- 74 -
50 Hz - Derating Table (in %, 100% is declared power in “Performance Data”)
For use of generator outside these conditions, please contact Atlas Copco.
Notes
1)
Reference conditions for engine performance to ISO 3046-1.
2)
See derating diagram below or consult the factory for other conditions.
3)
At reference conditions unless otherwise stated.
4)
Rating definition (ISO 8528-1):
LTP: Limited Time Power is the maximum electrical power which a generating set is capable of delivering (at variable load), in the event of a
utility power failure (for up to 500 hours per year of which a maximum of 300 hours is continuous running). No overload is permitted on these
ratings. The alternator is peak continuous rated (as defined in ISO 8528-3) at 25°C.
PRP: Prime Power is the maximum power available during a variable power sequence, which may be run for an unlimited number of hours per
year, between stated maintenance intervals and under the stated ambient conditions. A 10% overload is permitted for 1 hour in 12 hours. The
permissible average power output during a 24h period shall not exceed the stated load factor as indicated on the AML.
5)
Specific mass fuel used: 0.86 kg/l.
6)
Thermal release is higher at 25°C.
Height
(m)
Temperature
(°C)
0
5
10
15
20
25
30
35
40
45
50
0
100
100
100
100
100
100
95
95
95
90
90
500
100
100
95
95
95
90
90
90
85
85
85
1000
95
90
90
90
85
85
85
80
80
80
75
1500
85
85
85
80
80
80
80
75
75
75
70
2000
80
80
80
75
75
75
70
70
70
65
65
2500
75
75
70
70
70
70
65
65
65
NA
NA
3000
70
70
65
65
65
65
60
60
60
NA
NA
3500
65
65
60
60
60
60
55
NA
NA
NA
NA
00_00_HiLight H4_EN.book Page 74 Monday, April 18, 2016 2:10 PM
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