Method and apparatus for controlling cogeneration system

Details Method and apparatus for controlling cogeneration system Method and apparatus for controlling cogeneration system

2011-08-23

2011-08-23

Cuevas, Pedro J (Department: 2839)

Prime-mover dynamo plants

Electric control

Engine control

C123S305000, C060S691000

Reexamination Certificate

active

08004099

ABSTRACT:
In an apparatus (and a method) for controlling a cogeneration system equipped with a generation unit having a generator connectable to an AC power feed line between a commercial power network and an electrical load and an internal combustion engine for driving the generator, and a heat exchanger that exchanges heat with coolant of the engine with exhaust heat from the engine to warm up the coolant, there are provided with an exhaust gas temperature sensor that detects temperature of exhaust gas passing the heat exchanger, a temperature comparator that compares the exhaust gas temperature with a predetermined value and an operation stopper that stops the operation of the cogeneration system when the exhaust gas temperature is found to be less than the predetermined value. With this, it becomes possible to prevent moisture in the exhaust gas from being condensed and accumulated in the exhaust-gas heat exchanger.

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