A grounding switch is a mechanical switch used in the grounding part of a circuit. It can carry current under abnormal conditions (such as short-circuit current) for a certain period of time, but it is not required to carry current under normal circuit conditions. A grounding switch has no arc extinguishing device. Its main functions include: replacing portable grounding wires, grounding high-voltage equipment and lines during maintenance to protect personal safety; creating artificial grounding to meet protection requirements.
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The core of the grounding switch is used for the safety grounding and maintenance guarantee of the power system, and the specific applicable scenarios include: medium and high voltage substations; switchgear matching; new energy scenarios; cable lines; Distribution system maintenance.
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