Automotive high voltage cable design, Dongguan

Design principles and safety standards for automotive high-voltage wiring harnesses

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At present, electric passenger cars use high-power motors and large-capacity batteries, and in order to reduce charging time, they use high-voltage and high-current charging technology, which requires the use of high-voltage electrical systems. The high-voltage system of electric passenger vehicles can connect all components such as motors, batteries, and power electronic components together. The high-voltage wiring harness of electric vehicles is the electrical path that connects the energy source (fuel cell) of electric vehicles and the power device. In order to meet the driving requirements of electric vehicles and the requirements for wiring harness connection reliability and use safety under various driving conditions, the following is a high-voltage cable for high-voltage current (high power).

According to the data, it can be divided into two situations of domestic and foreign development. At present, the new energy automobile industry is in the exploration and small-scale trial production stage. The domestic and foreign industry has not yet formed an industrial scale, so some related parts are still in the experimental stage. Compared with the overall technical level of domestic automotive wiring harnesses, which mainly focuses on wiring harness assembly and is seriously lagging behind, foreign automotive wiring harness-related technologies have a solid foundation and already have solutions for high-voltage wiring harnesses.

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