Geo-cooled photovoltaic power converter
First Claim
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1. A geo-cooled solar photovoltaic power conversion apparatus comprising:
- a photovoltaic power converter including one or more heat producing components;
a power converter heat exchanger;
a sub-grade heat exchanger thermally coupled to the earth;
a liquid coolant reservoir including a tank, a first reservoir heat exchanger interior to the tank, and a second reservoir heat exchanger interior to the tank, wherein the first reservoir heat exchanger and the second reservoir heat exchanger are thermally coupled to each other via a liquid interior to the tank;
a first coolant loop including a first liquid coolant and operably connecting the power converter heat exchanger, the first reservoir heat exchanger, and a first coolant pump, wherein the first coolant pump is operable to circulate the first liquid coolant through the power converter heat exchanger and through the first reservoir heat exchanger; and
, a second coolant loop including a second liquid coolant and operably connecting the sub-grade heat exchanger, the second reservoir heat exchanger, and a second coolant pump, wherein the second coolant pump is operable to circulate the second liquid coolant through the second reservoir heat exchanger and through the sub-grade heat exchanger.
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Abstract
A geo-cooled photovoltaic power conversion apparatus including a cooling system having liquid-to-earth sub-grade heat exchanger, multiple cooling loops, and a coolant reservoir which provides thermal storage for the cooling system.
54 Citations
12 Claims
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1. A geo-cooled solar photovoltaic power conversion apparatus comprising:
- a photovoltaic power converter including one or more heat producing components;
a power converter heat exchanger;
a sub-grade heat exchanger thermally coupled to the earth;
a liquid coolant reservoir including a tank, a first reservoir heat exchanger interior to the tank, and a second reservoir heat exchanger interior to the tank, wherein the first reservoir heat exchanger and the second reservoir heat exchanger are thermally coupled to each other via a liquid interior to the tank;
a first coolant loop including a first liquid coolant and operably connecting the power converter heat exchanger, the first reservoir heat exchanger, and a first coolant pump, wherein the first coolant pump is operable to circulate the first liquid coolant through the power converter heat exchanger and through the first reservoir heat exchanger; and
, a second coolant loop including a second liquid coolant and operably connecting the sub-grade heat exchanger, the second reservoir heat exchanger, and a second coolant pump, wherein the second coolant pump is operable to circulate the second liquid coolant through the second reservoir heat exchanger and through the sub-grade heat exchanger. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- a photovoltaic power converter including one or more heat producing components;
Specification