Milton CAT D125-6 125 kW Spec Sheet - Manual (Page 6)

LEHE5521-01
6
S T A N D B Y 1 2 5 - 1 5 0 k W
P R I M E 1 1 4 - 1 3 5 k W
6 0 H z
D150-8 (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 150 187.5 135 168.8
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 44.7 11.8 41.5 11.0
75% load L/hr gal/hr 36.8 9.7 34.3 9.1
50% load L/hr gal/hr 28.4 7.5 26.6 7.0
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 78.4 4,461 73.5 4,182
Total heat radiated to room at rated power kW Btu/min 13.6 774 12.7 723
Radiator fan load kW hp 8.0 10.7 8.0 10.7
Air Requirements
Combustion air flow m 3 /min cfm 12.9 456 12.6 445
Maximum air cleaner restriction kPa in H
2
O 5 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 airflow (@ 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 31.5 1,112 30.5 1,077
Exhaust temperature at rated kW –
Dry exhaust °C °F 625 1,157 610 1,130
Generator Set Noise Rating*
(without attenuation) at 1 m (3 ft) dB(A) 97.3 97.3
277/480V 266/460V 127/220V
120/240V
347/600V Generator Technical Data
120/208V
Motor Starting Capability: (kVA)
(30% voltage dip) Self excited 420 391 363 330 N/A
PM excited** 548 511 476 433 511
AREP excited 548 511 476 433 511
Full Load Efficiencies: Standby 92.9 92.9 92.9 92.5 92.9
Prime 93.1 93.1 93.1 92.8 93.1
Reactances (per unit): X
d
2.90 3.16 3.45 3.86 3.16
X'
d
0.10 0.11 0.12 0.13 0.11
X"
d
0.058 0.063 0.069 0.078 0.063
X
q
1.74 1.89 2.07 2.32 1.89
X"
q
0.069 0.075 0.082 0.092 0.075
X
2
0.063 0.069 0.075 0.084 0.069
X
0
0.005 0.005 0.006 0.007 0.005
Time Constants:
t'
d
t"
d
t'
do
t
a
100 ms 10 ms 2966 ms 15 ms
* dB(A) levels are for guidance only
** With PMG Excited Option AVR12
Reactances
shown are
applicable to the
standby rating.