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Requirements for high voltage cables in the wiring harness of new energy vehicles发布时间:2019-10-29 09:45:56   浏览次数:2252

Requirements for high voltage cables in the wiring harness of new energy vehicles

1. Voltage: the main difference from the conventional automobile cable is that the frame needs to be designed with the rated voltage of 600v, while in commercial vehicles and buses, the rated voltage can reach 1000v. Compared with the voltage may be higher. The cables now used in cars driven by an internal combustion engine are designed to have a rated voltage of 60 V.

2, temperature: now in the vehicle in addition to the high temperature sent to the cabin or high temperature cabin, the rest of the often used cable can withstand the temperature of 105℃, and the new energy used by the high voltage cable is usually higher than the ordinary value such as 125℃ or 150℃. The cable requirements vary from place to place.

3. Working life

The accepted cable standard is 3000h, which is often used in long term aging tests. There will be special requirements in the application of high pressure field, which may exceed 3000 h, and even reach 12,000 h in the specified temperature cumulative operating time.

4. Safety identification:

High voltage electricity poses a risk to the user. High voltage cables should be visually distinct from ordinary cables and should be marked with safety warnings.





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