Cogeneration apparatus

Details Cogeneration apparatus Cogeneration apparatus

2005-08-19

2009-11-10

Ponomarenko, Nicholas (Department: 2839)

Prime-mover dynamo plants

Electric control

Traction

C290S002000

Reexamination Certificate

active

07615878

ABSTRACT:
A cogeneration system that is operated in system connection is disconnected from the system and operated independently at a power failure of the system. A power generator1driven by an engine E is connected to a system9. A water-cooling device13recovers exhaust heat of the engine E. When an operating switch20is switched, to its independent operation mode for an independent operation apart from the system9, the upper limit of the target rotation speed Ntgt of an electronic governor16is increased over that at system connection operation, thereby the engine speed can be increased, and the maximum output point of the power generator1is increased for operation. When a power failure of the system9is detected by a power failure detecting unit21, an operation mode judging unit19outputs a judgment result similar to that at the moment when the independent operation mode is instructed and increases the upper limit of the target engine speed Ntgt, and turns off a connection switch7to disconnect the system connection.

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International Search Report of PCT/JP2005/015137, date of mailing Nov. 15, 2005.
Translation of International Preliminary Report on Patentability mailed Mar. 29, 2007 of International Application No. PCT/JP2005/015137.

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