Download - DG Spec Final Approval
EQUIPMENT DESIGN
ENGINEERS
CLIENT : RELIANCE INDUSTRIES LTD.DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
PROJECT : IDC & UTILTIY BLCOK SHEET NO. 1 OF 46
TECHNICAL SPECIFICATIONS
FOR
DIESEL GENERATING SETS
FOR BID ENQUIRY
REVISION NO. A R0 R1
ISSUED FOR REVIEW/
APPROVAL
ISSEUED FOR
ENQUIRY
REVISED AS PER
RIL COMMENTS
PREPD.BY/DATE ET : 30/08/07 ET: 11/09/07 ET: 18/09/07
CHKD. BY/DATE PSL : 30/08/07 PSL : 12/09/07 PSL : 19/09/07
APPD. BY/ DATE
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 2 OF 46
I. DIESEL GENERATING SETS: SCOPE.......................................................................................................... 3
II. APPROVAL FROM STATUTORY AUTHORITIES......................................................................................4
III. EXCLUSIONS.................................................................................................................................................... 4
IV. DESIGN.............................................................................................................................................................. 4
V. CODES & STANDARDS................................................................................................................................... 5
VI. GENERAL......................................................................................................................................................... 6
VII. OPERATING CONDITIONS............................................................................................................................ 6
VIII. TECHNICAL PARTICULARS AND DATA SHEETS....................................................................................7
IX. PERFORMANCE REQUIREMENT................................................................................................................ 8
X. ALTERNATOR................................................................................................................................................. 9
XI. GENERATOR CONTROL PANEL................................................................................................................ 14
XII. 11KV SWITCHGEAR FOR DG OUTPUT CONTROL................................................................................19
XIII. DIESEL ENGINE............................................................................................................................................ 23
XIV. INDUCTION MOTORS FOR AUXILIARY DRIVES...................................................................................28
XV. PLC SYSTEM FOR DG.................................................................................................................................. 29
XVI. TESTS............................................................................................................................................................... 34
XVII. MAINTENANCE TOOL AND TACKLES.....................................................................................................36
XVIII. SPARES............................................................................................................................................................ 36
XIX. DRAWINGS AND DOCUMENTS SCHEDULE...............................................................................................37
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 3 OF 46
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 4 OF 46
I. DIESEL GENERATING SETS: SCOPE
This specification covers the technical requirements of design, manufacture, inspection and testing at
manufacturer's works, delivery to site, supervision of erection, testing and commissioning of Four (4) nos.
diesel generator sets having generation voltage of 11kV, rated output of 3750KVA (continuous), 1500 rpm
comprising the following:
1. DG set complete with all ancillary equipment, accessories, instruments and associated controls.
2. Fuel oil system complete with 990 L. day tank, feed pump, priming pump, necessary piping,
valves, filters and strainers, instruments, accessories, etc.
3. Lubricating oil (L.O.) system complete with L.O. sump, L.O. Pump, necessary piping, valves and
fittings, filters and strainers, L.O. heat exchanger, instruments, accessories etc.
4. Compressed air assisted starting system with all accessories like compressor, compressed air
bottle, necessary piping, valves etc., electrical starter for the compressor, interconnecting LV
power and control cables to make the system self-sufficient. In case the Supplier’s standard
design provides for battery starting, he may offer complete system related to battery starting.
5. Air intake and exhaust system, complete with filters, silencers, ducts, pipe fittings & accessories
and supporting arrangement for exhaust system. The silencer shall be “residential” type.
6. Directly coupled A.C. machine (generator) with terminal box, rotating diode type brush-less exciter,
automatic voltage regulator, alarm initiating devices and other accessories.
7. Independent control panel with controls and instruments for each engine & alternator complete
with AMF facility for starting of the engine and with necessary controls, interlocks, protections,
metering and indications as per functional requirement of AMF feature. 11 KV VCB panel to be
installed local to the gensets, complete with all controls shall also be included under this facility.
8. Motors for auxiliary drives.
9. Automatic and Manual synchronizing equipment for 4 DG sets.
10. Anti-vibration pads for mounting of the DG set.
11. PLC control system with SCADA function for remote operation of the DG system with facilities for
event logging, trending, mimics alarm etc.
12. LT power cables and control & signaling cables for DG installation along with the cable schedule
for the same.
13. Supply of consumables/spares for testing and commissioning of the DG sets at site.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 5 OF 46
II. APPROVAL FROM STATUTORY AUTHORITIES.
The Bidder shall be responsible to obtain the approval of the Electrical Inspectorate or any other required
statutory authorities including approval from the Maharashtra Pollution Board and No Objection Certificate
from M.S.E.B. for the design, supply, installation, testing and commissioning of the equipment under his scope.
Necessary official fees and charges will be reimbursed by the Purchaser on production of the receipt. All the
required drawings, documents for the above purpose shall be prepared and supplied by the Supplier.
III. EXCLUSIONS
Equipments & services excluded from scope of this specification.
All Civil works
11kV Cables
Main Bulk storage tank for diesel
Chimney and supporting structure
Cooling Tower with associated cooling water circulation pumps
However design inputs for chimney, supporting structure and cooling tower to be provided by the vendor.
IV. DESIGN
The design and workmanship shall be in accordance with the best engineering practices, to ensure satisfactory
performance and service life. The equipment offered by the Supplier shall be complete in all respects. Any
materials or accessories, which may not have been specifically mentioned, but which are usual and necessary
for the satisfactory and trouble free operation and maintenance of the equipment, shall be provided without any
extra cost to the purchaser.
V. SPARES
Sufficient spares for the DG Sets , shall be provided by the Bidder for maintenance of the DG Set for at least
2Years after successful commissioning , separate Quotation shall be provided for the same.
Annual maintenance contract of the DG Set from the successful Bidder shall be negotiated separately.
All Commissioning SPARES are tobe listed for FREE supply by the Bidder.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 6 OF 46
V. CODES & STANDARDS
The design, construction, manufacture, inspection, testing and performance shall comply with all the currently
applicable statutes, safety codes, latest editions of relevant Indian Standards (IS), British Standards (BS),
International Electro Technical Commission (IEC) publication, NEMA and VDE Standards.
Some of the applicable Standards are given below:
IS 1601 - Performance & testing of IC engines for general purposeBS-5514 - Performance & testing of diesel Part 3-5 engines for general purposesIS-1600 - Type testing of constant speed internal combustion engines for general purposesIS-1460 - Specification for diesel fuelsIS-4729 - Measurement and evaluation of vibration of rotating electrical machinesIS-78 - Guide for testing insulation resistance of rotating machinesIS-2516 - A.C. Circuit breakersIS-3427 - Metal enclosed switchgear IS-2705 - Current transformers IS-3156 - Voltage transformersIS-375 - Marking and arrangement for switchgear bus barsIS-5422 - Turbine type generatorsIS-4722 - Rotating electrical machinesIS-1885 - Electro technical vocabulary Part XXXVIS-4729 - Measurement and evaluation of rotating electrical machinesIS-4728 - Terminal markings for rotating electrical machineryIS-2208 - HRC cartridge fuse links up to 650VIS-1248 - Electrical indicating instrumentsIS-3231 - Electrical relays for power system protectionIS-5082 - Aluminium busbarsIS-3072 - Installation and maintenance of switchgearIS-6875 - Control SwitchesIS-2551 - Danger notice platesIS-2253 - Designations for types of construction & mounting arrangement of rotating
electrical machines IS-6362 - Designation of methods of cooling for rotating electrical IS-4889 - Method of determination of efficiency of rotating electrical machineryIS-4691 - Degrees of protection provided by enclosures for rotating electrical machinery AIEE-60 - Recommended specification for speed governing of internal combustion engine
generator units IEC-34 - Rotating Machines
The DG set shall also conform to the provisions of latest Indian Electricity Act, Indian Electricity Rules and
Regulations of Statutory Authorities (Chief Electrical Inspector to the Government) and the norms set by the
Pollution Control Board.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 7 OF 46
The equipment conforming to any other national standards, which ensure equivalent quality, are acceptable.
In such cases, the Bidder shall clearly indicate the standard adopted, and furnish a copy of the English
translation of the standard along with the tender. Should there be any dispute on design standard; the most
stringent one shall be adopted.
VI. GENERAL
The diesel generating set shall be indoor type AMF operated and shall comprise of diesel engine,
coupled to a suitable alternator, having brush-less excitation system complete with all accessories.
All equipment shall be of the class most suitable for working under the specified conditions and shall
withstand the atmospheric conditions without deterioration and without affecting the performance
requirements.
Material of construction for interconnecting pipes, pipe fittings, exhaust duct, bolts and nuts shall be as
per relevant standards and suitable to withstand the temperature of the gas/liquid within the pipe. All
externally mounted hardware can be of cast iron.
Nameplates and labels provided for engine, alternator, control panel and Switchgear, accessories, etc.
shall be of stainless steel only.
VII. OPERATING CONDITIONS
D.G. sets are intended for supplying stand-by power as the most reliable source of supply, in the event
of failure of utility grid.
The electrical load for diesel generating system shall comprise HT (6.6 KV)/LT motors, lighting and
other miscellaneous loads fed through suitable step-down transformers.
The starting time of the set shall be kept to a minimum which has been specified in Annexure-I.
The DG sets shall be suitable for parallel operation among themselves. Parallel operation with utility
grid is not envisaged.
Momentary paralleling with grid at the time of restoration of power supply should be possible.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 8 OF 46
VIII. TECHNICAL PARTICULARS AND DATA SHEETS
Sr. Description Requirement Bidder’s Confirmation
1 Quantity 4 Nos.(as per delivery
schedule indicated
elsewhere)
2 Type of installation INDOOR
3 Rating (MVA) 3.75 (continuous)
4 Rated Output voltage (KV) 11
5 Site conditions
5.1Altitude Less than 1000 M. above
Mean Sea Level
Ambient Temperature
Maximum 40o C
Minimum 10o C
Design 45o C inside DG House
5.2Relative Humidity
5.3Maximum 95%
5.4Site Environment Polluted
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 9 OF 46
IX. PERFORMANCE REQUIREMENT
1 Type of output voltage Sinusoidal *
2 Nature of load 3 Nos. 6.6kV, 900KW chillers
fed through 11/6.6 KV
transformers and other LT load
with maximum motor rating of
110kW fed through 11/0.433 KV
transformers.
3 Time for Diesel engine to start and take up load
from Grid failure
Maximum 15 Seconds. *
4 Mode of operation Synchronized *
4.1In case of grid power failure Out of 4 sets, Engines of 3 pre
selected “duty” DG shall start on
AMF and take up the loads
within stipulated time.
4.2Isolated/ parallel mode
4.2.1 With grid supply The DG sets shall never be
operated in parallel with grid
supply except for momentary
paralleling for power restoration.
*
4.2.2 Isolated mode During initial stage of project
implementation, 1 no. DG set
may be required to run in
isolation to cater to the initial
load.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 10 OF 46
4.2.3 Parallel mode When the complete project is
implemented, the DG sets shall
be required to synchronize
among themselves and take up
the entire load proposed to be
connected to them.
4.2.4 Shut down of DG sets after restoration of grid
supply.
This shall not be automatic and
manual intervention for DG shut
down and re-transfer the bus to
grid supply will be required.
X. ALTERNATOR
Sr. Description Requirement Bidder’s
Confirmation
1 Rated voltage and frequency 3 phase, 11KV, 50Hz
2 Output rating 3750 KVA
3 Rated Power factor 0.8
4 Type of enclosure Industrial SPDP
5 Degree of protection IP23
6 Class of insulation / temperature rise Min. Class `F' with temp. rise
limited to class B
7 Type of cooling Air cooled
8 Generator neutral system earthing
recommendation
Solidly earthed. Bidder to clarify
whether neutral of all DG sets
can be directly earthed or
through an isolator for earthing
of individual DG set, one at a
time.
*
8.1Neutral isolation facility In case the bidder recommends
the earthing of neutral of one of
the four DG sets only, then the
bidder shall include isolator /
*
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 11 OF 46
Sr. Description Requirement Bidder’s
Confirmation
contactor, adequately rated for
each of the DG set in his scope
of supply.
9 Minimum protections required Refer clause no: 11 of part XI
10 Excitation system
10.1Type rotating diode type brush-less
excitation system
*
10.2Type of exciter fast response type designed to
have a low time constant to
minimize voltage transients
under severe load changes.
*
10.3Insulation class F
10.4Exciter system Shaft driven A.C. exciter with
rotating rectifiers.
10.5In built protections for over-voltage and rate of
rise of voltage
Required
10.5.1 Field forcing capability capable of forcing the field for
more than 3 sec in the event of
dead fault at the terminals.
11 Contribution by DG to faults downstream in
MVA
11.1Initial during 1st 7 cycles corresponding to xd” *
11.2Up to 0.5 sec corresponding to xd’ *
11.3Continuous corresponding to xd *
12 Maximum over voltage surge that DG set can
withstand without deterioration and subsequent
damage. (Note DG sets are controlled by
VCBs)
*
13 AUTOMATIC VOLTAGE REGULATOR
13.1Type High speed, adjustable dead
band, Electronic type
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 12 OF 46
Sr. Description Requirement Bidder’s
Confirmation
13.2Control AUTO/MANUAL
13.3CTs and VTs for AVR operation To be included by the bidder as
required.
*
13.4Accuracy + 0.5% from no load to full load
13.5Response time for step load (from no load to full
load) &recovery of voltage to within 95%-in sec.
*
13.6Range of voltage adjustment *
14 Performance Figures
14.1Efficiency at 100% loads *
14.2Efficiency at 75% loads *
14.3Efficiency at 50% loads *
15 Temperature rise
15.1Cooling medium temperature (measured by
detector or thermometer), °C
*
15.2Temperature rise of armature winding above
cooling medium (measured by embedded
detectors), °C
*
15.3Temperature rise of field winding above cooling
medium temperature (resistance), °C
*
15.4Temperature of cooling air from the windings
(detector or thermocouple), °C
*
16 Losses
16.1Total no-load losses *
16.1.1 Total load losses at 50% load
16.1.2 Total load losses at 75% load
16.1.3 Total load losses at 100% load
17 Short circuit current withstand and duration
17.1Asymmetrical short circuit current withstand and
duration for 3 sec.
*
17.2Symmetrical short circuit current withstand and
duration for 3 sec.
*
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 13 OF 46
Sr. Description Requirement Bidder’s
Confirmation
18 Electrical characteristics (calculated on
maximum capacity) at 100% cooling for direct
axis and quadrature axis
18.1Unsaturated synchronous reactance % *
18.2Unsaturated transient reactance % *
18.3Unsaturated sub-transient reactance % *
18.4Saturated synchronous reactance % *
18.5Saturated transient reactance % *
18.6Saturated sub-transient reactance % *
Sr. Description Requirement Bidder’s
Confirmation
18.7Negative sequence reactance % *
18.8Zero sequence reactance % *
18.9D.C. resistance *
18.9.1 stator winding *
18.9.2 rotor winding *
19 Machine Time Constant
19.1Open circuit transient time constant *
19.2Short circuit transient time constant *
19.3Short circuit sub-transient time constant *
19.4Short circuit armature time constant *
20 Unbalanced Stator Current Capability
20.1Ratio of negative sequence component of the
system currents to rated current
8% or more *
21 Momentary Excess current for Generator capable of withstanding fifteen
(15) sec. a current of fifty (50)
percent in excess of its rated
current
*
22 Stator
22.1Material of construction high quality silicon steel
EQUIPMENT DESIGN
ENGINEERS
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DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 14 OF 46
Sr. Description Requirement Bidder’s
Confirmation
lamination to achieve high
permeability with low hysterisis
and eddy current losses.
22.2Windings securely braced and wedged to
withstand damage from
mechanical & electrical forces
imposed on the windings during
full voltage short circuit
conditions & for the same
reason, they have to be heavily
insulated
23 Rotor
23.1Construction machined from a solid steel
forging
Sr. Description Requirement Bidder’s
Confirmation
23.2Rotor winding MOC Silver bearing copper
23.3Joints between coils or half coils to be brazed
24 Damper winding for satisfactory parallel running to be provided *
25 Insulation level
25.1Basic insulation level, KV peak As per BS/IEC *
25.2Power frequency withstand, KV r.m.s. As per BS/IEC *
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 15 OF 46
Sr. Description Requirement Bidder’s
Confirmation
26 Vibration limits Within limits of BS/IEC *
27 Noise level Within limits of BS/IEC *
28 Painting finish Epoxy. Paint Shade as per
manufacturer’s standard.
*
29 Termination details Cable Box suitable for 1 no. 11
KV, Al/XLPE, 3Cx300 sq. mm.
cable with heat shrink
termination – Raychem type
30 Special precautions taken in the insulation
system of the generator for protections against
switching surges generated by VCB.
Extra bracing for insulation *
31 Accessories
31.1Thermostat controlled anti-condensation space
heater
Required. Supply voltage 240V
AC, 50 Hz
*
31.2RTDS wired up to the terminal block in
a separate terminal box
*
31.2.1 2 nos. bearing RTDs Required *
31.2.2 6 nos. winding RTDS (2nos./phase) Required *
31.312-point Temperature Scanner for generator
winding RTDs and engine & generator bearing
RTDs
Required *
31.4Earhing
31.4.1 Earthing pads for alternator Required *
31.4.2 Two independent earth terminals on the frame,
complete with nuts, spring washer, and plain
washer for earthing of engine..
Required
31.5Vibration monitoring system including sensors
and compatible monitoring unit to provide alarm.
Required *
32 Make of Alternator *
33 Protection CTs
33.1Construction Cast Resin
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 16 OF 46
Sr. Description Requirement Bidder’s
Confirmation
33.2Location Neutral side of phase winding &
neutral circuit
33.3Ratio & class Refer Attached S.L.D. for
Metering & Protections
34 Normal time the genset can run continuously
without requiring maintenance. (in hours)
*
XI. GENERATOR CONTROL PANEL
Sr. Description Requirement Bidder’s
Confirmation
1 Execution floor mounting
2 Installation Indoor
3 Degree of protection IP52
4 Sheet steel CRCA
5 Sheet steel thickness
5.1 Base frame / channel 3mm
5.2 Load bearing members 2mm
5.3 Internal partitions, doors etc 1.6mm
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 17 OF 46
Sr. Description Requirement Bidder’s
Confirmation
6 Type of assembly Bolted
7 Surface treatment 7 tank for removal of rust,
scale, oil, grease & dirt by
pickling followed by phospating
followed by 2 coats of zinc rich
primer
8 Surface finish Powder Coated Epoxy with
paint shade RAL-7032
9 Cable entry Bottom
10 Panel accessories Thermostat controlled space
heater and cubicle lamp
11 Protective Relays
11.1 Type Numerical, programmable at
site
11.2Supply Voltage 110V DC
11.3Rated Current 1A
11.4No. of output contacts As required for control scheme
11.5Operation indicator Required
11.6Minimum protective functions required
11.6.1 Voltage restraint IDMT Over
current
*
11.6.2 Under frequency *
11.6.3 Over frequency *
11.6.4 Under voltage *
11.6.5 Over voltage *
11.6.6 Reverse power/ loss of prime
mover
*
11.6.7 Restricted earth fault
instantaneous (high impedance
circulating current)
*
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 18 OF 46
11.6.8 IDMT earth fault – residual
current based
*
11.6.9 Standby ground over current
fault IDMT, neutral current
based
*
11.6.10 Negative phase sequence over
current, voltage unbalance,
inter-turn fault
11.6.11 Loss of excitation
11.6.12 Differential over current
11.6.13 Master trip relay, hand reset,
lock out type
*
11.6.14 Trip ckt supervision relay *
11.6.15 Redundancy in BUS PT voltage
(through BUS PT Relay ) for
110V AC Bus Wiring control
Bus with for both sections of
11KV Switchgear Board.
11.6.16 Field Protection Relays for the
Exciter (single E/F (alarm) ,
Double E/F (trip )
NOTE:The above functions can be discrete numerical relays based or software based built into PLC.
12 Meters
12.1Type Digital, 7 segment LED
12.2Metering Required For Line Currents, Line voltages,
frequency, PF, KVA, KW, kVAR
(Multi-function Load Managers
are preferred)
13 Control and selector switches
13.1Auto/Manual to select Auto or manual mode of
operation
13.2Local / Remote to select Local or Remote mode
13.3Breaker Control switch Trip - Neutral - Close, Spring
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 19 OF 46
return to Neutral.
14 Indicating Lamps
14.1Type Cluster LED
14.2Lens colours
14.3Red : C.B. “ON”
14.4Green : C.B. “OFF”
14.5White : “Trip Supply Supervision”
14.6Amber : Auto trip
14.7White : “Spring Charged”
14.8RYB : Phase Indication
15 Window type facia annunciators
15.1Voltage 110V DC
15.2Equipped with ‘Sound Cancel’, ‘Acknowledge’
and ‘Reset’ push buttons
15.3Provided with Two lamps connected in
parallel on each facia window
15.4Suitable for Open to Alarm & Close to
Alarm –site selectable
15.5Designed for an operating sequence indicated below *
Alarm Condition Fault Contact Audible
Alarm
Visual Alarm
Normal Open Off Off
Abnormal Closed On Flashing
Sound cancel Closed or Open Off Flashing
Acknowledge Closed or Open Off Steady on
Back to Normal Open Off Steady on
Reset Open Off Off
Lamp Test Open Off Steady on
15.6Minimum alarm/annunciation required for
alternator
Generator electrical faults
Downstream system fault
Bearing temperature high
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 20 OF 46
Winding temperature high
AVR trouble
Excitation trouble
16 Minimum alarm/annunciation required for
engine
Lube. oil pressure low & low-
low
Jacket water temperature high
and high-high
Engine fails to start
Engine/ Generator Bearing
temperature high and high-high
Engine shutdown
Compressed air system trouble
Engine over speed
Fuel oil tank level low and low-
low
17 Push buttons
17.1Type Spring return or stay put type
as required
17.2Contacts 2 NO + 2 NC minimum
18 Labels & Name Plates
18.1Material PVC or Anodised Aluminimum
18.2Engraving Black engraving on white
background
18.3Size of the label To suit application / importance.
18.4Fixing With self-tapping screws.
19 Wiring
19.1Control wiring
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 21 OF 46
19.1.1 Type 660V grade, PVC insulated
super-flexible copper wire
19.1.2 Size 2.5 sq. mm. for CT circuit
1.5 sq. mm. for control circuit
19.1.3 Colour Black for AC circuits and Grey
for DC circuit
19.1.4 Termination on equipment terminals / terminal
blocks
With crimped type, tinned
copper lugs , preferably WAGO
Type
19.1.5 Ferruling Required with non – detachable
type printed ferrules
20 Terminal Blocks Preferably WAGO type
20.1Control terminal size 2.5 sq. mm. minimum
20.2No. of spare control terminals 10% minimum
21 Synchronizing Facility
Auto Synchronizing with each other Required *
Manual synchronizing facility Required *
Check synchro. facility to prevent wrong
synchronizing
Required *
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 22 OF 46
XII. 11KV SWITCHGEAR FOR DG OUTPUT CONTROL
1 Execution Indoor, metal enclosed,
floor mounting, free-
standing, dust and
vermin-proof
2 Degree of protection IP4X
3 Sheet steel CRCA
4 Sheet steel thickness
4.1 Base frame / channel 3mm
4.2 Load bearing members 2mm
4.3 Internal partitions, doors etc 1.6mm
5 Type of assembly Bolted
6 Surface treatment 7 tank for removal of
rust, scale, oil, grease,
dirt by pickling followed
by phosphating
followed by 2 coats of
zinc rich primer
7 Surface Finish Powder Coated Epoxy
with paint shade RAL
7032
8 Cable entry Bottom
9 Version of circuit breakers – fixed or draw-out Drawout
10 Panel accessories Space heater with MCB
and thermostat + cubicle
lamp
11 Bus bars
11.1Material Electrolytic Aluminium
11.2Continuous current rating 400A *
11.3Insulation for bus bars Heat shrinkable
providing full insulation
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 23 OF 46
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 24 OF 46
11.4 Bus bar temperature rise while carrying
rated current
Final temperature of
850C for bus bars and
900C for joints with an
ambient of 400C
11.5 Bus bar Supports SMC, DMC or cast resin
12 Circuit breaker
12.1 Type of circuit breakers Vacuum
12.2 No. of poles 3
12.3 Make *
12.4 Rating 630A
12.5 Derated current rating at site condition 630A *
12.6 Breaking capacity 26.24kA at 11kV = 500
MVA
12.7 Short time rating 26.24kA for 1 second
12.8 Execution Draw – out
12.9 Mechanism Motorised
12.10 Control Supply Voltage
12.10.1 Spring charging Motor 240V AC
12.10.2 Closing and tripping coil 110V DC
12.11 CB mechanical indications (flags) `ON’, `OFF’, “Service”,
“Test”, “Isolated”,
“Spring charged”
12.12 CB operation facility AUTO/MANUAL
12.13 Spare Auxiliary contacts 4 NO + 4 NC wired to
terminal block
13 Requirement of surge suppressor
13.1 For machines switched with VCB Required
13.2 Type Gapless, Zinc Oxide
13.3 Class Rotating Machine class
14 Meters
14.1 Type Digital, 7 segment LED
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 25 OF 46
14.2 Metering required for Line Currents, Line
voltages
15 Control and selector switches
15.1 Function
15.2 Auto/manual to select Auto or manual mode of
operation
15.3 Local / remote to select Local or Remote mode
15.4 Breaker control switch Trip - Neutral - Close,
Spring return to Neutral.
16 Indicating lamps
16.1 Type Cluster LED
16.2 Lens colours
16.3 Red : C.B. “ON”
16.4 Green : C.B. “OFF”
16.5 White : “Trip Supply Supervision”
16.6 Amber : Auto trip
16.7 White : “Spring Charged”
16.8 RYB : Phase Indication
17 Push Buttons
17.1 Type Spring return or stay put
type as required
17.2 Contacts 2 NO + 2 NC minimum
18 Labels & Nameplates
18.1 Material PVC or Anodised
Aluminimum
18.2 Engraving Black engraving on
white background
18.3 Size of the label To suit application /
importance.
18.4 Fixing With self-tapping
screws.
18.5 Use Main Panel, feeders
and individual devices
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 26 OF 46
19 Wiring
19.1 Control wiring
19.1.1 Type 660V grade, PVC
insulated super-flexible
copper wire
19.1.2 Size 2.5 sq. mm. for CT
circuit
1.5 sq. mm. for control
circuit
19.1.3 Colour Black for AC circuits and
Grey for DC circuit
19.1.4 Termination on equipment terminals /
terminal blocks
With crimped type,
tinned copper lugs
preferably WAGO Type
19.1.5 Ferruling Required with non –
detachable type printed
ferrules
20 Terminal blocks Preferably WAGO type
20.1 Control terminal size 2.5 sq. mm. minimum
20.2 No. Of spare control terminals 10% minimum
21 Testing
All routine tests as per applicable standards Required.
22 Quality Assurance Plan *
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 27 OF 46
XIII. DIESEL ENGINE
Sr. Description Requirement Bidder’s Confirmation
1 Make *
2 Engine capacity (KW) Compatible with
alternator of 3750KVA
0.8 PF
*
3 Type of fuel for engine commercial High speed
diesel (HSD)
*
4 Engine Speed 1500 RPM *
5 Short time overload capacity of engine *
6 Cooling Water Cooled *
6.1 Cooling water requirement Mcu/Hr *
6.2 Inlet water temperature 32 Deg C
6.3 Outlet water temperature 37 Deg C maximum *
6.4 Quality of cooling water Raw / DM/ treated *
6.5 Cooling water system monitoring instrumentation Flow meters, inlet &
outlet water temp.
indicator
*
6.6 Maximum duration the DG can run at rated load
without cooling water
*
7 No of cylinders *
8 Time interval between successive starts *
9 Fuel oil system
9.1 Day tank Capacity 990 liters
9.2 Accessory Filling, draining and
vent connection with
valves and level
switches for low oil
level & high oil level
alarm and automatic
operation scheme for
day-tank filling.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 28 OF 46
Sr. Description Requirement Bidder’s Confirmation
9.3 Type of filter Duplex
Sr. Description Requirement Bidder’s Confirmation
9.4 Pre-Combustion Chamber Designed so as to
achieve safe knock-free
performance with
smokeless exhaust
10 Type of engine multi-cylinder, totally
enclosed, continuous
duty, direct fuel
injection, turbo-
charged, compression
ignition, inter-cooled oil
engine
10.1 Specific fuel consumption under site conditions
10.1.1 Full Load
10.1.2 3/4 Full Load
10.1.3 1/2 Full Load
11 Lubricating Oil System Pressure fed type *
11.1 Lube. Oil required at rated Load *
11.2 Type of filter in lube oil system to take load due to
clogging of Lube filter
Duplex type
11.3 Arrangement to bypass the oil cooler during
starting until oil temperature rises above
minimum.
Required
11.4 Bypass valve to prevent engine being starved of
oil in case filter is choked
Required
11.5 Accessories such as pressure gauges,
temperature indicators, pressure relief valves,
bypass valves, pressure switches
Required
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 29 OF 46
Sr. Description Requirement Bidder’s Confirmation
11.6 Engine shaft driven lube oil pump 1
11.7 Electrical motor driven lube oil pump 1 working+ 1 standby
12 Lube Oil Coolers As Required
13 Engine starting system
13.1 Type of starting Compressed air starting
Sr. Description Requirement Bidder’s Confirmation
13.2 No. of starts to be permitted by compressed air
system
Minimum 3 consecutive
starting attempts
13.3 Compressed air system 1 no. compressor
having adequate
capacity to be installed
local to the diesel
engine. Individual
compressor for
individual DG.
13.4 Completeness of compressed air system Storage receiver
adequate to hold
compressed air for 3
successive starts of the
engine, necessary
interconnecting piping,
pressure gauges,
pressure switches for
automatic cycling of the
compressor, electric
starter, LV power &
control cabling.
*
13.5 Starting solenoid valves with manual bypass
valve for local starting ( UPS / DC Supply )
Required
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 30 OF 46
Sr. Description Requirement Bidder’s Confirmation
14 Governing system
14.1 Make *
14.2 Type Electronic type
14.2.1 Load sharing features Required *
14.2.2 Adjustable droop Required *
14.3 Steady state speed regulation *
14.4 Steady state governing speed plus or minus % of
rated speed
*
14.5 Momentary over speed after full load rejection %
of rated speed
*
Sr. Description Requirement Bidder’s Confirmation
14.6 Momentary under speed of rated speed after
sudden increase of 25% rated load
*
14.7 Prescribed speed band ± rated speed *
14.8 Safety over - speed trip device
to automatically shut off
fuel in case the speed
exceeds the prescribed
limit.
*
15 Exhaust system
15.1 Engine exhaust system, complete with exhaust
gas driven turbo charger, residential silencer,
ducting, bends , silicate lagging, supporting
accessories etc
Required
15.2 G.I. cladding for Exhaust pipes within enclosure 22 gauge with thermal
insulation
16 Local Indicator Panel
16.1 Flexibly mounted local indicator panel with speed
indicator and gauges for lubricating oil pressure
before and after filter
Required
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 31 OF 46
Sr. Description Requirement Bidder’s Confirmation
17 Bearings Self-aligning journal
bearings
17.1 Type Self lubricated type
17.2 No. *
17.3 Life *
17.4 Lubrication *
17.5 Type of lubricant *
17.6 Lubricating interval *
17.7 Well with a suitable thermometer in the oil drain
and a suitable sight flow opening to observe
bearing oil flow. They shall also be provided with
Pt-100 type RTDs for monitoring their
temperature.
Required
17.8 Maximum generator shaft voltage 100 mV
Sr. Description Requirement Bidder’s Confirmation
17.9 In case, shaft voltage exceeds 100mV Non-driving end bearing
housing and lead-in &
lead out pipes to be
fully insulated (Non
conductive insulation)
17.10Separate terminal box for space heater and
R.T.D./Thermistors
Required
18 Forced Lubrication System In case forced
lubrication is required,
bidder shall provide 1
W+ 1 SB forced lube oil
pumps, electrical motor
driven.
19 Engine exercising facility to be built into engine
and generator control panel
Normal service,
Auto, Manual
*
19.1 “Service” (Duty)- Engine shall remain as “Ready-
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 32 OF 46
Sr. Description Requirement Bidder’s Confirmation
to-start” and shall start automatically when called
upon (AMF)
19.2 Automatic exercising Engine should be able
to start and run at a
preset time (e.g. once
a week) and shall run
for preset time (e.g.
30min) this shall be
programmable at site
without load
19.3 Manual Exercising Operator shall be in a
position to start and run
the engine as desired
20 Overall dimensions of fully assembled DG unit
20.1 Without acoustic enclosure *
21 Weight schedule
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 33 OF 46
Sr. Description Requirement Bidder’s Confirmation
21.1 Overall weight of complete system for foundation
design
*
21.2 Heaviest single unit to be handled during normal
maintenance KGs
*
XIV. INDUCTION MOTORS FOR AUXILIARY DRIVES
Sr. Description Requirement Bidder’s Confirmation
1 Rated Voltage 415V ±10%, 50 Hz, ±5%
2 Type of installation Industrial, 3 phase,
squirrel cage
3 Degree of protection IP54 for indoor and IP 55
for outdoor
4 Reference standard IS 325.
5 Surface treatment painted with chemical
works type epoxy paint
6 Winding treatment windings shall be treated
for chemically corrosive
atmosphere. Overhang
shall be applied with gel
coat epoxy paint.
7 Minimum Motor rating 15% higher than the
driven equipment input
power requirement
8 Insulation class Class B or better
9 Minimum starting voltage 80% of rated voltage
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 34 OF 46
XV. PLC SYSTEM FOR DG
A PLC (Programmable Logic Controller) system shall be provided for centralized control of 4nos. 3750 KVA DG
sets. Only the functional requirement expected from the system are specified here. The Bidder has to make
his own estimate about hardware requirement.
9.1 SCOPE: Supply of hardware to support the software and for operator interface.
Develop software based on the functional requirements stipulated in this specification.
Loading of the software into PLC system at the Bidder’s Works and testing by simulation.
Deliver the equipment at site.
Supervision of installation, testing and on load commissioning of the system.
Training of the Owner’s operating personnel for 5 working days for operating, maintenance trouble-
shooting, editing / modifications to the software etc.
Supply of essential spares.
9.2 PERFORMANCE REQUIREMENTS OF THE PLC SYSTEM –
The following performance activities are expected from the PLC:
Starting and stopping of 04 nos. DG sets along with their auxiliaries in a sequenced manner.
The DG sets are to run in synchronism with each other.
The PLC shall allow selection of any three out of four DG duty sets as “Service” sets and fourth as
“standby”.
Automatic Mains Failure starting of 3 nos. duty DG sets. In case one of the DG set fails to start or trip
during operation, the standby DG set shall be brought into operation automatically.
ON – OFF control of DG sets VCBs.
Generation of static and dynamic mimic for each DG set along with important parameters of generator
and engine.
Fault report generation indicating type of fault and date & time of occurrence of the fault. The system
shall be capable of loading the faults in its memory for 48 hours.
Generation print-outs periodically or on-demand as desired by the operator in a format to be approved
by the Purchaser.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 35 OF 46
Basic System
The basic system shall comprise the following:
Central Processing Unit.
Adequate Memory for storing and running of the software.
Interfacing device viz.
Key board
Mouse
17” flat screen Colour Monitor
Laser Printer for taking hard copy output.
Programming unit (as described below)
Adequate number of digital I / O racks.
Adequate number of Analogue / Analogue or Analogue / digital converters.
Sheet steel cabinet to house the CPU, I / O racks and converters etc.
Interconnecting cabling between various devices of the system
Self – diagnostics.
Back – up storage of the software.
Any other hardware / software that is required to make the system complete and fully operational. The
Bidder shall clearly spell out all such features is his Bid for better understanding / evaluation of his Bid.
System hardware requirement
CPU
The Bidder shall select the CPU with appropriate speed so that the software can be run with reasonable speed
and the data can be updated reasonably fast. The Bidder shall furnish technical particulars of the CPU offered.
MEMORY
Memory offered shall be adequate:
To store the entire software with at least 100% spare memory for future alternations additions / losses in
corrupt memory segments. (ROM / Hard Disk)
To run the entire software with at least 100% spare memory for the same purpose as above (RAM). The
Bidder shall furnish technical particulars of the Memory offered.
INTERFACING DEVICE
The keyboard, Mouse and 17” flat screen colour monitor shall be standard commercially available
device available in the market, to the extent possible.
PRINTER
This shall be standard commercially available laser type.
Programming Unit
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 36 OF 46
This has been described in more details in the following paragraph under “Software”
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 37 OF 46
Digital I / O racks -
Digital input cards are required to accept inputs such as VCB auxiliary contacts, temperature switch,
pressure switch contacts etc. These shall be potential – free. The interrogating voltage shall preferably
be low voltage DC (such as 12 or 24 V. DC) which has to be generated by the Bidder. Digital output
cards, complete with heavy duty auxiliary interposing relays if required, shall be suitable for onerous
switching duty such as operation of VCB closing and tripping coil at 110 V. DC.
Analogue / Analogue or Analogue / Digital converters –
Analogue input signals such as DG set current and voltages shall be the inputs to the PLC system. Currents
shall be 0-1 A and voltages 0-110V corresponding to 0-11 kV, 50 Hz AC signals. The converters shall convert
them for use in PLC software.
Construction
The sheet steel cabinet shall be floor mounting, free – standing, CRCA sheet cabinet made out of 2 mm thick
sheet.
The sheet shall under go 7 – tank chemical pre-treatment which shall be followed by epoxy based powder
coating in shade RAL 7032 or the one approved by the Purchaser. The cubicle shall provide degree of
protection not less than IP 52. Neoprene gasketting shall be provided at the doors and all metal-to-metal
contacts. Louvres, if required, shall be covered by fine wire mesh.
The cable entry shall be from bottom. Panel earthing and system earthing shall be provided as detailed under
“Earthing“ below. If glass is used in the panel door for viewing of the PLC system, the same shall be heat
resistant toughened type.
The cubicle, in general, shall be aesthetically built and compatible with the system & its installation
Interconnecting Cabling –
All interconnecting cabling between the CPU, Digital I / O Racks, Analogue input racks, keyboard, mouse,
VDU, printer, programming unit etc. shall be included by the Bidder in his scope of supply.
Field cabling for digital inputs / outputs, analogue inputs etc. shall also be provided by the bidder.
Self Diagnostic
The PLC system shall be complete with hardware and software for providing self-diagnostic feature for the
system. Failure of power supplies, components, PCBs shall be indicated by RED LEDs. The LEDs shall be
tagged to indicate the type of failure that has taken place.
The Bidder shall furnish an operations and Maintenance Manual highlighting the steps that are to be taken by
the operator in the event of occurrence of such an event.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 38 OF 46
Back – up storage of the software
In the event of the software getting non-operative / corrupt due to some reason the operator should be capable
of re-loading the same into the PLC system.
The Bidder shall, therefore, included in his scope suitable back-up system such as a CD (with a drive)
Completeness of the System
If the Bidder feels that based on his experience certain additional hardware / software is required to be included
by him to make the system fully operation, he shall offer the same, highlighting the particulars.
Software
The sequencing logic shall be either ladder diagram based or execution statement based. It is preferable that
the operator is in a position to edit the logic or add the ladders / execution statement from his PC with the help
of keyboard or mouse.
Power supply
The Purchaser shall make available power at 240V, Single phase, 50 Hz or 415 V, 3 ph., 4 wire, 50 Hz,
depending on the KVA requirement of the PLC system.
The industrial (plant power distribution) power supply is prone to frequent failures, is subject to over voltages /
under voltages and is likely to be contaminated by spurious noise signals, spike etc.
The Bidder shall clearly state in his Bid whether the above mentioned power supply is acceptable to his system,
in which case he has to elaborate the arrangements made by him in his PLC input power supply system.
If the Bidder requires conditioned and UPS power supply for his system,
He shall include adequately rated UPS system operating on the abovementioned Industrial type power supply,
with adequately rated (AH capacity) sealed Maintenance – Free batteries.
Other power supplies such as 12 / 24 V DC or as required, for the electronics system of the PLC, in any case
will have to be derived by the Bidder himself. Necessary power packs and other hardware required for this
purpose will have to be included by the bidder in his scope.
Earthing
The Bidder shall clearly spell out the requirement of earthing, both panel frame earthing and signal earthing in
his bid. He shall highlight the requirement of “Clean Earth” if required. He shall also furnish specifications i.e.
size and shielded / unshielded cable for interconnection between PLC system and earth pits.
Training
The Bidder shall include in his scope training of Purchaser’s operating staff for a period of 5 working days. The
training shall cover a minimum of
EQUIPMENT DESIGN
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SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 39 OF 46
Familiarization of configuration of the PLC system.
Familiarization and working of the software including the procedure for loading of the software from
back-up storage system, editing of / modifications to the preloaded software.
Actual operation of the DG system including the VCBs from the PLC.
Fault diagnostics and trouble-shooting
Repair of the faulty PCB / replacement by spare PCBs etc.
10 BIDDER’S EXPERIENCEThe Bidder shall furnish a reference list to establish his credentials by way of submitting a list of at least 5 nos.
industrial type projects executed in last 3 years of similar ratings.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 40 OF 46
XVI. TESTS
Tests shall be carried out during and after completion of manufacture of different component parts and
the assembly, as applicable, in accordance with the requirement of relevant codes and standards.
Bidder shall indicate other tests, which are required to be carried out at site after installation.
Tests shall be performed in presence of Purchaser's representative if so desired by Purchaser, at
Supplier's works on completed assembly of the DG set. The Bidder shall give at least two (2) weeks
advance notice for inspection.
Following tests shall be carried out on the engine-generator completed assembly at manufacturer's works:
a) Power run of auxiliary equipment.
b) Functional checks and adjustments of speed governor and control devices.
25.1 The generator shall be subjected to following tests (for which only Test Certificates are required):
a) High voltage tests on stator and rotor windings.
b) Insulation resistance of stator and rotor windings.
c) Temperature rise test
d) Open circuit and short circuit tests.
e) Stator phase sequence check.
f) Overload capability test.
g) Measurement of air gap.
h) Stator winding resistance measurement
25.2 Excitation System
The excitation system shall be subjected to the following tests at manufacturer's works (for which only Test
Certificates are required):
a) High voltage tests on windings.
b) Insulation resistance of windings.
c) Temperature rise test.
d) Measurement of resistance of stator and rotor windings.
e) Open circuit magnetization test.
f) Functional check and operation of relays, protection, metering and signalling schemes.
25.3 Voltage regulator
The voltage regulator shall be subjected to the following tests at manufacturer's works (for which only Test
Certificates are required):
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 41 OF 46
a) Sensitivity test.
b) Response time test.
25.4 Control Panels
The control panels shall be subjected to the following tests at manufacturer's works, which shall be witnessed
by the Purchaser/ his representative.
a) Continuity Checks
b) High voltage withstand test as per relevant standard.
c) Insulation resistance test.
d) Functional and operation test.
25.5 D.G. set and the auxiliaries
D.G. set and the auxiliaries shall be assembled at the manufacturer's works and the following tests shall be
performed, which shall be witnessed by the Purchaser/ his representative.
a) One (1) hour running at full load.
b) One (1) hour running at 3/4 load.
c) One (1) hour running at 110% full load.
d) Engine starting time.
e) Fuel consumption test.
Before each test, the engine shall be brought to a steady state under the conditions of the test.
25.6 Tests at Site
The tests shall be performed after proper installation of the diesel generating unit at site to prove the proper
operation of interlock circuits and the capability of the engine to start and pick-up load in the specified time,
under supervision of the purchaser's representative responsible for supervision of testing and commissioning.
Guarantee tests to prove guaranteed performance of the D.G. set shall also be carried out at site after proper
installation.
25.7 Test Certificates
a. Test certificates shall be submitted in six (6) copies.
EQUIPMENT DESIGN
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DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
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CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 42 OF 46
b. The test certificates shall be furnished to the purchaser for prior approval before despatch of any
equipment from works and the approval in writing from purchaser shall be essential to effect dispatch of the
equipment.
c. The test reports shall indicate complete identification of the data, including serial number of each
equipment.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 43 OF 46
XVII. MAINTENANCE TOOL AND TACKLES
The Bidder shall furnish to the purchaser a complete and unused set of all special tools and tackles,
which are necessary or convenient for erection, testing and commissioning, maintenance and
overhauling of any of the equipment provided under this specification.
The tools shall be shipped in separate containers clearly marked with the name of equipment for which
they are intended.
The Bidder shall submit a list of tools proposed to be furnished under the scope of supply with his
proposal.
XVIII. SPARES
Adequate quantity of spares for DG sets, shall be provided by the bidder for maintenance of the Dg sets at
least for 2 years after successful commissioning.
The bidder shall submit a list of recommended spare parts, with suggested quantities and catalogue numbers,
for ten(10) years smooth and trouble free operation.
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 44 OF 46
XIX. DRAWINGS AND DOCUMENTS SCHEDULE
A. FOR GENERATOR CONTROL & BREAKER PANEL
Documents shall comprise but not limited to the following:
Required after Purchase Order
Engineering Data Require
d
With
Bid-Qty
For
approval
Qty
No. of
weeks
As
built
Qty
No. of weeks
1 Outline dimension drawing 2 4 2 6 6
2 Cross sections with part description
3 Foundation drawings with static & dynamic
loading data
2 4 2 6 6
4 Completed Data Sheets 2
5 Bill of Materials for scope of Supply 2 4 2 6 6
6 Performance Data /Curves:/Discharge
curves
2
7 Installation / Operation / Maintenance
Manual
3 With dispatch
8 Priced Spare List for 10 years service 2
9 Terminal point schedule / drawing 4 2 6 6
10 Control Schematic Diagram 4 2 6 6
11 Description of Control Sequences
12 Type test certificate for short circuit
withstand for panel
2
13 Type test certificate for short circuit
breaking current of circuit breaker
2
14 At the time of inspection 6 At the time of
inspection15 Test Certificates for bought out items 6
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 45 OF 46
(Breaker, CT, PT, Meter, Relay)
EQUIPMENT DESIGN
ENGINEERS
SPECIFICATIONS FOR
DIESEL GENERATING SETS
DOCUMENT NUMBER
MH-IDMHMUMB001-E-SP-002
Rev-R0
CLIENT : RELIANCE INDUSTRIES LTD. SHEET NO. 46 OF 46
B. DRAWING AND DOCUMENTS SCHEDULE FOR DG SYSTEM
Documents shall comprise but not limited to the following:
Required after Purchase Order
Engineering Data Reqd
With
Bid
For
approval
Qty
No.of
weeks
As
built
Qty
No.of weeks
1 General arrangement drawing showing all
major dimensions, including clearances
required and crane requirement for
assembly & dis- mantling, nett & shipping
weights of all items of equipment.
2 4 2 6 6
2 Recommended layout showing room
dimensions, ventilation requirement civil
foundations, loading data, trench, wall
opening, etc.
2 4 2 6 6
3 Schematic P & I diagrams for lube oil, fuel
oil, jacket cooling, etc.
2 4 2 6 6
4 Schematic diagrams for control panel,
synchronising panel, voltage regulator,
governor
2 4 2 6 6
5 Literature, write ups, description of DG set
excitation system, voltage regulator,
governor & other auxiliaries
2 4 2 6 6
6 Voltage dip calculations - 4 2 6 6
7 Test reports - - - 6 Before
despatch
8 Generator characteristic curves yes 3 2 6 6
9 Bill of material 2 4 2 6 6