Substation, that is, the place where the voltage is changed. In order to transport the electric energy from the power plant to a far away place, the voltage must be raised and changed into high-voltage power, so as to reduce the loss in transmission, and then reduce the voltage near the user as required. The work of voltage rise and fall depends on the substation. The main equipment of substation is switch and transformer. According to the size of different, small is called substation, substation is larger than substation.
In the working environment of substation, the voltage level is very high, so we should pay special attention to safety issues. However, in practice, pollution flashover, condensation flashover, icing trip, small animal short circuit and naked bus discharge accidents often occur in substation. Therefore, it is of great significance to select high-quality insulation materials for the safe operation of power system. The heat shrinkable materials used in substation include bus bar heat shrinkable tube, heat shrinkable composite tape, insulation shield, cable terminal, etc. Bus bar heat shrinkable tube is used for insulation protection of bus bar in substation with excellent insulation performance and good process characteristics.
The heat shrinkable tube of busbar is made of radiation cross-linked polyolefin material with excellent physical, chemical and electrical properties. Its main functions are electrical insulation of connector, anti rust and anti-corrosion of solder joint, mechanical protection, reducing phase to phase distance, etc. It has the characteristics of low smoke, softness, flame retardant, high strength and carbon mark resistance, and can resist high temperature up to 125 ℃.
In substation, it is mainly used for wrapping copper bar, insulation protection and increasing safety distance.
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