Hybrid electrical power system
First Claim
Patent Images
1. An electrical power system comprising:
- a solid oxide fuel cell;
a turbomachine including an electrical machine;
a valve for regulating a flow of fuel to the turbomachine; and
a control for commanding the valve to increase the flow of fuel in response to a request for boost power and thereby cause the turbomachine to supply the requested boost power.
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Abstract
A hybrid electrical power system includes a solid oxide fuel cell and a turbomachine. Fuel flow to the turbomachine is increased in response to demands for boost power, whereby the turbomachine'"'"'s electrical generator provides the boost power. The turbomachine supplies heated, high pressure air to the solid oxide fuel cell, bringing the solid oxide fuel cell to its required operating temperature. Waste from the solid oxide fuel cell, including exhaust air and unreacted fuel, is utilized by the turbomachine.
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Citations
20 Claims
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1. An electrical power system comprising:
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a solid oxide fuel cell; a turbomachine including an electrical machine; a valve for regulating a flow of fuel to the turbomachine; and a control for commanding the valve to increase the flow of fuel in response to a request for boost power and thereby cause the turbomachine to supply the requested boost power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of operating a solid oxide fuel cell and a turbomachine, the method comprising the steps of:
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operating the solid oxide fuel cell; operating the turbomachine; combining output voltages of the solid oxide fuel cell and the turbomachine; and increasing fuel flow to the turbomachine in response to a request for boost power, whereby the turbomachine provides the requested boost power. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification