[CN] High Voltage Cables - Difference Between Shielded and Unshielded Cables Apr 2, 2024
High-voltage cable, unshielded twisted pair (unshielded for short). Unshielded twisted pair cables consist of multiple twisted pairs and a plastic jacket. The International Association of Electrical Industries defines five different quality classes for twisted pair; Class III, Class V, Super V, and the current Class VI unshielded twisted pair are often used in computer networks. The third twisted pair is suitable for most computer local area networks, while the fifth and sixth twisted pairs greatly improve the performance of the transmission medium by increasing winding density and high quality image material.
High-voltage cables, shielded cables: There are shielded electric vehicle high-voltage lines, shielded electric vehicle high-voltage cables and shielded electric vehicle high-voltage lines. It is a cable with resistance to external electromagnetic interference formed by adding a shielding layer to the transmission cable. The shielding layer of the cable is mostly braided metal wire or metal film, and there are various ways of single shielding and multi-shielding. Single shielding refers to a shielding mesh or film in which one or more wires can be wrapped. The multi-shielding method is multiple shielding nets, and the shielding film is in one cable. Some are used to isolate electromagnetic interference between conductors, and some are double shields for enhanced shielding. The shielding mechanism is to ground the shield to isolate interfering voltages from external connections to the conductors. These products are suitable for transformers and similar equipment.
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