Study on the high voltage electric safety of electric vehicle

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Study on the high voltage electric safety of electric vehicle

Xia, Yang / Liu, Xiaokang / Feng, Chun

Dongfeng Motor Corporation has a wealth of experience in developing the high voltage electric safety of electric vehicle battery and the matching system of high voltage electric safety. By analysis of electric vehicle needs and decomposition of target, we make detailed design of high voltage electric system, and then the design of relay assembly. The control interface of high voltage electric safety system module of the battery management system is confirmed. And the hardware and software of high voltage electric safety system are designed. Through the studying on the high voltage electric safety system of electric vehicle, Dongfeng Motor Corporation masters the technique of it. The high voltage electric safety system with independent intellectual property right, high performance, safety and reliability, low cost, which can meet the need of different types of vehicles are developed. The technology research platform of software and hardware of battery management system with high voltage security is established. The research capability about the high voltage electric safety control of new energy automobile is developed. We also master the key technologies of high voltage electric safety system, such as external insulation test of battery pack, internal insulation and leakage detection of battery pack, the design of high voltage circuit control strategy. The fault mode, failure mode, automatic diagnosis and safety control strategy of high voltage electric system are evaluated. The test standard and evaluation certification system of high voltage electric safety system of the electric vehicle are formed.