Liquid cooled, linear focus solar cell receiver

Details Liquid cooled, linear focus solar cell receiver Liquid cooled, linear focus solar cell receiver

1983-12-08

1985-01-01

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136244, 136248, 136251, H01L 3100

Patent

active

044916817

ABSTRACT:
Separate structures for electrical insulation and thermal conduction are established within a liquid cooled, linear focus solar cell receiver for use with parabolic or Fresnel optical concentrators. The receiver includes a V-shaped aluminum extrusion having a pair of outer faces each formed with a channel receiving a string of solar cells in thermal contact with the extrusion. Each cell string is attached to a continuous glass cover secured within the channel with spring clips to isolate the string from the external environment. Repair or replacement of solar cells is effected simply by detaching the spring clips to remove the cover/cell assembly without interrupting circulation of coolant fluid through the receiver. The lower surface of the channel in thermal contact with the cells of the string is anodized to establish a suitable standoff voltage capability between the cells and the extrusion. Primary electrical insulation is provided by a dielectric tape disposed between the coolant tube and extrusion. Adjacent solar cells are soldered to interconnect members designed to accommodate thermal expansion and mismatches. The coolant tube is clamped into the extrusion channel with a releasably attachable clamping strip to facilitate easy removal of the receiver from the coolant circuit.

REFERENCES:
patent: 3376164 (1968-04-01), Bachwansky
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patent: 4056405 (1977-11-01), Varadi
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patent: 4361717 (1982-11-01), Gilmore et al.
patent: 4388481 (1983-06-01), Uroshevich
patent: 4397303 (1983-08-01), Stultz
M. Simon et al., "Solar Cells With Concentrating Collectors & Integrated Heat Use System", Proceedings, 2nd E. C. Photovoltaic Solar Energy Conf., Reidel Pub. Co., (1979), pp. 541-549.
M. J. O'Leary et al., "Thermal-Electric Performance Analysis for Actively Cooled, Concentrating Photovoltaic Systems", Solar Energy, vol. 25, pp. 401-406, (1980).
M. J. O'Neill, "The 25 KW Fresnel Lens/Photovoltaic Concentrator Application Experiment at Dallas-Fort Worth Airport", Conf. Record, 14th IEEE Photovoltaic Specialists Conf., (1980), pp. 125-130.
K. T. Feldman, Jr., "A Passive Heat Pipe Cooled Photovoltaic Receiver", Conf. Record, 15th IEEE Photovoltaic Specialists Conf., (1981), pp. 165-172.

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