Milton CAT G175 LG4 Spec Sheet - Manual (Page 5)

S T A N D B Y 1 7 5 k W
P R I M E 1 5 7 . 5 k W
6 0 H z
LEHE6275-05
5
D175-2 (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 175 218.8 157.5 196.9
Lubricating System
Type: Full Pressure
Oil Filter: Spin-On, Full Flow
Oil Cooler: Watercooled
Oil Type Required: API CH-14; API-C15
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 G/hr 53.8 14.2 50.2 13.3
75% Load L/hr G/hr 43.7 11.5 41.2 10.9
50% Load L/hr G/hr 34.7 9.2 33.3 8.8
Engine Electrical System
Voltage/Ground: 12V/Ground
Battery Charging Generator Ampere Rating
Amps 100 101
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 12 960 3,424 12 960 3,424
Minimum Temperature to Engine °C °F 85 185 85 185
Temperature Rise Across Engine °C °F 9 14.2 9 14.2
Heat Rejected to Coolant at Rated Power kW Btu/min 93.5 5,322 86.8 4,941
Total Heat Radiated to Room at Rated Power kW Btu/min 16.2 922 14.9 848
Radiator Fan Load kW hp 15 20.12 15 20.12
Air Requirements
Combustion Air Flow m 3 /min cfm 12.6 445 12.3 434.4
Maximum Air Cleaner Restriction kPa in H
2
O 8 32 8 32
Radiator Cooling Air (zero restriction) m 3 /min cfm 30 15,171 30 15,171
Generator Cooling Air m 3 /min cfm 30.6 1,081 30.6 1,081
Allowable Air Flow Restriction (after radiator) kPa in H
2
O 0.12 0.5 0.12 0.5
Cooling Airflow (@ rated speed)
Rate with restriction m 3 /min cfm 390 13,773 390 13,773
Exhaust System
Maximum Allowable Backpressure kPa in Hg 15.0 4.4 15.0 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 677 1251 666 1231
Generator Set Noise Rating**
(Without Attenuation) at 1 m (3 ft)
dB(A) 100.6 100.6
* *Three phase power rating
**dBA levels are for guidance only
277/480V 266/460V 127/220V
120/240V
347/600V Generator Technical Data
120/208V
Motor Starting Capability: (kVA)
(30% voltage dip) Self excited 454 422 392 355 N/A
PM excited** 543 506 469 425 506
AREP excited 543 506 469 425 506
Full Load Efficiencies: Standby 93.0 93.0 92.9 92.6 93.0
Prime 93.1 93.2 93.1 92.8 93.0
Reactances (per unit): X
d
2.74 2.99 3.26 3.65 2.99
X'
d
0.13 0.15 0.16 0.18 0.15
X"
d
0.081 0.088 0.096 0.108 0.088
X
q
1.64 1.79 1.96 2.19 1.79
X"
q
0.100 0.109 0.119 0.133 0.109
X
2
0.090 0.098 0.107 0.120 0.098
X
0
0.005 0.005 0.005 0.006 0.005
Time Constants:
t'
d
t"
d
t'
do
t
a
100 ms 10 ms 2865 ms 15 ms
Reactances
shown are
applicable to the
standby rating.