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Hangzhou Meilin New Material Technology Co., Ltd. is China ODM/OEM High-voltage Automotive Cable Compound Suppliers and Wholesale High-voltage Automotive Cable Compound, we were established in July 1994 (formerly known as Zhejiang Lin'an Hongyan Plastic Factory). The company has two factories located at 619 Linglongshan Road and 259 Xingyu Street, Lingqiu Street, Linglong Industrial Park, Lin'an District, Hangzhou City. The registered capital of the company is 75 million yuan, covering an area of over 18000 square meters and a building area of over 30000 square meters. Currently, modern industrial factories and 18 advanced automated production lines have been built. The new factory area will be produced in 2021, making it the cleanest and most beautiful professional cable material manufacturer in the entire region—agreement conditions.

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High-voltage Automotive Cable Compound Industry Knowledge

How can high-voltage automotive cable composite materials ensure good anti-interference performance in the complex electromagnetic environment of the car?

High-voltage automotive cable composite materials ensure good anti-interference performance in the complex electromagnetic environment of the car in the following ways:

Adopting a shielding structure: a metal shielding layer is set on the outside of the cable, such as copper or aluminum and other metal materials with good conductivity. The metal shielding layer can form an equipotential distribution, limit the electromagnetic field inside the cable to the shielding layer, reduce the leakage of electromagnetic signals to the outside, and also prevent external electromagnetic interference from entering the cable, playing a two-way shielding role. For example, the copper wire braided mesh is used as the shielding layer. The higher the braiding density, the better the shielding effect.

Choose the right insulating material: High-voltage automotive cable composite materials usually use insulating materials with high dielectric strength and low dielectric constant. High dielectric strength can ensure that the cable will not break down under high voltage, while low dielectric constant helps to reduce the electric field distortion inside the cable and reduce the generation of electromagnetic interference. For example, cross-linked polyethylene (XLPE) is a commonly used insulating material with good electrical and mechanical properties, which can effectively isolate the cable conductor from the external environment and reduce electromagnetic interference.

Optimize cable structure design: By rationally designing the cable structure, such as using a concentric twisted structure or a twisted pair structure, the electromagnetic field distribution inside the cable can be made more uniform, reducing the occurrence of electromagnetic coupling. The concentric twisted structure twists the conductors in layers according to certain rules to minimize the electromagnetic interaction between the conductors in each layer; the twisted pair structure twists the two conductors together so that the electromagnetic fields they generate cancel each other out, thereby reducing electromagnetic interference.

Add anti-electromagnetic interference additives: Add some special anti-electromagnetic interference additives to the cable composite material, such as nano-scale metal oxides or carbon nanotubes. These additives can form a conductive network inside the composite material, effectively absorb and dissipate electromagnetic energy, thereby improving the anti-interference performance of the cable. For example, adding carbon nanotubes can increase the conductivity of the composite material and attenuate electromagnetic interference inside the material.

Perform electromagnetic compatibility design: In the overall design stage of the car, the layout and direction of high-voltage automotive cables are reasonably planned to avoid laying cables in parallel with other strong electromagnetic interference sources at close distances to reduce the possibility of electromagnetic coupling. At the same time, electromagnetic compatibility design is also carried out on the cable's connecting components and terminal equipment to ensure that the entire cable system can operate stably and reliably in the complex electromagnetic environment of the car.