Figure 2 measurements of power battery insulationresistanceIf Vl>VI" insulation resistance can be calculated bythe-following equation:R=�-V2RaV2If V1the-following equation:, ,R=�-,V2RaV2Test of waterproof performance/) Simulation cleaning experimentsSimulate the normal state of vehicle cleaning; do notinclude the special state set by vehicle manufacturers.When the test begins, use the hose nozzle and watercleaning vehicle with flow of 12.S L Imin, speed of 0.1 mlsand distance of 3m.2) Simulation rainstorm experimentSimulate the state of all doors of vehicle are openamong the rainstorm. When the test begin, use hose nozzleand filtered water to flow vehicle body with flow lOLimin,time of Smin.3) Simulation wade experimentSimulate the state of wading through the water on theroad. The car should be in water deep of 10cm, with speedof 20km/h, distance of SOD m, and time of 1.S min.
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