Photovoltaics for vapor compression refrigeration

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Scientists in China have developed a PV-driven direct-drive refrigeration system for electronic device cooling.

Researchers at the Hebei University of Technology in China have designed a solar photovoltaic direct-drive refrigeration system with low energy consumption for high heat-flux electronic device cooling.

“The proposed system integrates photovoltaic power generation with direct-cooling and vapor compression refrigeration (VCR),” the research’s lead author, Xiaohui Yu, told pv magazine. “The combination of micro-evaporator and direct cooling method can achieve good heat exchange efficiency.”

The system consists of two subsystems: a PV unit including a battery and an maximum power point tracking (MPPT) controller; and a VCR unit comprising a DC rotary compressor, a fin air-cooled condenser, an electronic expansion valve, an embedded direct cooling evaporator, and a dry-filler.

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Source: PV Magazine

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