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鉴于四极开关在供配电系统中保证电气检修安全和实现电气装置正常功能的重要性,减少“断零”事故的发生,分析在不同接地系统中四极开关的应用,并得出基本使用原则。
In view of the importance of the four-pole switch in ensuring the safety of electrical maintenance in the power supply and distribution system and realizing the normal function of the electrical device, the occurrence of “zero-break” accident is reduced, and the application of four-pole switch in different grounding systems is analyzed. Basic principles of use.