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Precautions when using copper braided flexible connectors.

Source: http://www.kingdco.com/en/news/44.html   Published: 2017-05-06
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The editor tells everyone:Copper foil flexible connectorsThe connecting component uses copper braided tape as the conductor, with copper tubes at both ends. The surface of the copper tubes is silver-plated. The size of the joints is produced according to customer requirements, and through special processing, it is made into a flexible connector and flexible grounding. It has high conductivity, strong fatigue resistance, and can be fully manufactured according to customer needs. The flexible copper wire connection is used in high and low voltage electrical equipment, vacuum electrical appliances, mining explosion-proof switches, as well as automobiles, locomotives, and related products for flexible connectors. It uses bare copper wire or tinned copper braided wire, manufactured through cold pressing, and can be tinned or silver-plated according to user requirements.

Copper braided flexible connectors are generally used for electrified movement in non-horizontal directions and as components in medium and low voltage circuit breakers for power distribution applications. The primary electrical parameter of copper braided straps is a direct current resistivity (20℃) not greater than 0.022 Ωmm²/m, and the direct current resistivity of tinned copper braided straps (20℃) is not greater than 0.0234 Ωmm²/m.

Copper braided flexible connectors are widely used in power transmission and distribution lines and are commonly seen in circuit equipment and non-linear connections: the lines that transmit electricity from step-down substations to distribution transformers or from distribution transformers to electricity-using units are called distribution lines. In China, the commonly used distribution line voltages are 0.4kV, 6kV, and 10kV; 6kV and 10kV are called high-voltage distribution lines, and 0.4kV is called low-voltage distribution lines. The construction of distribution lines requires safety and reliability, maintaining continuous power supply, reducing line losses, improving transmission capacity, and ensuring excellent power quality. Conductors are the main components of lines, and their primary function is to transmit current and deliver electrical power. Types of conductors: aluminum conductors, copper conductors, steel-core aluminum stranded conductors, heat-resistant conductors, insulated conductors, carbon fiber conductors, phosphor bronze steel conductors. Split conductors: ultra-high-voltage transmission lines use this type of conductor arrangement method to control corona discharge and reduce line reactance. Each phase conductor is composed of several smaller-diameter sub-conductors, each spaced a certain distance apart and arranged in a symmetrical polygon. Lightning protection wire (ground wire): the main function of the lightning protection wire is to prevent lightning, and it is installed above the conductors.

Since the lightning protection wire is installed at the top of the tower above the conductor and grounded at the base of each tower, it is also called an overhead ground wire. (Direct strike lightning / Induced lightning) Materials: galvanized steel stranded wire, steel-core aluminum stranded wire, aluminum-clad steel stranded wire, OPGW composite ground wire. 10kV lines do not have lightning protection wires, 35kV lines have lightning protection wires installed 1-2 kilometers from the substation outlet, and 110kV and above lines generally have lightning protection wires. Insulator An insulator is a component used to support and suspend the conductor while providing electrical insulation between the conductor and grounded parts such as towers. Types of insulators: rod-shaped porcelain insulator, suspension porcelain insulator, suspension glass insulator, and rod-composite insulator. Hardware The main types of line hardware include various clamps, connecting hardware, splicing hardware, protective hardware, and guying hardware. Tower The tower is a support structure for conductors, lightning protection wires, and other accessories.

This article is compiled and issued by Yixing Xindake New Energy Technology Co., Ltd. Please obtain permission if you wish to reprint.Please indicate the source

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