Jiangsu Shitate Intelligent Power Co., Ltd.
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Knowledge
Selection of 10kV cable branch box
(1) The gas insulation layer type dominated by heat shrink materials is an initial product and has been replaced. (2) The rubber insulation board outer layer is used as the main material for the safety protection type cable branch box. Long term operation is prone to internal page separation and exposed edge cracking, causing damage to the insulation layer and sealing, thus limiting the development trend of this product.
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Types of cable accessories for 35kV and below
In the cable industry, cable terminals are installed at the end of the cable line, which has certain insulation and sealing properties, so that the cable can be connected to other electrical equipment. And cable joints are installed between cables to connect cable conductors, forming a continuous circuit and having certain insulation and sealing properties. The main function of power cable accessories is to ensure the insulation and sealing of cable terminals and joints through the connection and splicing of cables. So it is widely used in the power system, and the types of products are also diverse.
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What is "insulation" and what are the safety functions of insulation products?
Insulation can usually be divided into three categories: gas insulation, liquid insulation, and solid insulation. In practical applications, solid insulation is still the most widely used and reliable insulation material.
You must know these cable knowledge
Selection of wire and cable models: When choosing wires and cables, consideration should be given to their intended use, installation conditions, and safety. For example, according to different purposes, power cables, overhead insulated cables, control cables, etc. can be selected;