Atlas Copco QAS 80 - 100 Pd - Page 49

Instruction manual
2954 2380 00 49
Notes
For use of generator outside these conditions, please contact Atlas Copco.
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 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 of 80%.
5) Specific mass fuel used: 0.86 kg/l.
Derating
Height
(m)
Temperature
(°C)
0 5 10 15 20 25 30 35 40
0 100 100 100 100 100 100 100 98 97
500 100 100 100 100 100 100 99 98 97
1000 100 100 100 100 100 99 98 97 96
1500 97 97 97 97 97 97 97 96 95
2000 94 94 94 94 94 94 94 94 93
2500 88 88 88 88 88 88 88 88 88
3000 88 88 88 88 88 88 88 88 88
3500 82 82 82 82 82 82 82 82 82
4000 82 82 82 82 82 82 82 82 82