User guide

LEHE5521-01 5
STANDBY 125-150 kW
PRIME 114-135 kW
60 Hz
D125-6 (3-Phase) Materials and specifications are subject to change without notice.
Generator Set Technical Data – 1800 rpm/60 Hz Standby Prime
Power Rating kW kVA 125 156.3 114 142.5
Lubricating System
Type: full pressure
Oil filter: spin-on, full flow
Oil cooler: watercooled
Oil type required: API CH4/CI4
Total oil capacity L U.S. gal 16.5 4.4 16.5 4.4
Oil pan L U.S. gal 15.5 4.1 15.5 4.1
Fuel System
Generator set fuel consumption
100% load L/hr gal/hr 40.6 10.7 36.0 9.5
75% load L/hr gal/hr 31.6 8.3 30.0 7.9
50% load L/hr gal/hr 24.5 6.5 23.2 6.1
Engine Electrical System
Voltage/ground: 12/negative
Battery charging generator ampere rating amps 100 100
Cooling System
Water pump type: centrifugal
Radiator system capacity incl. engine L U.S. gal 21.0 5.5 21.0 5.5
Maximum coolant static head m H
2
O ft H
2
O 8.0 26.0 8.0 26.0
Coolant flow rate L/hr U.S. gal/hr 10 200 2,693 10 200 2,693
Minimum temperature to engine °C °F 85 185 85 185
Temperature rise across engine °C °F 7.9 14.2 7.9 14.2
Heat rejected to coolant at rated power kW Btu/min 74.9 4,262 69.8 3,971
Total heat radiated to room at rated power kW Btu/min 13.0 740 12.1 688
Radiator fan load kW hp 8.0 10.7 8.0 10.7
Air Requirements
Combustion air flow m
3
/min cfm 12.6 445 12.3 434
Maximum air cleaner restriction kPa in H
2
O5 20 5 20
Radiator cooling air (zero restriction) m
3
/min cfm 327 11,548 327 11,548
Generator cooling air m
3
/min cfm 26.4 923 26.4 923
Allowable air flow restriction (after radiator) kPa in H
2
O 0.12 0.50 0.12 0.50
Cooling air flow (@ rated speed)
Rate with restriction m
3
/min cfm 317 11,195 317 11,195
Exhaust System
Maximum allowable backpressure kPa in Hg 15 4.4 15 4.4
Exhaust flow at rated kW m
3
/min cfm 29.7 1,049 28.6 1,010
Exhaust temperature at rated kW –
Dry exhaust °C °F 437 819 427 801
Generator Set Noise Rating*
(without attenuation) at 1 m (3 ft) dB(A) 97 97
277/480V 266/460V 127/220V
120/240V
347/600VGenerator Technical Data
120/208V
Motor Starting Capability: (kVA)
(30% voltage dip) Self excited 360 335 311 283 N/A
PM excited** 469 437 406 370 437
AREP excited 469 437 406 370 437
Full Load Efficiencies: Standby 92.7 92.6 92.5 92.3 92.6
Prime 92.8 92.8 92.7 92.5 92.8
Reactances (per unit): Xd 2.74 2.99 3.27 3.65 2.99
X'd 0.10 0.10 0.11 0.13 0.10
X"d 0.057 0.062 0.068 0.076 0.062
Xq 1.65 1.79 1.96 2.19 1.79
X"q 0.068 0.074 0.080 0.090 0.074
X2 0.063 0.068 0.075 0.083 0.068
X0 0.004 0.005 0.005 0.006 0.005
Time Constants:
t'd t"d t'do ta
100 ms 10 ms 2865 ms 15 ms
* dB(A) levels are for guidance only
** With PMG Excited Option AVR12
Reactances
shown are
applicable to the
standby rating.