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Medium Voltage Soft StartersMedium Voltage Soft Starters

3,3 KV3,3 KV -- 4,16 KV4,16 KV -- 5,5 KV5,5 KV6,6 KV6,6 KV -- 11 KV11 KV

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HighlightsHighlights

. Designed to start induction motors in any fixed speedapplication

. Ensures smooth, step less control of acceleration.

. Designed to eliminate mechanical shocks and toreduce

inrush current to protect both motor and load.

. Designed for safety and power quality immunitywith high level insulation circuit via optical fibers.

NEW NIDEC ASI digital soft starters STAT:

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Identification CodeSTAT X X X X X X X X X X X X X

Productseries

Current Design Supply voltage Motor protectionrelay option

Soft starter cabinet option Line cabinetoption 1

Line cabinetoption 2

ProfibusCommunication

Option

080 = 80 A

160 = 160A

260 = 260A

350 = 350A450 = 450A

600 = 600A

(1)

S =standard

M = marine

3K3 = 3300VAC

4K16 = 4160VAC

5K5 = 5500VAC

6K6 = 6600VAC

11K0 =11000VAC

(1)

A = not included

B = included0 = no bypass contactor

(2)

1 = bypass contactor (3)

0 = no linecontactor

1 = line contactor

0 = none

1 = MV fuses kit(4)

2 = MV switch +groundswitch

3 = MV switch +groundswitch +MV fuseskit

0 = no Profibusboard

P = Profibus board

(1) Other range consult factory(2) incoming and outgoing lines inside soft starter cabinet ( no line cabinet if no option 1 andno option 2 )(3) incoming and outgoing lines inside line cabinet ( line cabinet even if no option 1 and nooption 2)(4) available only for soft starter protection and not motor protection in case of bypasscontactor not integrated

For other options ask to the factory

Example : STAT350M6K6A113Soft starter 350 A, marine design, 6600VAC, motor protection relay not included, bypasscontactor included, line contactor included, MV switch + ground switch + MV fuses kitincluded ( soft starter cabinet + line cabinet with options 1 and 2 )

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Power Ratings

Voltage Output ratings (KW)

80 A 160 A 260 A 350 A 450 A 600 A

3300 V 400 710 1250 1600 2000 2800

4160 V 500 900 1600 2000 2800 3550

5500 V 630 1250 2000 2800 3550 4500

6600 V 710 1600 2500 3150 4500 5600

11000 V 1250 2500 4000 5600 7100 9000

3,3 KV – 4,16 KV – 5,5 KV – 6,6 KV – 11 KV

*

= continuous current*

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Voltage

(V)

SOFT STARTER CABINET

(Standard)

LINE CABINET(With optionalcomponents)

H (mm)W

(mm) D (mm) H (mm)W

(mm)D

(mm)

3300 V 2340 800 1000 2340 800 1000

4160 V 2340 800 1000 2340 800 1000

5500 V 2340 800 1200 2340 800 1200

6600 V 2340 800 1200 2340 800 1200

11000 V 2340 800 1400 2340 800 1400

3,3 KV – 4,16 KV – 5,5 KV – 6,6 KV – 11 KV

Size And Configurations

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BYPASSCONTACTOR

S OFT STARTERM ODULES

LINE CON TACTOR

HV FUSES KIT H V SW ITCH +G ROU NDS W ITCH

HV SW ITCH +GRO UNDSW ITCH + HVFUSES KIT

INCO M ING

Soft StarterCabinet option

Standard Soft Starter

L ine Cabinetoption 1

L ine Cabinetoption 2

One Line Diagram

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MV FUSESMV FUSES

MOTOR ANDMOTOR ANDLINELINE

TERMINALSTERMINALS

BYBY--PASSPASSCONTACTORCONTACTOR

POWERPOWERMODULESMODULES

EXAMPLE :EXAMPLE :STAT250M6K6A101STAT250M6K6A101

Technical Key Points

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THYRISTORTHYRISTORINTERFACEINTERFACEFIRINGFIRINGBOARDBOARD

OPTICALOPTICALFIRINGFIRINGBOARDBOARD

PULSEPULSETRANSFORMETRANSFORME

RR

HEAT SINKHEAT SINK

STANDARDSTANDARDSOFTSTARTESOFTSTARTE

R CABINETR CABINET

POWER MODULE n THYRISTORSPOWER MODULE n THYRISTORS/ PHASE/ PHASE

SNUBBERSNUBBERBOARDBOARD

Technical Key Points

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Motor and Soft starter Protections:. Line loss protection. External protection ( remote stop,… ). Over current. Watchdog protection. Stall protection

Programmable configuration :. Soft starter main data. Analog / digital inputs and outputs. Current limit and regulation. Protections and alarms. Monitoring

Technical Data

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Communication : Profibus as option board

. Input voltage tolerance ± 10%

. Frequency 50/60 Hz ± 5%

. Control signals fiber-optically isolated from HV signals

. Remote control with dedicated digital inputs (24Vdc and 230Vac).

. Remote monitoring with dedicated digital outputs (dry contacts).

. Current limit: adjust. 100 – 3/400 % In ( ask to the factory )

. Ramp-up time: adjust. 1- 30 sec.

. Numbers of starts : 2/3 per hour at maximum conditionsaccording to the motor data

. Standard design ambient temperature : 0 to 40°C

. Degree of cabinet protection: IP32

. Cabinet color : RAL7035

. Cable entry : bottom – front side (other consult factory)

Technical Data

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. Design ambient temperature : 45°C

. Tropicalized boards

. Tin copper bus bars

. Voltage tolerance: +6/-10% permanentand +/-20% transient (1,5s)

. Frequency tolerance: +/-5% permanent and +/-10% transient (5s)

. Main electrical components type approvedby marine registers (ABS, Lloyd’s, Rina, DNV…)

. Vibration and inclination testing

. Power supply variation testing

Marine Option: Technical Data

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Maintenance :. Lifting eyebolts and handling truck. Door locking and padlocking facilities. Soft starter isolation capability by hand-removable bus bars(configuration with internal or external bypass contactor)

. Full voltage Direct On Line option(in case of soft starter failure, motor can be startedin direct on line mode bypassing soft starter)

Maintenance: Technical Data

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Low Voltage Compartment

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Standard:Standard:

1. Buttons:

• Emergency Stop. ( 1 )

• Lamp Test. ( 2 )

• Reset Fault. ( 3 )

2. Signal lights :

• Soft Starter Bypassed (green) - ( 4 )

• General fault (red) – ( 5 )

• Auxiliary voltage alive (white) – ( 6 )

• Bus Bar Alive Upstream MVCB – ( 7 )

Options:Options:

1. Buttons:

• “Direct On Line” Selector – ( 8 )

• Others in accordance with line cabinet options1 & 2.

2. Signal lights:

• “Direct On Line” Mode – ( 9 )

• Others in accordance with line cabinet options1 & 2.

1

2

3

9

456

7

86

Low Voltage Compartment

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Dialog Interface

LED 7LED 7SegmentsSegments

Key to selectKey to selectgroups orgroups or

functions, or tofunctions, or toselect / changeselect / change

parametersparameters

LCD ScreenLCD Screen

2 lines2 lines

Key to confirmKey to confirmor to reach theor to reach themenu of downmenu of down

levellevel

Key to reachKey to reachthe menu of upthe menu of up

levellevel

Local monitoring :. Metering. Parameters setting. Fault display. Hardware status monitoring

Low Voltage Compartment

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Marine Certification :

Since June 2007 we are ABS certified

CE, IEC compliant

Standards

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First References :

2006 : Geostock (France) : 9 Soft starters 5,5 KV delivered end of 2006 year for OIL Pumping2007: ELSAG (Italy) : 3 x Soft starters 6,6 KV for marine application (Water injection pumps)2007: SAIPEM (Italy) : 2 x Soft starters 11 KV for marine application (Thruster for pipe layer vessel)2008 : DANIELI AUTOMATION (Italy) : 3 x Soft Starters 10kV for Melt shop Plant2009 : SCHNEIDER ELECTRIC (France) : 1 x Soft Starter 3,3kV2009: SAIPEM (Italy) : 1 x Soft starter 11 KV for marine application (Thruster for pipe layer vessel)2010: IPLOM (Italy) 2 x Soft starters 6.6 KV for compressor for OIL Pumping2010: FLOWSERVE (TOBRUK - Libya) 2 x Soft starters 3.3 KV for compressor for OIL Pumping2011 : SCHNEIDER ELECTRIC (France) : 2 x Soft Starters 5,5kV2012 : Engineering Steel Belgium (Belgium) : 2 x Soft Starters 6,6kV2012 : DRESSER RAND (APACHE – Australia) : 2 x Soft Starters 6,6kV2012 : INGERSOLL RAND (TASNEE - Saoudi Arabia) : 1 x Soft Starter 4,16kV

References

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