HV Components Standard Test Service R&D Test Services Overview Module & Cell Vehicle and Pack HV Components Solution>R&D Test Services>HV Components Standard Test Service R&D Test Services Overview Module & Cell UHPC Application Battery Safety Early Warning Low-Temperature Fast Charging Application AC Self-Heating CCP Complex Operating Condition Testing Characteristic Ripple Injection Vehicle and Pack Pack Current Ripple lnjection Pack Voltage Ripple Injection Self-Generated Ripple of Pack and HV System AC Self-Heating of Pack and Vehicle HV Components Complete Testing of Vehicle and HV Components Durability Testing of BDU HV Components Complete Testing of Vehicle and HV Components A complete set of solutions and testing services for ISO 21498-2 and VW80300 whole vehicle and high-voltage component ripple and voltage changes testing; Durability Testing of BDU Simulating the long-term current ripple durability of the high-voltage box and the long-term rapid disconnection of the high-voltage box pre charging relay under the operating conditions of the entire vehicle, it was found that the insulation resistance of the high-voltage box decreased, the impedance increased, and the pre charging resistor generated severe heat;
