Method and apparatus for controlling a combined heat and power fuel cell system
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United States of America Patent
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-
Sep 6, 2005
Grant Date -
Jan 9, 2003
app pub date -
May 30, 2002
filing date -
May 31, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cogeneration fuel cell system and associated methods of operation are provided that accommodate a demand for heat as well as a demand for electric power. The system is operated among various modes to balance heat and power demand signals. In general, a fuel cell system is coupled to a power sink and a heat sink, and a controller is adapted to respond to data signals from the power sink and the heat sink. As examples, such data signals from the heat sink may include a temperature indication or a heat demand signal (such as from a thermostat), and such data signals from the power sink may include a voltage or current measurement, an electrical power demand signal, or an electrical load.
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