Operation
Operating Environment
55 9831/0650-3 55
Figure 42. Power de-rating depending on operating fuel temperature at injection pump inlet
6
4
2
0
-2
-4
-6
-8
-10
10 15
20 25 30
35 40
45
50
55
60
65
X
Y
X Power de-rating (%) Y Fuel temperature (Celsius)
Derate Table
The generator output is affected by temperature and altitude. The following derate should be applied to take
this into account.
Table 14.
Altitude Ambient Temperature
-30°C
(86.0°F)
-25°C
(77.0°F)
-20°C
(68.0°F)
-15°C
(59.0°F)
-10°C
(50.0°F)
-5°C
(41.0°F)
Sea Level
500 M
1,000
1,500
2,000
2,500
3,000
3,500 2% 2% 2% 2% 2% 2%
4,000 6% 6% 6% 6% 6% 6%
4,500 10% 10% 10% 10% 10% 10%
5,000 13% 13% 13% 13% 13% 13%
Table 15.
Altitude Ambient Temperature
0°C
(32.0°F)
5°C
(41.0°F)
10°C
(50.0°F)
15°C
(59.0°F)
20°C
(68.0°F)
25°C
(77.0°F)
30°C
(86.0°F)
Sea Level
500 M
1,000
1,500