With its newest gas engine, the 51/60G, MAN Diesel & Turbo is now bringing the typical virtues of gas engines to power and co-generation plants with electrical outputs of 100 to 300 MW, a category previously dominated by gas turbines.
The 51/60G gas engine is derived from the 51/60DF engine by optimisation for pure gas operation. Featuring a lower heat rate compared to the 51/60DF engine, the 51/60G is most suitable for large gas power plants.
In addition to using thermal energy recovered from engine sources for heating or cooling in co-generation or tri-generation applications, the exhaust heat of the 51/60G engine can also be used to produce steam to drive a steam turbine generator. In this way the overall output and efficiency of the power plant can be increased without additional fuel costs.
Derived from the extensively proven 48/60 diesel engine platform, the 51/60G uses distillate liquid fuel pilot injection to achieve reliable, low emissions ignition of lean air/gas mixtures in a large (510 mm) bore engine. The 51/60G´s pilot fuel injection equipment is an electronically controlled, electrically actuated common rail system which allows flexible setting of injection timing, duration and pressure for each cylinder.