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Derating table (in %, 100% is declarated power at “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 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 mainte-
nance 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 of 70%.
5) Specific mass fuel used: 0.86 kg/l.
6) Unless stated otherwise, data are given for 3ph 480 V
(a) optional equipment
(b) thermal release is higher at 25°C
Height
(m)
Temperature
(°C)
0 5 10 15 20 25 30 35 40 45 50
0 100 100 100 100 100 100 100 100 100 95 90
500 100 100 100 100 100 100 100 100 100 95 90
1000 100 100 100 100 100 100 100 100 100 95 90
1500 100 100 100 100 100 100 100 100 95 95 85
2000 95 95 95 95 95 95 95 95 95 90 85
2500 90 90 90 90 90 90 90 90 90 85 80
3000 90 90 90 90 90 90 90 90 90 85 80
3500 85 85 85 85 85 85 85 85 85 75 75
4000 85 85 85 85 85 85 85 85 85 75 75
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