 A
8 A1.6 A
Power consumption percurrent circuit at ratedcurrent
Approx. 0.1 VA
Thermal rating(protection and instrumenttransformers)
500 A for 1 s150 A for 10 s20 A continuously25 A for 3 min30 A for 2 min
Dynamic load-carryingcapacity
1250 A one half wave
Voltage Input
All current, voltage, and power data are specified as RMS values.Ratedfrequency frated
50 Hz, 60 Hz
Input andoutput modules
IO202/IO208/IO211/IO214 IO215
Measuringrange
200 V 7.07 V
Input impe-dance
200 k 7 k
Thermal rating 230 V continuously 20 V continuously
Measuring-Transducer Inputs (via Module ANAI-CA-4EL)
Connector type 8-pin multiple contact stripDifferential current input channels 4Measuring range DC -24 mA to DC +24 mAFault < 0.5 % of measuring rangeInput impedance 140 Conversion principle Delta-sigma (16 bit)Permissible potential difference between channels DC 20 VElectrical separation from ground/housing DC 700 V
11.1
11.1.1
Technical Data11.1 General Device Data
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Permissible overload DC 100 mA, continuouslyMeasurement repetition 200 ms
Supply Voltage
Integrated Power SupplyFor modular devices, the following printed circuit-board assemblies have a power supply:PS201 Power supply of the base module and of the 1st device rowPS203 Voltage supply of 2nd device rowCB202 Plug in module assembly with integrated power supply, for example, to accommodate communica-tion modulesPermissible voltageranges(PS201, PS203, CB202)
DC 19 V to DC 60 V DC 48 V to DC 300 VAC 80 V to AC 265 V
Auxiliary rated voltage VH(PS201, PS203, CB202)
DC 24 V/DC 48 V DC 60 V/DC 110 V/ DC 125 V/ DC 220 V/DC 250 V DC orAC 100 V/AC 115 V/ AC 230 V, 50 Hz/60 Hz
Permissible voltageranges (PS101)
DC 19 V to DC 60 V DC 48 V to DC 150 V DC 88 V to DC 300 VAC 80 V to AC 265 V
Auxiliary rated voltage VH(PS101)
DC 24 V/DC 48 V DC 60 V/DC 110 V/DC 125 V
DC 110 V/ DC 125 V/DC 220 V/DC 250 VorAC 100 V/AC 115 V/AC 230 V, 50 Hz/60 Hz
Superimposed alternating voltage, peak-to-peak,IEC 60255-11
15% of the DC auxiliary rated voltage (applies onlyto direct voltage)
Inrush current 18 ARecommended external protection Miniature circuit breaker 6 A, characteristic C
according to IEC 60898Internal fuse DC 24 V to DC 48 V DC 60 V to DC 125 V DC 24 V to DC 48 V
AC 100 V to AC 230 VPS101 4 A inert, AC 250 V,
DC 150 V,UL recognizedSIBA type 179200 orSchurter type SPT 5x20
2 A time-lag, AC 250 V, DC 300 V, UL recognizedSIBA type 179200 or Schurter type SPT 5x20
PS201, PS203, CB202 2 A time-lag, AC 250 V, DC 300 V, UL recognizedSIBA type 179200 or Schurter type SPT 5x20
Power consumption (life relay active) DC AC 230 V/50 Hz AC 115 V/50 Hz1/3 base module, non-modularWithout plug-in modules
7.0 W 11.5 VA 15 VA
1/3 base moduleWithout plug-in modules
13 W 33 VA 24 VA
1/6 expansion module 3 W 6 VA 6 VA
11.1.2
Technical Data11.1 General Device Data
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Integrated Power Supply1/6 plug-in moduleassembly without plug-inmodules (modulesCB202)
3.5 W 14 VA 7 VA
Plug-in module for basemodule or plug-in moduleassembly (for example,communication module)
< 5 W < 6 VA < 6 VA
Stored-energy time for auxiliary voltage outage orshort circuit, modular devices
For V DC 24 V 50 msFor V DC 110 V 50 msFor V AC 115 V 50 ms
Stored-energy time for auxiliary voltage outage orshort circuit, non-modular devices
For V DC 24 V 20 msFor V DC 60 V/DC 110 V 50 msFor V AC 115 V 200 ms
Binary Inputs
Rated voltagerange
DC 24 V to DC 250 V (bipolar)
Currentconsumption,excited
Approx. DC 0.6 mA to DC 1.8 mA (independent of the operating voltage)
Pickup time Approx. 3 msDropout Time Approx. 4 msSwitchingthresholds
Adjustable with DIGSI 5Range 1 for 24 V, 48 V, and 60 VOperating voltage
Vlow DC 10 VVhigh DC 19 V
Range 2 for 110 V and 125 VOperating voltage
Vlow DC 44 VVhigh DC 88 V
Range 3 for 220 V and 250 VOperating voltage
Vlow DC 88 VVhigh DC 176 V
Maximumpermittedvoltage
DC 300 V
The binary inputs contain interference suppression capacitors. In order to ensure EMC, use the terminalsshown in the terminal diagrams/connection diagrams to connect the binary inputs to the common potential.
Relay Outputs
Standard Relay (Type S)
Switching capacity On: 1000 W/VAOff: 30 VA; 40 W ohmic;25 W/VA at L/R 40 ms
AC and DC contact voltage 250 VPermissible current per contact (continuous) 5 APermissible current per contact (switching on andholding)
30 A for 1 s (make contact)
Short-time current across closed contact 250 A for 30 ms
11.1.3
11.1.4
Technical Data11.1 General Device Data
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Total permissible current for contacts connected tocommon potential
5 A
Switching time OOT (Output Operating Time)Additional delay of the output medium used
10 ms
Max. rated data of the output contacts in accordancewith UL certification
5 A continuous currentAC 250 V, 5 A, General PurposeDC 250 V, 5 A (make), 0.1 A (break)AC 120 V, 1/3 hpAC 250 V, 1/2 hpB300R300
Interference suppression capacitors across thecontacts
4.7 nF, 20 %, AC 250 V
Fast Relay (Type F)
Switching capacity On: 1000 W/VAOff: 30 VA; 40 W ohmic;25 W/VA at L/R 40 ms
AC and DC contact voltage 250 VPermissible current per contact (continuous) 5 APermissible current per contact (switching on andholding)
30 A for 1 s (make contact)
Short-time current across closed contact 250 A for 30 msTotal permissible current for contacts connected tocommon potential
5 A
Switching time OOT (Output Operating Time)Additional delay of the output medium used
Closing time, typical: 4 msOpening time, typical: 2 msMaximum: 5 ms
Rated data of the output contacts in accordance withUL certification
AC 120 V, 8.5 A, General PurposeAC 277 V, 6 A, General PurposeAC 277 V, 0.7 hpAC 347 V, 4.5 A, General PurposeB300R300
Interference suppression capacitors across thecontacts
4.7 nF, 20 %, AC 250 V
Supervision 2-channel activations with cyclic testing (only formake contact)
High-Speed Relay with Semiconductor Acceleration (Type HS)
Switching capacity On/Off: 1000 W/VAContact voltage AC 200 V, DC 250 VPermissible current per contact (continuous) 5 APermissible current per contact (switching on andholding)
30 A for 1 s (make contact)
Short-time current across closed contact 250 A for 30 msTotal permissible current for contacts connected tocommon potential
5 A
Switching time OOT (Output Operating Time)Additional delay of the output medium used
1 ms
Technical Data11.1 General Device Data
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Rated data of the output contacts in accordance withUL certification
B150Q300
Power Relay (for Direct Control of Motor Switches)
Switching on switching power for 30 s, recovery time until switching on again: 15 minutes250 V/4.0 A220 V/4.5 A110 V/9.0 A60 V/10 A48 V/10 A24 V/10 A
1000 W1000 W1000 W600 W480 W240 W
AC and DC contact voltage 250 VPermissible continuous current per contact 5 APermissible current per contact (switching on andholding)
30 A for 1 s
Short-time current across closed contact 250 A for 30 msTotal permissible current for contacts connected tocommon potential
5 A
Switching time OOT (Output Operating Time)Additional delay of the output medium used
16 ms
Rated data of the output contacts in accordance withUL certification
DC 300 V, 10 A, ResistiveDC 250 V, 1 hp motor - 30 s ON, 15 min OFFDC 110 V, 3/4 hp motor - 30 s ON, 15 min OFFDC 60 V, 1/2 hp motor - 30 s ON, 15 min OFFDC 48 V, 1/3 hp motor - 30 s ON, 15 min OFFDC 24 V, 1/6 hp motor - 30 s ON, 15 min OFF
Interference suppression capacitors across thecontacts
4.7 nF, 20 %, AC 250 V
The power relays operate in interlocked mode, that is, only one relay of each switching pair picks up at atime thereby avoiding a power supply short circuit.
Design Data
Masses
Device DizeGround of the Modular Devices
Type of construction 1/3 1/2 2/3 5/6 1/1Flush-mounting device 4.8 kg 8.1 kg 11.4 kg 14.7 kg 18.0 kgSurface-mounted device withintegrated on-site operation panel
7.8 kg 12.6 kg 17.4 kg 22.2 kg 27.0 kg
Surface-mounted device withdetached on-site operation panel
5.1 kg 8.7 kg 12.3 kg 15.9 kg 19.5 kg
Size WeightDetached on-site operation panel 1/3 1.9 kgDetached on-site operation panel 1/6 1.1 kg
Device DizeGround of the Non-Modular Devices 7xx82
Type of construction 1/3
11.1.5
Technical Data11.1 General Device Data
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Device DizeGround of the Non-Modular Devices 7xx82
Flush-mounting device 3.7 kg
Dimensions of the Basic and 1/3 Models
Type of Construction (Maximum Dimensions) Width x Height x Depth (in Inches)Flush-mounting device 145 mm x 268 mm x 228.5 mm (5.71 x 10.55 x 9)Surface-mounted device with integrated on-site oper-ation panel
145 mm x 314 mm x 337 mm (5.71 x 12.36 x 13.27)
Surface-mounted device with detached on-site opera-tion panel
145 mm x 314 mm x 230 mm (5.71 x 12.36 x 9.06)
Dimensions of Device Rows
Type ofConstruction(MaximumDimensions)
Width x Height x Depth (in Inches)
Type ofconstruction
1/3 1/2 2/3 5/6 1/1
Flush-mountingdevice
145 mm x 268mm x 228.5 mm
220 mm x 268mm x 228.5 mm
295 mm x 268mm x 228.5 mm
370 mm x 268mm x 228.5 mm
445 mm x 268mm x 228.5 mm
Surface-mounted devicewith integratedon-site operationpanel
145 mm x314 mm x337 (8.66 x17.52 x 13.27)
220 x 314 x337 (8.66 x17.52 x 13.27)
295 x 314 x337 (8.66 x17.52 x 13.27)
370 x 314 x337 (8.66 x17.52 x 13.27)
445 mm x314 mm x337 (8.66 x17.52 x 13.27)
Surface-mounted devicewith detachedon-site operationpanel
145 mm x314 mm x230 (14.57 x12.36 x 9.06)
220 x 314 x230 (14.57 x12.36 x 9.06)
295 x 314 x230 (14.57 x12.36 x 9.06)
370 x 314 x230 (14.57 x12.36 x 9.06)
445 mm x314 mm x230 (14.57 x12.36 x 9.06)
Expansion Module Dimensions
Type of Construction (Maximum Dimensions) Width x Height x Depth (in Inches)
Flush-mounting device 75 mm x 268 mm x 228.5 mm (2.95 x 10.55 x 9)Surface-mounted device with integrated on-site oper-ation panel
75 mm x 314 mm x 337 mm (2.95 x 12.36 x 13.27)
Surface-mounted device with detached on-site opera-tion panel
75 mm x 314 mm x 230 mm (2.95 x 12.36 x 9.06)
Plug-In Module Dimensions
Type of Construction (Maximum Dimensions) Width x Height x Depth (in Inches)
USART-Ax-xEL, ETH-Bx-xEL 61 mm x 45 mm x 120.5 mm (2.4 x 1.77 x 4.74)USART-Ax-xFO, ETH-Bx-xFO (without protectivecover)
61 mm x 45 mm x 132.5 mm (2.4 x 1.77 x 5.22)
ANAI-CA-4EL 61 mm x 45 mm x 119.5 mm (2.4 x 1.77 x 4.7)
Technical Data11.1 General Device Data
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Minimum Bending Radii of the Connecting Cables Between the On-Site Operation Panel and the Base Module
Fiber-optic cable R = 50 mmPay attention to the length of the cable protectionsleeve, which you must also include in calculations.
D-Sub cable R = 50 mm (minimum bending radius)
Degree of Protection Compliant with IEC 60529
For equipment in the surface-mounting housing IP50For equipment in the flush-mounting housing Front IP51
Back side of the modular devices IP50Back side of the non-modular devices IP40
For operator protection IP2X for current terminalsIP1X for voltage terminals
Degree of pollution, IEC 60255-27 2
UL Note
Type 1 if mounted into a door or front cover of an enclosure.When expanding the device with the 2nd device row, then they must be mounted completely inside anenclosure.
Tightening Torques for Terminal Screws
Type of Line Current Terminal Voltage Terminal withSpring-Loaded Termi-nals
Voltage Terminal withScrew Connection
Litz wire with ring-type lug 2.7 Nm No ring-type lug No ring-type lugStranded wires with boot-lace ferrules or pin-typelugs
2.7 Nm 1.0 Nm 0.6 Nm
Solid conductor, bare(2 mm2)
2.0 Nm 1.0 Nm
iiNOTE
Use copper cables only.
Technical Data11.1 General Device Data
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Transformer Differential Protection
Setting Values
Operate CurveThreshold value I/IratedObj 0.05 to 2.00 Increments of 0.01
Gradient 1 0.00 to 0.80 Increments of 0.01Intersection 1 Irest I/IratedObj 0.00 to 5.00 Increments of 0.01
Gradient 2 0.25 to 0.95 Increments of 0.01Intersection 2 Irest I/IratedObj 1.00 to 20.00 Increments of 0.01
Startup recognitionStartup threshold value I/IratedObj 0.1 to 2.0 Increments of 0.1
Characteristic curve increase factor 1.0 to 5.0 Increments of 0.1Maximum starting time 0.1 s to 180.0 s Increments of 0.1 sDC component recognitionCharacteristic curve increase factor DC 1.0 to 5.0 Increments of 0.1Inrush-current detectionContent 2nd harmonic 10 % to 45 % Increments of 1 %Duration of crossblk. 2. har. 0.00 s to 200.00 s or
Increments of 0.01 s
Blocking of overfluxingContent 3rd harmonic 10 % to 80 % Increments of 1 %Duration of crossblk. 3. har. 0.00 s to 200.00 s or
Increments of 0.01 s
Content 5th harmonic 10 % to 80 % Increments of 1 %Duration of crossblk. 5. har. 0.00 s to 200.00 s or
Increments of 0.01 s
Limit Idiff 3rd, 5th harm. I/IratedObj 0.5 to 20.0 Increments of 0.1
Recognition of external faultsAdditional stabilization threshold value I/IratedObj 1.00 to 20.00 Increments of 0.01
Additional stabilization duration 0.00 s to 5.00 s or Increments of 0.01 sCrossblk. duration additional stabilization 0.00 s to 2.00 s or Increments of 0.01 sOperate Curve see figure
IDiff-fast
Threshold value I/IratedObj 0.5 to 35.0 Increments of 0.1
Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
Response Tolerance
For preset characteristic curve parameters; for 2 sides with one measuring point eachIdiff tripping stage and characteristic curve 2 % of the setting valueIdiff fast tripping stage 2 % of the setting value
Time Delays
Idiff tripping stage 0.00 s to 60.00 s Increments of 0.01 sIdiff fast tripping stage 0.00 s to 60.00 s Increments of 0.01 sTimer tolerance 1 % of the setting value or 10 ms
11.2
Technical Data11.2 Transformer Differential Protection
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Figure 11-1 Operate Curve of the Differential Protection
Operating Times
Operate times for one-sided supplyTripping stage IDIFF>, min 50 Hz
60 Hz23 ms + OOT22
20 ms + OOT1)
Tripping stage IDIFF>>, min 50 Hz60 Hz
8 ms + OOT1)
8 ms + OOT1)
Dropout time, approx. 50 Hz60 Hz
29 ms + OOT26 ms + OOT
Dropout ratio About 0.7
Adaptation for Transformers
Connection symbol adaptation 0 to 11 (x 30) Increments of 1Neutral-point treatment Grounded or not
grounded (for eachwinding)
Frequency Operating Range
Frequency manual update 10 Hz to 80 Hz
22Refer to protection functions, for example overcurrent protection
Technical Data11.2 Transformer Differential Protection
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Ground-Fault Differential Protection
Setting Values
Threshold value23 0.05 A to 2.00 A Increments of 0.01A
Gradient 0.00 to 0.95 Increments of 0.01Pickup characteristic see figureResponse tolerance(For preset characteristic curve parameters; for 2 sides with 1measuring point each)
2 %
Tripping delay 0.00 s to 60.00 s or (no tripping)
Increments of 0.01 s
Timer tolerance 1% of the setting value or 10 ms
Times
7UT85/7UT86/7UT87Pickup time at frequency
50 Hz 60 Hz
at 1.5 setting value threshold valueat 2.5 setting value threshold value
17 ms + OOT11 ms + OOT
16 ms + OOT10 ms + OOT
Dropout time approx. 80 ms 67 msDropout ratio 0.7
[dwausken-170712-01.tif, 1, en_US]
Figure 11-2 Operate Curve of the Ground-Fault Differential Protection Depending on the Phase AngleBetween I0* and I0** at |I0*| = |I0**| (180 = External Fault)
11.3
23The specified setting limit can be dynamically further limited, depending on the transformer adaptation factor, (for this refer to Chapter6.3.4 Application and Setting Notes ).
Technical Data11.3 Ground-Fault Differential Protection
1080 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Differential Motor Protection
Setting Values
Operate CurveThreshold value I/IratedObj 0.05 to 2.00 Increments of 0.01
Gradient 1 0.00 to 0.80 Increments of 0.01Intersection 1 Irest I/IratedObj 0.00 to 5.00 Increments of 0.01
Gradient 2 0.25 to 0.95 Increments of 0.01Intersection 2 Irest I/IratedObj 1.00 to 20.00 Increments of 0.01
Startup recognitionStartup threshold value I/IratedObj 0.1 to 2.0 Increments of 0.1
Characteristic curve increase factor 1.0 to 5.0 Increments of 0.1Maximum starting time 0.1 s to 180.0 s Increments of 0.1 sDC component recognitionCharacteristic curve increase factor DC 1.0 to 5.0 Increments of 0.1Recognition of external faultsAdditional stabilization threshold value I/IratedObj 1.00 to 20.00 Increments of 0.01
Additional stabilization duration 0.00 s to 5.00 s or Increments of 0.01 sCrossblk. duration Additional stabilization 0.00 s to 2.00 s or Increments of 0.01 sOperate curve See figure
IDiff Fast
Threshold value I/IratedObj 0.5 to 35.0 Increments of 0.1
Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
Response Tolerance
For preset characteristic curve parameters; for 2 sides with one measuring point eachIdiff tripping stage and characteristic curve 2 % of the setting valueIdiff fast tripping stage 2 % of the setting value
Time Delays
Idiff tripping stage 0.00 s to 60.00 s Increments of 0.01 sIdiff fast tripping stage 0.00 s to 60.00 s Increments of 0.01 sTimer tolerance 1 % of the setting value or 10 ms
11.4
Technical Data11.4 Differential Motor Protection
SIPROTEC 5, Transformer Differential Protection, Manual 1081C53000-G5040-C016-3, Release 10.2013
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[dwdifaus-030912-01.tif, 1, en_US]
Figure 11-3 Operate Curve of the Differential Protection
Operating Times
Operate times for one-sided supplyTripping stage IDIFF>, min 50 Hz
60 Hz23 ms + OOT24
20 ms + OOT1)
Tripping stage IDIFF>>, min 50 Hz60 Hz
8 ms + OOT1)
8 ms + OOT1)
Dropout time, approx. 50 Hz60 Hz
29 ms + OOT26 ms + OOT
Dropout ratio Approx. 0.7
Frequency Operating Range
Frequency manual update 10 Hz to 80 Hz
24 Refer to protection functions, for example Overcurrent protection
Technical Data11.4 Differential Motor Protection
1082 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Sensitive Ground-Fault Detection
General
Setting Values
Decay time V0 0.06 s to 0.20 s Increments of 0.01 sDropout delay 0.00 s to 60.00 s Increments of 0.01 sCore-balancecurrent transformercurrent 1Core-balancecurrent transformercurrent 2
For IN transformertype sensitive andIN-rated = 1 A
For Iph-rated = 1 A 0.001 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.001 A to 500.000A
Increments of 0.001A
For IN transformertype sensitive andIN-rated = 5 A
For Iph-rated = 1 A 0.005 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.005 A to 500.000A
Increments of 0.001A
Core-balance current transformer-angle correction F1Core-balance current transformer-angle correction F2
0.0 to 5.0 Increments of 0.1
Frequency Operating Range
0.9 f/frated to 1.1 f/frated According to specified tolerances
10 Hz to 0.9 f/frated1.1 f/frated to 80 Hz
Slightly expanded tolerances 25
f < 10 Hzf > 80 Hz
Active with less sensitivity 1
Tolerances
Currents -3I0 via responsive current transformer:1 % of setting value or 0.1 mA (Irated = 1.6 A) or 0.5 mA (Irated = 8A, frated 10 %)
-3I0 via protection-class current transformers:1 % of setting value or 5 mA (Irated = 1 A) or 25 mA (Irated = 5 A,frated 10 %)
Voltages 1 % of the setting value or 0.05 VTimes 1 % of the setting value or 10 msDirection-calculation angle error 1 at 3I0 > 5 mA, V0 = 0.6 V
2 at 3I0 5 mA, V0 = 0.6 V
Dropout Ratio
Residual current and voltage thresholdvalues
95 % of setting value or 50 % of smallest possible setting value
Overvoltage Protection Stage with Zero-Sequence System/Residual Voltage
The technical data of the overvoltage protection stage with zero-sequence system/residual voltage is found inChapter 11.29 Overvoltage Protection with Zero-Sequence Voltage/Residual Voltage .
11.5
11.5.1
11.5.2
25Inactive during transient ground-fault stage
Technical Data11.5 Sensitive Ground-Fault Detection
SIPROTEC 5, Transformer Differential Protection, Manual 1083C53000-G5040-C016-3, Release 10.2013
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Directional Overcurrent-Protection Stage with cos or sin MeasurementSetting Values
Direction method of measurement cos sin
Threshold value3I0>Minimum directional3I0> for directiondetermination
For IN transformertype sensitive andIN-rated = 1 A
For Iph-rated = 1 A 0.001 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.001 A to 500.000A
Increments of 0.001A
For IN transformertype sensitive andIN-rated = 5 A
For Iph-rated = 1 A 0.005 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0,005 A to 500.000A
Increments of 0.001A
Threshold value V0> 0.300 V to 340 000V
Increments of 0.001V
Time delay of the direction determination 0.00 s to 60.00 s Increments of 0.01 s1 constraint of the direction range2 constraint of the direction range
1 to 15 Increments of 1
Angle correction -45 to 45 Increments of 1Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms Approx. 32 ms + OOT26 at 50 HzApprox. 29 ms + OOT at 60 Hz
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
Dropout time Approx. 32 ms + OOT at 50 HzApprox. 27 ms + OOT at 60 Hz
Transient Ground-Fault Stage
Setting Values
Threshold value3I0>
For current trans-former type protec-tion
For Iph-rated = 1 A 0.030 A to 100 000A
Increments of 0.001A
For Iph-rated = 5 A 0.150 A to 500.000A
Increments of 0.010A
For IN transformertype sensitive andIN-rated = 1 A
For Iph-rated = 1 A 0.001 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.001 A to 500.000A
Increments of 0.001A
For IN transformertype sensitive andIN-rated = 5 A
For Iph-rated = 1 A 0.005 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0,005 A to 500.000A
Increments of 0.001A
Threshold value V0> 0.300 V to 200000 V
Increments of 0.001V
Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
11.5.3
11.5.4
26OOT (Output Operating Time) additional delay of the output medium used, see Chapter 11.1.4 Relay Outputs
Technical Data11.5 Sensitive Ground-Fault Detection
1084 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Times
Operate time with time delay = 0 ms Approx. 60 ms + OOT27 at 50 HzApprox. 55 ms + OOT at 60 Hz
Dropout time Approx. 20 ms + OOT at 50 HzApprox. 15 ms + OOT at 60 Hz
Directional Overcurrent-Protection Stage with 3I0-(V,I) MeasurementSetting Values
Threshold value3I0>
For IN transformertype sensitive andIN-rated = 1 A
For Iph-rated = 1 A 0.001 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.001 A to 500.000A
Increments of 0.001A
For IN transformertype sensitive andIN-rated = 5 A
For Iph-rated = 1 A 0.005 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0,005 A to 500.000A
Increments of 0.001A
Min. U0> for direction determination 0.300 V to 340 000V
Increments of 0.001V
Time delay of the direction determination 0.00 s to 60.00 s Increments of 0.01 sRotation angle of the reference voltage -180 to 180 Increments of 1Forward range +/- 0 to 90 Increments of 1Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms Approx. 23 ms + OOT28 at 50 HzApprox. 21 ms + OOT at 60 Hz
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
Dropout time Approx. 21 ms + OOT at 50 HzApprox. 20 ms + OOT at 60 Hz
Sensitive Ground-Current Protection with 3I0
Setting Values
Method of Measurement Fundamental ComponentRMS Value
Threshold value3I0>
For IN transformertype sensitive andIN-rated = 1 A
For Iph-rated = 1 A 0.001 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.001 A to 500.000A
Increments of 0.001A
For IN transformertype sensitive andIN-rated = 5 A
For Iph-rated = 1 A 0.005 A to 100.000A
Increments of 0.001A
For Iph-rated = 5 A 0.005 A to 500.000A
Increments of 0.001A
Pickup delay 0.00 s to 60.00 s Increments of 0.01 s
11.5.5
11.5.6
27OOT (Output Operating Time) additional delay of the output medium used, see Chapter 11.1.4 Relay Outputs28OOT (Output Operating Time) additional delay of the output medium used, see Chapter 11.1.4 Relay Outputs
Technical Data11.5 Sensitive Ground-Fault Detection
SIPROTEC 5, Transformer Differential Protection, Manual 1085C53000-G5040-C016-3, Release 10.2013
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Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms Approx. 25 ms + OOT29 at 50 HzApprox. 23 ms + OOT at 60 Hz
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
Dropout time Approx. 25 ms + OOT at 50 HzApprox. 22 ms + OOT at 60 Hz
29OOT (Output Operating Time) additional delay of the output medium used, see Chapter 11.1.4 Relay Outputs
Technical Data11.5 Sensitive Ground-Fault Detection
1086 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Protection Interface and Protection Topology
Setting Values
Mode OnOff
PPS Synchronization Telegr. and PPSTelegr. or PPSPPS synchronization off
Blocking of the unbalancedruntimes
YesNo
Maximum signal runtime threshold 0.1 ms to 30.0 ms Increments of 0.1 msMaximum runtime difference 0.000 ms to 3.000 ms Increments of 0.001 msFailure indication after 0.05 s to 2.00 s Increments of 0.01 sFailure indication after 0.0 s to 6.0 s Increments of 0.1 sMax. error rate/h 0.000 % to 100.000 % Increments of 0.001 %Max. error rate/min 0.000 % to 100.000 % Increments of 0.001 %PPS failure indication after 0.5 s to 60.0 s Increments of 0.1 s
Transmission Rate
Direct connection:Transmission rate 2048 kbit/sConnection via communication networks:Supported network interfaces G703.1 with 64 kBit/s
G703-T1 with 1.455 MBit/sG703-E1 with 2.048 MBit/sX.21 with 64 kBit/s or 128 kBit/s or 512 kBit/sPilot wires with 128 kbit/s
Transmission rate 64 kBit/s at G703.11.455 MBit/s at G703-T12.048 MBit/s at G703-E1512 kBit/s or 128 kBit/s or 64 kBit/s at X.21128 kBit/s for pilot wires
Transmission Times
Priority 1Response time, total approx.For 2 ends Minimum 8 ms
Typical 10 msFor 3 ends Minimum 10 ms
Typical 14 msFor 6 ends Minimum 15 ms
Typical 18 msDropout times, total approx.For 2 ends Typical 20 msFor 3 ends Typical 20 msFor 6 ends Typical 26 ms
11.6
Technical Data11.6 Protection Interface and Protection Topology
SIPROTEC 5, Transformer Differential Protection, Manual 1087C53000-G5040-C016-3, Release 10.2013
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Priority 2Response time, total approx.For 2 ends Minimum 9 ms
Typical 16 msFor 3 ends Minimum 12 ms
Typical 18 msFor 6 ends Minimum 17 ms
Typical 23 msDropout times, total approx.For 2 ends Typical 24 msFor 3 ends Typical 25 msFor 6 ends Typical 32 ms
Priority 330
Response time, total approx.For 2 ends Minimum
Typical 100 msFor 3 ends Minimum
Typical 150 msFor 6 ends Minimum
Typical 200 msDropout times, total approx.For 2 ends Typical 100 msFor 3 ends Typical 150 msFor 6 ends Typical 200 ms
30Times cannot be determined because the signals are transmitted in fragments.
Technical Data11.6 Protection Interface and Protection Topology
1088 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Date and Time Synchronization
Date format DD.MM.YYYY (Europe)MM/DD/YYYY (USA)YYYY-MM-DD (China)
Time source 1, time source 2 NoneIRIG-B 002(003)IRIG-B 006(007)IRIG-B 005(004) with extension according toIEEE C37.118-2005DCF77PI (protection interface)31
SNTPIEC 60870-5-103DNP3
Time zone 1, time zone 2 LocalUTC
Failure indication after 0 s to 3600 sTime zone and daylight saving time Transfer of PC settings
Manually setting the time zonesTime zone offset with respect to GMT -720 min to 840 minSwitching over to daylight saving time Active
InactiveBeginning of daylight saving time Input: day and timeEnd of daylight saving time Input: day and timeOffset daylight saving time -120 to 120 [steps of 15]
11.7
31If provided
Technical Data11.7 Date and Time Synchronization
SIPROTEC 5, Transformer Differential Protection, Manual 1089C53000-G5040-C016-3, Release 10.2013
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Phasor Measurement Unit
Accuracy
As per IEEE Std C37.118.1a-2013
Synchrophasor Standard
IEEE Std C37.118.1-2011
11.8
Technical Data11.8 Phasor Measurement Unit
1090 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Distance Protection
Residual Compensation
kr -0.33 to 11.00 Increments of 0.01kx -0.33 to 11.00 Increments of 0.01k0 0.000 to 11.000 Increments of 0.001Angle(k0) -180.00 to +180.00 Increments of 0.01
Configurable separately for eachzone
Parallel-Line Matching
kmR 0.00 to 8.00 Increments of 0.01kmX 0.00 to 8.00 Increments of 0.01km0 0,000 to 8,000 Increments of 0.001Angle(km0) -180.00 to +180.00 Increments of 0.01
Phase preference
For double ground faults in a grounded system Block leading phase from groundBlock lagging phase from groundRelease all loops involvedRelease phase-to-ground loops involvedRelease phase-to-phase loops involved
For double ground faults in isolated or resonant-grounded system
C(A) acyclicA(C) acyclicB(A) acyclicA(B) acyclicC(B) acyclicB(C) acyclicC(A) cyclicA(C) cyclicAll loops involved
Ground-Fault Detection
Threshold value 3I0> For Irated = 1 A 0.030 A to 10.000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 50.00 A Increments of 0.01 A
Threshold value V0> 0.300 V to 35.000 V Increments of 0.001 VMeasurement tolerances for sinusoidal values 5%
Distance measurement
Characteristic Quadrilateral or MHO characteristicMinimum phase current I> For Irated = 1 A 0.030 A to 100.000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dist = Angle of distance-protection characteristic 30.0 to 90.0 Increments of 0.1Quadrilateral setting rangesX reach = reach of reactance For Irated = 1 A 0.050 to 600.000 Increments of 0.001
For Irated = 5 A 0.010 to 120.000
11.9
Technical Data11.9 Distance Protection
SIPROTEC 5, Transformer Differential Protection, Manual 1091C53000-G5040-C016-3, Release 10.2013
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R (ph-ph) = Phase-to-phaseresistance reserve
For Irated = 1 A 0.050 to 600.000 Increments of 0.001 For Irated = 5 A 0.010 to 120.000
R (ph-gnd) = Phase-to-groundresistance reserve
For Irated = 1 A 0.050 to 600.000 Increments of 0.001 For Irated = 5 A 0.010 to 120.000
Pole = Zone inclination 0 to 45 Increments of 1Direction determination for polygon:For all fault types With actual short-circuit, buffered or cross-polarized
voltagesDirectional sensitivity Dynamically unlimited, stationary about 1 VEvery zone can be configured as forward, backward or non-directional.Setting ranges for MHO characteristic:Zr impedance range For Irated = 1 A 0.050 to 600.000 Increments of 0.001
For Irated = 5 A 0.010 to 120,00 Polarization With buffered or cross-polarized voltagesEvery zone can be configured as forward or backward.Load cutout (for impedance pickup):Rload = Minimum load resist-ance
For Irated = 1 A 0.050 to 600.000 Increments of 0.001 For Irated = 5 A 0.010 to 120.000
load = Maximum load angle 20.0 to 60.0 Increments of 0.1Dropout ratios- Currents About 0.95- Impedances About 1.05Measured-value correction For earth current coupling in parallel linesMeasurement tolerances for sinusoidal values
Times
Shortest operate time Approx. 17 ms (50 Hz)/15 ms (60 Hz) with fast relays andApprox. 12 ms (50 Hz)/10 ms (60 Hz) with high-speed relays
Dropout time Approx. 30 msIncremental times 0.00 s to 60.00 s; for all zones Increments of 0.01 sTimer tolerance 1 % of the setting value or 10 msThe times set are pure delay times.
Technical Data11.9 Distance Protection
1092 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Power-Swing Blocking
General
Measuring principle Cyclic supervision of impedance curves formonotony, continuity, and jump
Detectable power swing frequency 0.1 Hz to 12 Hz for symmetrical operation,up to 7 Hz during 1-pole dead times and unbalancedfaults
Power-swing blocking Can be set separately for each distance-protectionzone
Times
Power swing detection time 2.5 power-system cyclesDropout time 5.5 power-system cycles in case of unbalanced
faults 5.5 power-system cycles in case of balanced faultsMax. 5 s after leaving the pickup range of thedistance protection
11.10
Technical Data11.10 Power-Swing Blocking
SIPROTEC 5, Transformer Differential Protection, Manual 1093C53000-G5040-C016-3, Release 10.2013
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External Trip Initiation
Setting Values
Tripping delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms- At initiation via binary input signal
Approx. 5 ms + OOT 32.
Tolerance
Sequence tolerance for delay times 1 % of the setting value or 10 ms
11.11
32OOT (Output Operating Time) additional delay of the output medium used, for example 5 ms with fast relays, see chapter 11.1.4 RelayOutputs
Technical Data11.11 External Trip Initiation
1094 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Definite Time-Overcurrent Protection, Phases
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value33 For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout ratio 0.90 to 0.99 Increments of 0.01Time delay 0.00 s to 60.00 s Increments of 0.01 sDropout delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms Approx. 25 ms + OOT 34 at 50 HzApprox. 22 ms + OOT at 60 Hz
Extension of the operate time during operation withtransformer inrush-current detection
Approx. 10 ms
Dropout Time Approx. 20 ms + OOT
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances10 Hz f < 0.9 frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Time delays 1 % of the setting value or 10 ms
Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
11.12
33If you have selected the method of measurement = RMS value, do not set the threshold value under 0.1 lrated,sec.34OOT (Output Operating Time) additional delay of the output medium used, for example 5 ms with fast relays
Technical Data11.12 Definite Time-Overcurrent Protection, Phases
SIPROTEC 5, Transformer Differential Protection, Manual 1095C53000-G5040-C016-3, Release 10.2013
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Inverse Time-Overcurrent Protection, Phases
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01
Operate Curves and Dropout-Time Characteristic Curves According to IEC
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
11.13
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
1096 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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[dwocpki1-080213-01.tif, 1, en_US]
Figure 11-4 Operate Curves and Dropout-Time Characteristic Curves According to IEC
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
SIPROTEC 5, Transformer Differential Protection, Manual 1097C53000-G5040-C016-3, Release 10.2013
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[dwocpki2-080213-01.tif, 1, en_US]
Figure 11-5 Operate Curves and Dropout-Time Characteristic Curves According to IEC
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
1098 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
[dwocpka1-080213-01.tif, 1, en_US]
Figure 11-6 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
SIPROTEC 5, Transformer Differential Protection, Manual 1099C53000-G5040-C016-3, Release 10.2013
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[dwocpka2-080213-01.tif, 1, en_US]
Figure 11-7 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
1100 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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[dwocpka3-080213-01.tif, 1, en_US]
Figure 11-8 Tripping Characteristic Curves and Dropout Characteristic Curves According to ANSI/IEEE
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
SIPROTEC 5, Transformer Differential Protection, Manual 1101C53000-G5040-C016-3, Release 10.2013
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[dwocpka4-080213-01.tif, 1, en_US]
Figure 11-9 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances10 Hz f < 0.9 frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Operate time for 2 I/threshold value I 20 5 % of setting value or +2 % current tolerance or30 ms
Dropout time for I/threshold value I 0.90 5 % of setting value or +2 % current tolerance or30 ms
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
1102 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
Technical Data11.13 Inverse Time-Overcurrent Protection, Phases
SIPROTEC 5, Transformer Differential Protection, Manual 1103C53000-G5040-C016-3, Release 10.2013
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Overcurrent Protection, Phases with User-Defined CharacteristicCurve
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01Number of value pairs for the operate curve 2 to 30 Increments of 1X values of the operate curve 1.00 to 66.67 p.u. Increments of 0.01 p.u.Y values of the operate curve 0.00 s to 999.00 s Increments of 0.01 sNumber of value pairs for the dropout characteristiccurve
2 to 30 Increments of 1
X values of the dropout characteristic curve 0.05 to 0.95 p. u. Increments of 0.01 p.u.Y values of the dropout characteristic curve 0.00 s to 999.00 s Increments of 0.01 s
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances10 Hz f < 0.9 frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Operate time for 2 I/I threshold value 20 5 % of setting value or +2 % current tolerance or30 ms
Dropout time for I/I threshold value 0.90 5 % of setting value or +2 % current tolerance or30 ms
Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
11.14
Technical Data11.14 Overcurrent Protection, Phases with User-Defined Characteristic Curve
1104 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Operate Curves and Dropout-Time Characteristic Curves according to IEC
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
Technical Data11.14 Overcurrent Protection, Phases with User-Defined Characteristic Curve
SIPROTEC 5, Transformer Differential Protection, Manual 1105C53000-G5040-C016-3, Release 10.2013
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Definite-Time Overcurrent Protection, Ground
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value35 For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Ratio 0.90 to 0.99 Increments of 0.01Time Delay 0.00 s to 60.00 s Increments of 0.01 sDropout delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms Approx. 25 ms + OOT36 at 50 HzApprox. 22 ms + OOT at 60 Hz
Extension of the operate time during operation withtransformer inrush-current detection
Approx. 10 ms
Dropout Time Approx. 20 ms + OOT
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances10 Hz f < 0.9 frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
3I0 measured via I437, method of measurement =fundamental component
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
3I0 measured via I438, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Time delays 1 % of the setting value or 10 ms
Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
11.15
35If you have selected the method of measurement = RMS value, do not set the threshold value under 0.1 lrated,sec.36OOT (Output Operating Time) additional delay of the output medium used, see Chapter 11.1.4 Relay Outputs37Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 238Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 2
Technical Data11.15 Definite-Time Overcurrent Protection, Ground
1106 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Inverse-Time Overcurrent Protection, Ground
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value39 For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01
Operate Curves and Dropout-Time Characteristic Curves According to IEC
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
11.16
39If you have selected the method of measurement = RMS value, do not set the threshold value under 0.1 lrated,sec.
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
SIPROTEC 5, Transformer Differential Protection, Manual 1107C53000-G5040-C016-3, Release 10.2013
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[dwocpki1-080213-01.tif, 1, en_US]
Figure 11-10 Operate Curves and Dropout-Time Characteristic Curves According to IEC
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
1108 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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[dwocpki2-080213-01.tif, 1, en_US]
Figure 11-11 Operate Curves and Dropout-Time Characteristic Curves According to IEC
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
SIPROTEC 5, Transformer Differential Protection, Manual 1109C53000-G5040-C016-3, Release 10.2013
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Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
[dwocpka1-080213-01.tif, 1, en_US]
Figure 11-12 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
1110 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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[dwocpka2-080213-01.tif, 1, en_US]
Figure 11-13 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
SIPROTEC 5, Transformer Differential Protection, Manual 1111C53000-G5040-C016-3, Release 10.2013
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[dwocpka3-080213-01.tif, 1, en_US]
Figure 11-14 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
1112 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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[dwocpka4-080213-01.tif, 1, en_US]
Figure 11-15 Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances10 Hz f < 0.9 frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
3I0 measured via I440, method of measurement =fundamental component
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
3I0 measured via I441, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Operate time for 2 I/threshold value I 20 5 % of setting value or +2 % current tolerance or30 ms
Dropout time for 2 I/threshold value I 0.90 5 % of setting value or +2 % current tolerance or30 ms
40Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 241Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 2
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
SIPROTEC 5, Transformer Differential Protection, Manual 1113C53000-G5040-C016-3, Release 10.2013
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Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
Technical Data11.16 Inverse-Time Overcurrent Protection, Ground
1114 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Overcurrent Protection, Ground with User-Defined CharacteristicCurve
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01Number of value pairs for the operate curve 2 to 30 Increments of 1X values of the operate curve 1.00 to 66.67 p.u. Increments of 0.01 p.u.Y values of the operate curve 0.00 s to 999.00 s Increments of 0.01 sNumber of value pairs for the dropout characteristiccurve
2 to 30 Increments of 1
X values of the dropout characteristic curve 0.05 to 0.95 p. u. Increments of 0.01 p.u.Y values of the dropout characteristic curve 0.00 s to 999.00 s Increments of 0.01 s
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances10 Hz f < 0.9 frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
3I0 measured via I442, method of measurement =fundamental component
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
3I0 measured via I443, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Operate time for 2 I/I threshold value 20 5 % of setting value or +2 % current tolerance or30 ms
Dropout time for I/I threshold value 0.90 5 % of setting value or +2 % current tolerance or30 ms
11.17
42Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 243Insignificantly increased tolerances will occur during the calculation of 3I0, maximum factor of 2
Technical Data11.17 Overcurrent Protection, Ground with User-Defined Characteristic Curve
SIPROTEC 5, Transformer Differential Protection, Manual 1115C53000-G5040-C016-3, Release 10.2013
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Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
Operate Curves and Dropout-Time Characteristic Curves According to IEC
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
Technical Data11.17 Overcurrent Protection, Ground with User-Defined Characteristic Curve
1116 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Overcurrent Protection, 1-Phase (Stage Description DefiniteTime-Overcurrent Protection)
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value44 For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout ratio (fixed) 0.95 Time delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms With standard filter:Approx. 15 ms + OOT45 at 50 HzApprox. 14 ms + OOT at 60 Hz
Extension of the operate time during operation withtransformer inrush-current detection
Approx. 10 ms
Dropout time With standard filter:Approx. 20 ms + OOT at 50 HzApprox. 17 ms + OOT at 60 Hz
Frequency Operating Range
0.9 f/frated to 1.1 f/frated According to specified tolerances
10 Hz to 0.9 f/frated1.1 f/frated to 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Time delays 1 % of the setting value or 10 ms
11.18
44If you have selected the method of measurement = RMS value, do not set the threshold value under 0.1 lrated,sec.45OOT (Output Operating Time) additional delay of the output medium used, see Chapter 11.1.4 Relay Outputs
Technical Data11.18 Overcurrent Protection, 1-Phase (Stage Description Definite Time-Overcurrent Protection)
SIPROTEC 5, Transformer Differential Protection, Manual 1117C53000-G5040-C016-3, Release 10.2013
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Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
Technical Data11.18 Overcurrent Protection, 1-Phase (Stage Description Definite Time-Overcurrent Protection)
1118 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Overcurrent Protection, 1-Phase (Stage Description Inverse Time-Overcurrent Protection)
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value46 For Irated = 1 A 0.030 A to 100.000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01
Operate Curves and Dropout-Time Characteristic Curves According to IEC
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
The tripping characteristic curves and dropout characteristic curves according to IEC can be found in theTechnical Data chapter under Inverse Time-Overcurrent Protection.
Operate Curves and Dropout-Time Characteristic Curves According to ANSI/IEEE
The tripping characteristic curves and dropout characteristic curves according to ANSI/IEEE can be found inthe Technical Data chapter under Inverse Time-Overcurrent Protection.
Frequency Operating Range
0.9 f/frated to 1.1 f/frated According to specified tolerances
10 Hz to 0.9 f/frated1.1 f/frated to 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Operate time for 2 I/I threshold value 20 5 % of setting value or +2 % current tolerance or30 ms
Dropout time for I/I threshold value 0.90 5 % of setting value or +2 % current tolerance or30 ms
11.19
46If you have selected the method of measurement = RMS value, do not set the threshold value under 0.1 lrated,sec.
Technical Data11.19 Overcurrent Protection, 1-Phase (Stage Description Inverse Time-Overcurrent Protection)
SIPROTEC 5, Transformer Differential Protection, Manual 1119C53000-G5040-C016-3, Release 10.2013
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Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
Technical Data11.19 Overcurrent Protection, 1-Phase (Stage Description Inverse Time-Overcurrent Protection)
1120 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Overcurrent Protection, 1-Phase with User-Defined CharacteristicCurve
Setting Values
Method of measurement Fundamental componentRMS value
Threshold value For Irated = 1 A 0.030 A to 100.000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01Number of value pairs for the operate curve 2 to 30 Increments of 1X values of the operate curve 1.00 to 66.67 p. u. Increments of 0.01 p. u.Y values of the operate curve 0.00 s to 999.00 s Increments of 0.01 sNumber of value pairs for the dropout characteristiccurve
2 to 30 Increments of 1
X values of the dropout characteristic curve 0.05 to 0.95 p. u. Increments of 0.01 p. u.Y values of the dropout characteristic curve 0.00 s to 999.00 s Increments of 0.01 s
Frequency Operating Range
0.9 f/frated to 1.1 f/frated According to specified tolerances
10 Hz to 0.9 f/frated1.1 f/frated to 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active with less sensitivity
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Operate time for 2 I/I threshold value 20 5 % of setting value or +2 % current tolerance or30 ms
Dropout time for I/I threshold value 0.90 5 % of setting value or +2 % current tolerance or30 ms
Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
11.20
Technical Data11.20 Overcurrent Protection, 1-Phase with User-Defined Characteristic Curve
SIPROTEC 5, Transformer Differential Protection, Manual 1121C53000-G5040-C016-3, Release 10.2013
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Operate Curves and Dropout-Time Characteristic Curves According to IEC
Extension of the operate time during operation with transformer inrush-current detection
Approx. 10 ms
Technical Data11.20 Overcurrent Protection, 1-Phase with User-Defined Characteristic Curve
1122 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Overcurrent Protection, 1-Phase (Fast Stage)
Setting Values
Threshold value For Irated = 1 A 0.030 A to 100.000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Dropout ratio (fixed) 0.90 to 0.99 Increments of 0.01Time delay 0.00 s to 60.00 s Increments of 0.01 s
Times
Operate time with time delay = 0 ms With standard filter:Approx. 8 ms + OOT47
Dropout time Approx. 25 ms + OOT
Frequency Operating Range
0.9 f/frated to 1.1 f/frated According to specified tolerances
10 Hz to 0.9 f/frated1.1 f/frated to 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Pickup tolerance, current 5 % of setting value or 10 mA (Irated = 1 A)
or 50 mA (Irated = 5 A)
Time delays 1 % of the setting value or 10 ms
11.21
47OOT (Output Operating Time) additional time delay of the output medium used, for example, 5 ms with fast relay
Technical Data11.21 Overcurrent Protection, 1-Phase (Fast Stage)
SIPROTEC 5, Transformer Differential Protection, Manual 1123C53000-G5040-C016-3, Release 10.2013
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Directional Time-Oovercurrent Protection, Phases
Setting Values for the Function
Rotation angle of the referencevoltage
-180o to +180o Increments of 1o
Setting Values for All Stage Types
Directional mode ForwardBackward
Method of measurement Fundamental componentRMS value
Threshold value48 For Irated = 1 A 0.030 A to 100 000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
Setting Values for the Definite Time-Overcurrent Protection Stage Type
Dropout Ratio 0.90 to 0.99 Increments of 0.01Time Delay 0.00 s to 60.00 s Increments of 0.01 sDropout delay 0.00 s to 60.00 s Increments of 0.01 s
Setting Values for the IEC/ANSI Characteristic Curve Stage Type (Inverse-Time)
Type of characteristic curve Characteristic curves according to IEC (see Table 11-1) andANSI (see Table 11-2)
Dropout Disk emulationInstantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01
Setting Values for Stage Type with User-Defined Characteristic Curve (Inverse Time)
Time multiplier 0.05 to 15.00 Increments of 0.01X values of the operate curve 1.00 to 66.67 p.u. Increments of 0.01 p. u.Y values of the operate curve 0.00 s to 999.00 s Increments of 0.01 sNumber of value pairs for the dropoutcharacteristic curve
2 to 30 Increments of 1
X values of the dropout characteristiccurve
0.05 to 0.95 p. u. Increments of 0.01 p. u.
Y values of the dropout characteristiccurve
0.00 s to 999.00 s Increments of 0.01 s
Tripping and Dropout Characteristic Curves
You can select from the following tripping and dropout characteristic curves:
Table 11-1 Standard characteristic curves to IEC
Normal inverse: type A See Section 11.13 Inverse Time-Overcurrent Protec-tion, Phases , Figure 11-4Very inverse: type B
Extremely inverse: type C See Section 11.13 Inverse Time-Overcurrent Protec-tion, Phases , Figure 11-5Long time inverse:
11.22
48If you have selected the method of measurement = RMS value, do not set the threshold value under 0.1 lrated,sec.
Technical Data11.22 Directional Time-Oovercurrent Protection, Phases
1124 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Table 11-2 Standard Characteristic Curves to ANSI/IEEE
Extremely inverse: type C See Section 11.13 Inverse Time-Overcurrent Protec-tion, Phases , Figure 11-6Long time inverse: type B
Long-term inverse See Section 11.13 Inverse Time-Overcurrent Protec-tion, Phases , Figure 11-7Moderately inverse
Very inverse See Section 11.13 Inverse Time-Overcurrent Protec-tion, Phases , Figure 11-8Extremely inverse
Uniformly inverse See Section 11.13 Inverse Time-Overcurrent Protec-tion, Phases , Figure 11-9
Direction Determination
Type With externally generated voltagesWith voltage memory 2 s
Forward range Vref,rot 88o
Dropout differential forward/reverse range 1o
Directional sensitivity Unlimited for 1 and 2-phase short circuitsDynamically unlimited, stationary for 3-phase shortcircuitsApprox. 13 V phase-to-phase
Times
Operate time with time delay = 0 ms Approx. 25 ms + OOT 49 at 50 HzApprox. 22 ms + OOT at 60-Hz
Extension of the operate time during operation withtransformer inrush-current detection
Approx. 10 ms
Dropout time Approx. 20 ms + OOT
Frequency Operating Range
0.9 f/frated 1,1 According to specified tolerances10 Hz f < 0.9frated1.1 frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Currents, method of measurement = RMS value(33 % portion harmonic, referring to fundamental component)Up to 30th harmonic 1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz 3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
49OOT (Output Operating Time) additional delay of the output medium used, for example 5 ms with fast relays
Technical Data11.22 Directional Time-Oovercurrent Protection, Phases
SIPROTEC 5, Transformer Differential Protection, Manual 1125C53000-G5040-C016-3, Release 10.2013
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Up to 50th harmonic, frated = 60 Hz 4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Definite-time operate time 1 % of the setting value or 10 msInverse-time operate time according to IEC, ANSI,user-defined characteristic curve
5 % of setting value or +2 % current tolerance or10 ms
Inverse-time dropout time according to IEC, ANSI,user-defined characteristic curve
5 % of setting value or +2 % current tolerance or10 ms
Direction-determination angle error 1o
Influencing Variables for the Thresholds
Transient excess pickup in method of measurement = fundamental component,for > 100 ms (with complete unbalance)
< 5 %
Technical Data11.22 Directional Time-Oovercurrent Protection, Phases
1126 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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Directional Time-Overcurrent Protection, Ground
Setting Values for the Function Direction Determination
Method for direction determination Zero sequenceNegative sequence
Minimum V0 or V2 threshold 0.150 V to 20.000 V 0.001 VRotation angle of the reference voltage -180 to 180 1Forward range 0 to 180 1
Setting Values for All Stage Types
Direction mode ForwardReverse
Method of measurement Fundamental componentRMS value
Threshold value For Irated = 1 A 0.030 A to 100.000 A Increments of 0.001 A
For Irated = 5 A 0.15 A to 500.00 A Increments of 0.01 A
For sensitive input 0.001 A to 1.600 A Increments of 0.001 A
Setting Values for Stage Type Definite Time-Overcurrent Protection
Dropout ratio 0.90 to 0.99 Increments of 0.01Operate delay 0.00 s to 60.00 s Increments of 0.01 sDropout delay 0.00 s to 60.00 s Increments of 0.01 s
Setting Values for Stage Type Inverse Time-Overcurrent Protection (IEC/ANSI)
Type of characteristic curve Characteristic curves according to IEC and ANSIDropout Disk emulation
Instantaneous
Time multiplier 0.05 to 15.00 Increments of 0.01
Characteristic Curves for Stage Type Inverse Time-Overcurrent Protection (IEC/ANSI)
Standard Characteristic Curves According to IEC
Normal inverse: type A Refer to the respective picture of the technical data for the non-dir-OC-ground function 11.16 Inverse-Time Overcurrent Protec-tion, Ground
Very inverse: type BExtremely inverse: type CLong-time inverse
Standard Characteristic Curves According to ANSI/IEEE
Extremely inverse: type C Refer to the respective picture of the technical data for the non-dir-OC-ground function 11.16 Inverse-Time Overcurrent Protec-tion, Ground
Long-time inverse: type BLong-time inverseModerately inverseVery inverseExtremely inverseUniformly inverse
11.23
Technical Data11.23 Directional Time-Overcurrent Protection, Ground
SIPROTEC 5, Transformer Differential Protection, Manual 1127C53000-G5040-C016-3, Release 10.2013
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Setting Values for Stage Types Logarithmic InverseTime-Overcurrent Protection
Characteristic curve: see Figure 11-16Threshold value multiplier 1.00 to 4.00 Increments of 0.01Time multiplier 0.05 to 15.00 Increments of 0.01Minimum time of the characteristic curve 0.000 s to 60.000 s Increments of 0.001 sMaximum time of the characteristic curve 0.000 s to 60.000 s Increments of 0.001 sAdditional time delay 0.000 s to 60.000 s Increments of 0.001 s
[dwloginv-300913, 1, en_US]
Figure 11-16 Operate Curve of Logarithmic Inverse-Time Characteristic
Setting Values for Stage Type Logarithmic Inverse Time with Knee-Point Overcurrent Protection
Characteristic curve: see Figure 11-17Minimum time of the characteristic curve 0.00 s to 30.00 s Increments of 0.01 sKnee-point time of the curve 0.00 s to 100.00 s Increments of 0.01 sMaximum time of the characteristic curve 0.00 s to 200.00 s Increments of 0.01 sKnee-point value 0.030 A to 25.000 A 0.001 ACurrent at minimum time of the curve 0.030 A to 25.000 A 0.001 ATime factor 0.05 to 15.00 Increments of 0.01
Technical Data11.23 Directional Time-Overcurrent Protection, Ground
1128 SIPROTEC 5, Transformer Differential Protection, ManualC53000-G5040-C016-3, Release 10.2013
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[dwdrloinkn-171013, 1, en_US]
Figure 11-17 Operate Curve of the Logarithmic Inverse Time with Knee-Point Characteristic (In theExample of Threshold = 0.004 A)
Setting Values for Stage Type User-Defined Characteristic Curve Overcurrent Protection
Time multiplier 0.05 to 15.00 Increments of 0.01X values of the operate curve 1.00 p. u. to 66.67 p. u. Increments of 0.01 p. u.Y values of the operate curve 0.00 s to 999.00 s Increments of 0.01 sNumber of value pairs for the dropoutcharacteristic curve
2 to 30 Increments of 1
X values of the dropout characteristiccurve
0.05 p. u. to 0.95 p. u. Increments of 0.01 p. u.
Y values of the dropout characteristiccurve
0.00 s to 999.00 s Increments of 0.01 s
Times
The maximum pickup time with operatedelay = 0 ms
Approx. 35 ms + OOT at 50 HzApprox. 32 ms + OOT at 60 Hz
Extension of the operate time during oper-ation with inrush-current detection
Approx. 10 ms
Dropout time Approx. 20 ms + OOT
Frequency Operating Range
0.9 f/frated 1.1 According to specified tolerances
Technical Data11.23 Directional Time-Overcurrent Protection, Ground
SIPROTEC 5, Transformer Differential Protection, Manual 1129C53000-G5040-C016-3, Release 10.2013
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10 Hz f < 0.9frated1.1frated < f 80 Hz
Slightly expanded tolerances
f < 10 Hzf > 80 Hz
Active with reduced sensitivity
Tolerances
Currents, method of measurement = fundamentalcomponent
1 % of setting value or 5 mA (Irated = 1 A) or 25 mA(Irated = 5 A)
Currents, method of measurement = RMS value(33 % part of harmonic, referring to fundamental compo-nent)
Up to 30th harmonic1 % of setting value or 5 mA (Irated = 1 A)
or 25 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 50 Hz
3 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Up to 50th harmonic, frated = 60 Hz
4 % of setting value or 20 mA (Irated = 1 A)
or 100 mA (Irated = 5 A), (frated 10 %)
Definite-time operate time 1 % of the setting or 10 msInverse-time operate time to IEC, ANSI, l