What is the function of the arrester? Why does each group of cabinets have at least one arrester?
The arrester is designed according to the voltage level and must not be installed incorrectly. Some are also designed differently for different uses. Such as: power plants output electricity, have line operation, and have capacitors.
The arrester is mainly used to absorb excessive voltage in a certain section of the line to achieve the purpose of safe operation of the line. For example, the incoming cabinet has a set of arresters, which can protect the safety of the lines in the cabinet;
When the external power supply enters the cabinet, a surge arrester is already installed, so if the external power supply generates high voltage, it is safer to enter the cabinet due to the protection of the surge arrester; the lower end of the outlet cabinet is equipped with a surge arrester, mainly considering the opening and closing of the vacuum circuit breaker An overvoltage phenomenon will occur when it occurs, so a surge arrester must be installed to replace the overvoltage absorber.
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