Operation; Runtimes At Partial Load - MTU 12V4000L32FB Operating Instructions Manual

3 Operation

3.1 Runtimes at partial load

Gas engines were designed and optimized for continuous operation at 100 % load.
The following restrictions apply to ensure maximum operational availability of the engine plant and to
reduce maintenance to a minimum:
Power, referenced to nominal
load
0 % to 30 %
30 % to 50 %
50 % to 100 %
Table 36: Runtimes at partial load
A minimum operating time of 2 hours per start is recommended to counteract increased engine loading
resulting from temperature changes (cold start to engine operating temperature).
Recommended maximum run-
time
at this load
30 minutes
120 minutes
No restriction
MS150115/00E 2013-10 | Operation | 37
Recommended minimum run-
time
in subsequent operation
at load > 50 %
120 minutes
120 minutes
No restriction