Switchgear is an electrical tool used to control the electricity flow into an electrical system. The devices and hidden equipment are used for the same purposes, to prevent overloads and short circuits and to de-energize circuits for testing and maintenance. Circuit breakers and fuses, which stop the power flow from getting too high, and power switches, which exchange electricity sources from primary to a secondary source, for example, access to power generation when power is shut down, are the most common types of switchgear. The switch must serve as a transmission, formation, and division of the normal load current. Furthermore, the defect current must be visible, which depends on the application, is used for sensing devices such as current transformers, future transformers, and various types of relays. In addition, there must be calculation, control, and data, using innumerable devices for switching purposes. It may include disconnectors, current transformers, potential transf...
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