WCS1825 / WCS1825S

Features:

WCS Series

M: Mechanical speed governor, E/ECU: Electronic speed governor;NA: Naturally aspirated, TC: Turbocharged, TCA: Turbocharged and air-air aftercooled. TCW: Water-cooled Turbocharged;The weights are approximate and without fuel.

Also available in the following voltages: 415/240V-380/220V-220/127V-200/115V; ESP: Standby Power Standby duty, operation under variable load, without over load;PRP: Prime Power-Continuous duty operation, under variable load 24/24h-10% over load permissible 1 hour/12 hours;The data is only for your reference but not for use of sales.

Ratings at 0.8 power factor.

Generating Set Model Prime Standby

WCS1825/S 1650kVA/1320kW 1825kVA/1460kW

Output Ratings

Ratings and Performance Data Dimensions and Weights

• Excitation system: self-excited (AREP and PMG are optional)

• ATS (automatic transfer switch) receptacle

• Lockable battery isolator switch

• Stainless galvanized zinc plates with strong

corrosion resistance

• Vibration isolators between the engine/alternator

and base frame

• Integrated wiring design

• Base fuel tank for at least 8 hours running

• Equipped with an industrial muffler

• Engine oil pump

• 50℃ radiator

• Top lifting and steel base frame with forklift holes

• Drainage for fuel tank

• Complete protection functions and safety labels

• IP44 (soundproof sets), IP54 (control system)

• Water jacket preheater, oil heater and double air

cleaner, etc. are available.

Structure Type:

Fuel Tank Capacity: L

Fuel Consumption: l/h

WCS1825

WCS1825S

WCS1825

WCS1825S

Engine Make & Model:

Alternator Model:

Alternator Brand:

Control System:

Noise Level@7m:

Frequency & Phase:

Engine Speed: RPM

QSK50-G7

PI734D

STAMFORD

PLC-8610 / PLC-7420

/

50Hz & 3PH

1500

A

C

/

2500

331.6

251.8

Dry = With Lube Oil Wet = With Lube Oil and Coolant

Length (L)mm (in)

Width (W)mm (in)

Height (H)mm (in)

Drykg (lb)

GeneratingSet Model

WCS1825

WCS1825S

5630 2275 2610 13635

12192 2438 2896 25000

at 100% load

at 75% load

Engine model: QSK50-G7

WCS1825 / WCS1825SWCS Series

GENERAL ENGINE DATAType ............................................................................................................................................................... 4-Cycle; 60 Vee; 16-Cyliner DieselAspiration ....................................................................................................................................................... Turbocharged and Low Temperature

Aftercooled (2 Pump/2 Loop)Bore x Stroke.............................................................................................................. — in x in (mm x mm) 159 x 159 (6.25 x 6.25)Displacement.............................................................................................................................. — in3 (litre) 50.3 (3067)Compression Ratio........................................................................................................................................ 15.0 : 1

Dry Weight (Approximate), Fan to Flywheel Engine (with SAE 0 Flywheel and Flywheel Housing).............................. — lb (kg) 11927 (5410)

Wet Weight (Approximate), Fan to Flywheel Engine.......................................................................................................... — lb (kg) 12593 (5712)

Moment of Inertia of Rotating Components • with FW 6066 Flywheel .......................................................................................... — lbm • ft2 (kg • m2) 301 (12.7) • with FW 6057 Flywheel........................................................................................... — lbm • ft2 (kg • m2) 515 (21.7)Center of Gravity from Rear Face of Block............................................................................... — in (mm) 47.5 (1206)Center of Gravity Above Crankshaft Centerline ....................................................................... — in (mm) 11 (279)Maximum Static Loading at Rear Main Bearing.......................................................................... — lb (kg) 2000 (908)

ENGINE MOUNTINGMaximum Bending Moment at Rear Face of Block ......................................................... — lb • ft (N • m) 4500 (6100)

EXHAUST SYSTEMMaximum Back Pressure..................................................................................................... — in Hg (kPa) 2 (6.8)

AIR INDUCTION SYSTEMMaximum Intake Air Restriction • with Dirty Filter Element.................................................................................................. — in H2O (kPa) 25 (6.2) • with Clean Filter Element................................................................................................ — in H2O (kPa) 15 (3.7)

COOLING SYSTEMCoolant Capacity — Engine ........................................................................................... — US gal (litre) 37 (140)Minimum Pressure Cap (for Cooling Systems with less than 2m [6 ft.] Static Head) .......... — psi (kPa) 14 (96)Maximum Static Head of Coolant Above Engine Crank Centerline ............................................ — ft (m) 60 (18.3)

Jacket Water Circuit Requirements:Maximum Coolant Friction Head External to Engine — 1500 rpm....................................... — psi (kPa) 7 (48)Maximum Top Tank Temperature for Standby / Prime Power ................................................. — °F (°C) 220/212 (104/100)Thermostat (Modulating) Range ................................................................................................. — °F (°C) 180-200 (82-93)

Aftercooler Circuit Requirements:Coolant Capacity — Aftercoolers.................................................................................. — US gal (litre) 9 (34)Maximum Coolant Friction Head External to Engine — 1500 rpm....................................... — psi (kPa) 5 (35)Maximum Inlet Water Temperature to Aftercoolers @ 25 °C (77 °F) .......................................— °F (°C) 120 (49)Maximum Inlet Water Temperature to Aftercoolers for Standby / Prime Power.......................— °F (°C) 160/150 (71/66)Thermostat (Modulating) Range .................................................................................................. — °F (°C) 115-135 (46-57)

LUBRICATION SYSTEMOil Pressure @ Idle Speed.................................................................................................... — psi (kPa) 20 (138)

@ Governed Speed ......................................................................................... — psi (kPa) 50-70 (345-483)Maximum Oil Temperature.......................................................................................................... — °F (°C) 250 (121)Oil Capacity with OP 6027 Oil Pan : Low - High.............................................................. — US gal (litre) 46-54 (174-204)Total System Capacity (Including Filter) ........................................................................... — US gal (litre) 62 (235)

FUEL SYSTEMType Injection System.................................................................................................................................................................. Cummins MCRSMaximum Restriction at Lift Pump(clean/dirty filter)........................................................................................— in Hg (kPa) 5.0/9.0 (17/34)Maximum Allowable Head on Injector Return Line (Consisting of Friction Head and Static Head) — in Hg (kPa) 10.0 (34)

Engine model: QSK50-G7

WCS1825 / WCS1825SWCS Series

Maximum Fuel Flow to Injector Pump @ 1500 rpm ............................................................................. — US gph (litre/hr) 227 (859)Maximum Return Fuel Flow .@ 1500 rpm ............................................................................................. — US gph (litre/hr) 116 (439)Maximum Fuel Inlet Temperature .......................................................................................................................... — °F (°C) 160 (70)

ELECTRICAL SYSTEMCranking Motor (Heavy Duty, Positive Engagement) ................................................................................................ — volt 24Battery Charging System, Negative Ground ........................................................................................................ — ampere 55Maximum Allowable Resistance of Cranking Circuit ............................................................................................... — ohm .002Minimum Recommended Battery Capacity

• Cold Soak @ 0 °F to 32 °F (-18 °C to 0 °C) ............................................................................................— 0°F CCA 1800

COLD START CAPABILITYMinimum Ambient Temperature for NFPA 110 Cold Start (90 degree °F Coolant Temperature) ..................... — °F (°C) 50 (10)Minimum Ambient Temperature for Unaided Cold Start ........................................................................................— °F (°C) 45 (7)

PERFORMANCE DATAAll data is based on: • Engine operating with fuel system, water pump, lubricating oil pump, air cleaner and exhaust

silencer; not included are battery charging alternator, fan, and optional driven components.• Engine operating with fuel corresponding to grade No. 2-D per ASTM D975.• ISO 3046, Part 1, Standard Reference Conditions of:

Barometric Pressure : 100 kPa (29.53 in Hg) Air Temperature : 25 °C (77 °F)Altitude : 110 m (361 ft) Relative Humidity : 30%

Steady State Stability Band at Any Constant Load ....................................................................................................... — % +/- 0.25Estimated Free Field Sound Pressure Level of a Typical Generator Set; Excludes Exhaust Noise; at Rated Load and 7.5 m (24.6 ft); @ 1500 rpm ..............................................................— dBA 95 (est.)Exhaust Noise at 1 m Horizontal from Centerline of Exhaust Pipe Outlet Upwards at 45 °.....................................— dBA 125 (est.)

STANDBY POWER PRIME POWER60 hz 50 hz 60 hz 50 hz

Governed Engine Speed ................................................................. rpm 1800 1500 1800 1500009 - 007009 - 007mpr ............................................................................deepS eldI enignE

)1241(5091)1851(0212)Wk( ph .....................................................tuptuO rewoP enignE ssorG)1622(823)7152(563)aPk( isp ...............................................erusserP evitceffE naeM ekarB)9.7(2651)9.7(2651)s/m( nim/tf ........................................................................deepS notsiP)611(551)611(551)Wk( ph ..................................................................rewopesroH noitcirF

Engine Water Flow at Stated Friction Head External to Engine:)82(844)82(844)s/ertil( mpg SU ................................................daeH noitcirF isp 4 •)62(614)62(614)s/ertil( mpg SU .......................................daeH noitcirF mumixaM •

Engine Data)5391(0014)0802(0044)s/ertil( mfc ......................................................................wolF riA ekatnI)094(519)025(069)C°( F° .........................................................erutarepmeT saG tsuahxE)5784(52301)0635(55311)s/ertil( mfc ................................................................wolF saG tsuahxE

1 : 7.621 : 3.52leuf : ria .........................................................................oitaR leuF ot riA)541(5797)061(0209)Wk( nim/UTB .............................................. tneibmA ot taeH detaidaR)085(55823)586(02783)Wk( nim/UTB .....................rotaidaR tekcaJ enignE ot noitcejeR taeH)0201(50085)5311(55546)Wk( nim/UTB ..............................................tsuahxE ot noitcejeR taeH

Heat Rejected to Fuel*.................................................... BTU/min (kW) 475 (8) 475 (8)Engine Aftercooler Data

)543(09591)014(05132)Wk( nim/UTB ...............................................tnalooC ot noitcejeR taeHAftercooler Water Flow at Stated Friction Head External to Engine

)8(321)8(321)s/ertil( mpg SU ................................................daeH noitcirF isp 2 •)6.7(121)6.7(121)s/ertil( mpg SU ....................................... daeH noitcirF mumixaM •

* This is the maximum heat rejection to fuel.N.A. - Not AvailableN/A - Not Applicable to this EngineTBD - To Be Determined

Not Available For 1800 RPM

Operation

Not Available For 1800 RPM

Operation

Alternator model: PI734D

WCS1825 / WCS1825SWCS Series

CONTROL SYSTEM SEPARATELY EXCITED BY P.M.G.

123XM143XM.R.V.A

VOLTAGE REGULATION ± 1 % ± 0.5 % With 4% ENGINE GOVERNING

SUSTAINED SHORT CIRCUIT

INSULATION SYSTEM

PROTECTION

RATED POWER FACTOR

STATOR WINDING

WINDING PITCH

WINDING LEADS

MAIN STATOR RESISTANCE

MAIN ROTOR RESISTANCE

EXCITER STATOR RESISTANCE

EXCITER ROTOR RESISTANCE

srehto rof yrotcaf ot refer .N5780 EDV ,G5780 EDV,4-6-00016 NE SB & 2-6-00016 NE SBNOISSERPPUS .I.F.R

%0.5 < DAOL RAENIL DECNALAB GNITROTSID-NON %5.1 < DAOL ONNOITROTSID MROFEVAW

niM/veR 0522DEEPSREVO MUMIXAM

3C 8226 .LLAB DNE EVIRD GNIRAEB

3C 9136 .LLABDNE EVIRD-NON GNIRAEB

GNIRAEB 2GNIRAEB 1

WEIGHT COMP. GENERATOR

WEIGHT WOUND STATOR

WEIGHT WOUND ROTOR

WR² INERTIA

SHIPPING WEIGHTS in a crate

PACKING CRATE SIZE

TELEPHONE INTERFERENCE

COOLING AIR

772/084662/064452/044042/614452/044042/514132/004022/083RATS EGATLOV

kVA BASE RATING FOR REACTANCE VALUES 1615 1650 1650 1620 1815 1935 1975 2015

Xd DIR. AXIS SYNCHRONOUS 3.12 2.88 2.67 2.33 3.75 3.57 3.33 3.12

X'd DIR. AXIS TRANSIENT 0.19 0.18 0.16 0.14 0.23 0.22 0.20 0.19

X''d DIR. AXIS SUBTRANSIENT 0.14 0.13 0.12 0.11 0.17 0.16 0.15 0.14

Xq QUAD. AXIS REACTANCE 2.01 1.85 1.72 1.50 2.41 2.30 2.15 2.01

X''q QUAD. AXIS SUBTRANSIENT 0.28 0.26 0.24 0.21 0.34 0.32 0.30 0.28

XL LEAKAGE REACTANCE 0.04 0.03 0.03 0.03 0.04 0.04 0.04 0.04

X2 NEGATIVE SEQUENCE 0.20 0.18 0.17 0.15 0.24 0.23 0.21 0.20

X0 ZERO SEQUENCE 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.02

REFER TO SHORT CIRCUIT DECREMENT CURVES (page 7)

DOUBLE LAYER LAP

1.98 Ohms at 22°C

0.8

IP23

CLASS H

0.00114 Ohms PER PHASE AT 22°C STAR CONNECTED

6

TWO THIRDS

mfc 0037 ces/³m 54.3mfc 0075 ces/³m 96.2

50 Hz

THF<2%

60 Hz

TIF<50

3267 kg

40.2197 kgm2

216 x 105 x 154(cm)

1321 kg1383 kg

216 x 105 x 154(cm)

41.2206 kgm2

gk6333 gk1933

1619 kg

3318 kg

1619 kg

17.5 Ohms at 22°C

0.063 Ohms PER PHASE AT 22°C

WCS Series

Control SystemPLC-7420

FEATURES

Microprocessor control, with high stability and credibilityMonitoring and measuring operational parameters of themains supply and gensetIndicating operation status, fault conditions, all parame-ters and alarmsMultiple protections; multiple parameters display, likepressure, temp. etc.Manual, automatic and remote work mode selectable

Real time clock for time and date display, overall runtimedisplay, 250 log entries

Overall power output display

Integral speed/frequency detecting, telling status ofstart, rated operation, overspeed etc.Communication with PC via RS485 OR RS232 interface,using MODBUS protocol

PLC-7420 is an advanced control module based on micro-processor, containing all necessary functions for protection of the genset and the breaker control. It can monitor the mains supply, breaker control. and automatically start the engine when the mains is abnormal. Accurately measure various operational parameters and display all values and alarms information on the LCD. In addition, the control module can automaticallyshut down the engine and indicate the engine failure.

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AVRElectronic GoverningGlow plug controlCycle Cranking(MODBUS)NetworkingFault Historymanual start/stopAuto/remote startRegular TestAuto operation LEDManual operation LEDCommon Shutdown LEDCommon warning LEDFail to start LEDEmergency stop(local)Alphanumeric screenRemote start input active LEDAlarm reset Oil pressure Water Temperture Engine Speed Hours Run Number of Starts Battery Voltage Coolant Temperature 3PhaseL-L Voltage&Frequency 3phase Current Frequency kWh Apparent Power Active Power and Reactive Power Power Factor Per PhasekW, kWr Per Phase kVA Phase Voltage Output Power Grid Line Voltage Grid Phase Voltage Grid Frequency

Low Fuel Level High Fuel Level Low Oil Pressure High Water Temperature Failure to Stop Failure to Start Controlable start circles/times Overspeed Under&Over Voltage Under&Over Frequency Overcurrent Earth Leakage Reverse Power Reverse kWrLow Oil PressureLow Water TemperatureHigh Water TemperatureLow Water LevelLow/High Battery VoltageFailure to ChargeOvercurrentOverloadGenset Under/Over VoltageGenset Under/Over Frequencyunder/over SpeedHigh Engine TemperatureEarth LeakageSynchroscope(Independent Bus) Active and Reactive Power Control Synchroscope(Shared Bus) Synchronization Dector Peak Lopping

Automatic Transfer Hard Closed Transition Soft Closed Transtion Gen/Mains Breaker Gen/Mains Breaker Status Protection Speed/Voltage Control Power Indication Fuel&solenoid Valve Control Startor Control Preheating Mains Transfer Switch (Standard) Mains Transfer Switch (Emergency)Operating Temperature (-40℃-70℃) Ambient Temperature (-25℃-45℃) Humidity≤80%

Grid Over/Under Voltage Control Grid Over/Under Frequency Control Remote Start Output(Load/No-load) Optional Relay Output Remote Telecom Control with All Functions Engine Instrument Monitoring Altemator Output Instrument Monitoring Connection Point with All-around Setting For 6 Users 3 Users Input Connection Point LCD Light Control of Low Light Operation Environment Safe PIN CodeRS232/485 Interface Language Selection Multi-Language Function

MODEL

Standard Optional Impossible

PLC-7420

Control System function listPLC-8610

WCS1825 / WCS1825S

Control System

PLC-8610 (Optional)

Digital, intelligent controlsystem allows easier operation.

FEATURES

Microprocessor control, with high stability and credibilityMonitoring and measuring operational parameters of the genset

Indicating operation status, fault conditions, all parametersand alarmsMultiple protections; multiple parameters display, like pressure, temp. etc.Manual, automatic and remote work mode selectable

RS232 & RS485 can be used at the same time

Real time clock for time and date display, overall runtime display, 250 log entries

PLC-8610 is a microprocessor based control unit containing all

circuits and presents all values and alarms on the LCD display. The

other gensets. The load sharing is performed so each genset takesa portion of the load that is calculated in percent according to thenominal power.

necessary functions for protection of the genset and the breakercontrol. Furthermore, it contains all necessary three-phase measuring

module has the function of load sharing which enables the moduleto share the active load (kW) equally when operating in parallel with

WCS1825 / WCS1825SWCS Series

Engine Alternator Generator Set Fuel System Canopy

Exhaust System Cooling System Control Panel Voltages

● Water Jacket Preheater● Oil Preheater

Optional

● Winding Temperature Measuring Instrument● Alternator Preheater● PMG ● Anti-damp and anti-corrosion treatment● Anti-condensation heater

● Tools with the machine ● Low fuel level alarm● Automatic fuel feeding system● Fuel T-valves

● Oil with the machine ● Protection board from hotness

● Front heat protection● Coolant (-30°C)

● Remote control panel● PLC-8610● PLC-7420● ATS

● 415/240V● 400/230V● 380/220V● 220/127V● 200-115V

Lubricating System

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PowerLink reserves the right to make changes in model, technical sepcification, color, configuration and accessories without prior notice. Please contact the salesman before ordering.

WCS Series / May.2013

WCS1825 / WCS1825SWCS Series