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10.4 Technical specifications for QES 120 units
10.4.1
Settings of switches
10.4.2
Specifications of the engine/alternator/unit
Switch
Function
Activates at
Engine oil pressure
Shut down
1.0 bar
Engine coolant temperature
Shut down
110°C
QES 120 - 50Hz
QES 120 - 60Hz
Reference conditions 1)
Rated frequency
50 Hz
60 Hz
Rated speed
1500 rpm
1800 rpm
Generator service duty
PRP
PRP
Absolute air inlet pressure
1 bar(a)
1 bar(a)
Relative air humidity
30%
30%
Air inlet temperature
25°C
25°C
Limitations 2)
Maximum ambient temperature
50°C
50°C
Altitude capability
3000 m
3000 m
Maximum relative air humidity
85%
85%
Minimum starting temperature unaided
0°C
0°C
Minimum starting temperature with cold start equipment (optional)
-18°C/-25°C
-18°C/-25°C
Performance data
2) 3) 4) 5)
Rated active power (PRP)
96.0 kW
96.0 kW
Rated active power (ESP)
105.6 kW
105.6 kW
Rated apparent power (PRP)
120.0 kVA
120.0 kVA
Rated apparent power (ESP)
132.0 kVA
132.0 kVA
Rated voltage line to line
400 V
480 V
Rated current 3ph
173.2 A
144.3 A
Performance class (acc.ISO 8528-5:1993)
G3
G3
Single step load acceptance (PRP)
50%
65%
48.0 kW
62.4 kW
Frequency droop
isochronous
isochronous
Fuel consumption at no load (PRP) (0%)
5.5 kg/h
4.1 kg/h
Fuel consumption at 50% load (PRP)
13.8 kg/h
17.9 kg/h
Fuel consumption at 75% load (PRP)
16.8 kg/h
19.8 kg/h
Fuel consumption at full load (PRP) (100%)
23.3 kg/h
23.5 kg/h
Specific fuel consumption (at full load PRP, 100%)
0.243 kg/kWh
0.245 kg/kWh
Fuel autonomy at full load with standard tank
8.5 h
8.4 h
Fuel autonomy at full load with 24h tank
25.1 h
24.9 h