Dispatchable power plant and method for using the same
First Claim
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1. A method for producing power using a geothermal heat source fluid from a geothermal fluid source, comprising the steps of:
- (a) increasing a power level produced by a Rankine cycle power plant producing power by operating on the geothermal heat source fluid during a first period of time by stopping an injection pump during said first period of time from injecting said geothermal fluid from said geothermal fluid source into an injection well; and
(b) storing heat during the first period of time.
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Abstract
The present invention provides a method for producing load-following power using low to medium temperature heat source fluid comprising the steps of: reducing the power level produced by a Rankine cycle power plant producing load-following power operating on a low to medium temperature heat source fluid during one period of time; storing heat not used during the first period of time; and using the heat stored for producing power during a second period of time.
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13 Claims
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1. A method for producing power using a geothermal heat source fluid from a geothermal fluid source, comprising the steps of:
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(a) increasing a power level produced by a Rankine cycle power plant producing power by operating on the geothermal heat source fluid during a first period of time by stopping an injection pump during said first period of time from injecting said geothermal fluid from said geothermal fluid source into an injection well; and (b) storing heat during the first period of time. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for producing power using a geothermal fluid, comprising the steps of:
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extracting a geothermal fluid from a heat source using a geothermal fluid production well; producing power by a power plant operating on the geothermal fluid, resulting in a partially heat depleted geothermal fluid; using a certain amount of power to operate an injection pump to inject the partially heat depleted geothermal fluid from the power plant into a geothermal fluid injection well; stopping the operating of the pump to inject the partially heat depleted geothermal fluid into the geothermal fluid injection well during a first period of time, whereby a power level produced by the power plant during the first period of time is increased by the certain amount of power; storing the partially heat depleted geothermal fluid outside of the geothermal fluid injection well during the first period of time; and injecting the stored geothermal fluid into the geothermal fluid injection well and back to the geothermal fluid heat source during a second period of time. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification