High voltage cables used in high voltage power distribution and to power cells

China [CN]

On electric vehicles, the high-voltage electrical system is mainly responsible for starting, driving, charging and discharging, and air-conditioning power. It mainly includes the battery system, powertrain, high-voltage electric control system, charging system, high-voltage equipment, and its wiring harness system. Electric vehicle high-voltage wire is used to connect the charging port to the battery, inside the battery, between the battery and the engine and other components, as well as battery energy storage equipment and other areas, as a carrier of power transmission. Due to the harsh application environment in the vehicle, electric vehicle high-voltage cables have very high performance requirements.

Introduction of common standards for high-voltage cables.

For example, the standards used in the Chinese region:

GB/T 25085 (ISO6722): single-core cables for road vehicles 60V and 600V Dimensions, test methods and requirements

GB/T 12528: AC rated voltage 3kV and below for rail vehicles with cables

QC/T 1037 : High-voltage cables for road vehicles

The product is soft, bending radius up to 5D or less; resistant to high and low temperature, oil, acid and alkali, water, abrasion, cracking and UV; good flame retardant performance; good electrical conductivity, small conductor temperature rise; all materials comply with RoHS 2.0 environmental standards.

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