SOLAR ENERGY STORAGE SYSTEM INCLUDING THREE OR MORE RESERVOIRS
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United States of America Patent
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Issued Date -
Nov 21, 2013
app pub date -
Nov 29, 2011
filing date -
Feb 8, 2011
priority date (Note) -
Abandoned
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Abstract
A first period may be characterized by relatively high insolation, while a second period may be characterized by relatively low insolation. At the first period, steam is generated using insolation. A portion of the steam produces electricity, while a second portion of the steam is directed to a heat exchanger in thermal communication with thermal reservoirs. A storage fluid is flowed through the heat exchanger from a first reservoir to a second reservoir and/or from the second reservoir to a third reservoir such that enthalpy in the steam second portion is transferred to the storage fluid. At a second period, the storage fluid is reverse-flowed through the heat exchanger from the third to the second reservoir and/or from the second to the first reservoir such that enthalpy in the storage fluid generates steam to produce electricity. Enthalpy during high insolation periods can thus be stored for use during low insolation periods.
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