This loop uses R -134a as acoolan tand shares the vehicle's existing air-conditioning AC) condenser, which dissipates waste heat to the ambient air.Because temperature requirements for cooling power electronics and electric machines are not as low as that required for passenger compartment air, this adjoining loop can operate on the high-pressure side of the existing AC system. This arrangement also allows for the floating loop to run without a compressor and requires only a small pump to move the liquid refrigerant.For the design to be viable, the loop must not adversely affect the existing system.The loop should also, ideally, provide a high COP, a flat temperature profile, and low pressure drop.
This loop uses R -134a as acoolan tand shares the vehicle's existing air-conditioning AC) condenser, which dissipates waste heat to the ambient air.Because temperature requirements for cooling power electronics and electric machines are not as low as that required for passenger compartment air, this adjoining loop can operate on the high-pressure side of the existing AC system. This arrangement also allows for the floating loop to run without a compressor and requires only a small pump to move the liquid refrigerant.For the design to be viable, the loop must not adversely affect the existing system.The loop should also, ideally, provide a high COP, a flat temperature profile, and low pressure drop.
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