Research on Reliability Test of High Voltage Products With Liquid Cooling Cycle
High voltage electrical products of new energy vehicles have the characteristics of self heating and self cooling liquid circulation,and their temperature effect is different from conventional low-voltage electrical appliances.They cannot be tested according to environmental reliability test methods such as GB/T28046 for electrical and electronic equipment.This article grasps the temperature distribution of high-pressure products with liquid cooling circulation by building a test bench.And establish a reliability testing method that matches the cooling night temperature.
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