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Compact DC/AC electric power generator using convective liquid cooled low bandgap thermophotovoltaic cell strings and regenerative hydrocarbon burner
Compact DC/AC electric power generator using convective liquid cooled low bandgap thermophotovoltaic cell strings and regenerative hydrocarbon burner
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机译:紧凑型DC / AC发电机,使用对流液体冷却的低带隙热光电电池串和可再生碳氢化合物燃烧器
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摘要
Multiple low bandgap GaSb photovoltaic cell strings are mounted around the perimeter of a cylinder in parallel with the cylinder axis. These cell strings face radially inward and receive infrared (IR) radiation from a ceramic axial emitter and efficiently convert this radiation into DC electric power. Linear reflectors are associated with each cell string and serve to concentrate IR energy into the photovoltaic cells or to return it to the emitter. The ceramic emitter is heated from the inside by hydrocarbon combustion. A uniform temperature along the length of the emitter is maintained by staged addition of fuel in a special burner design. Regenerative air heating is also inherent in the burner design increasing its efficiency. Air for the combustion is supplied by a blower. Sliding contacts to the rotating shaft on the blower can be used for DC to AC conversion. The cell strings are cooled through a compact closed cycle convective liquid cooling loop. The resultant unit is a compact, quiet, light weight DC or AC electric power source.
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