Auxiliary Engine (Generator Set) · Auxiliary Engines
The 7L23/30H-GS-50Hz engine from MAN Energy Solutions is designed to operate on heavy fuel oil (HFO) or marine diesel oil (MDO) and is part of the 23/30H-GS family. This robust engine features a bore of 225 mm and a stroke of 300 mm, delivering a power output of 1295 kW at 750 rpm. The engine's configuration is L, meaning it has a 4-stroke cycle and is turbocharged with intercooling. The engine is equipped to run in a generator set configuration with a power rating of 1230 kW and a kVA rating of 1538. The design incorporates a specific fuel consumption of approximately 195 g/kWh, and the engine operates efficiently with a compression ratio of 13:1. Common maintenance issues include carbon buildup in piston rings, wear on gudgeon pin and crankpin journals, injector coking, exhaust valve erosion, and bearing journal wear, all of which require regular inspection and servicing to maintain optimal performance.
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