| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cogeneration system capable of reducing a flow rate of stored hot water in a heat transfer unit (a heat exchanger) even when a manipulated variable of a stored hot water circulating pump is large in comparison with a conventional example. <P>SOLUTION: The cogeneration system is provided with a cogeneration device 1 generating both electricity and heat, a hot water storage tank 18 storing hot water, a stored hot water circulation passage 19 formed from a portion of the hot water storage tank to another portion of the hot water storage tank, the stored hot water circulating pump 20 provided in a midway part of the stored hot water circulation passage to circulate the stored hot water through the stored hot water circulation passage, and the heat transfer unit 17 provided in a midway part of the stored hot water circulation passage to transfer heat generated by the cogeneration device to circulating stored hot water. A bypass passage 21 is provided in the stored hot water circulation passage 19 so as to bypass the heat transfer unit and the hot water storage tank. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
