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浅谈变电站旁路代供10kV线路的两种方式

Talking about Two Ways of Substation Bypass Supplying 10 kV Lines
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摘要 随着社会迅速发展,对电网供电可靠性的要求日益剧增,而南网大多数供电局网架结构过于薄弱,10 kV线路往往是单一线路供电,若不代供无法满足不停电开展检修、设备升级改造等工作;对一些10 kV部分有旁路母线的变电站而言,旁路代供也就成为运行人员进行代供的首选的倒闸操作方法。本文介绍了利用旁路断路器及旁路母线代供10 kV线路的不停电代供和短时停电代供两种方式,结合变电站实际接线图详细分析了两种方式的操作步骤,并提出了旁路代供易引发的事故及处理措施。 With the rapid development of society,the requirements for the reliability of power supply of the power grid are increasing rapidly,and most of the power supply bureaus of the Southern Power Grid have too weak grid structures,the 10 kV line is often powered by a single line.If it is not supplied,it will not be able to carry out maintenance and equipment upgrades without power failure;For some 10 kV substations with bypass busbars,the bypass supply has become the preferred switching operation method for the operators.This article introduces two ways of using bypass circuit breakers to supply 10 kV lines without power failure and short-term power failure.Combined with the actual wiring diagram of the substation,the operation steps of the two methods are analyzed in detail,and the easy supply process is proposed.The accident caused and the treatment measures.
作者 张成 Zhang Cheng(Yunnan Power Grid Co.,Ltd.Yuxi Power Supply Bureau,Yuxi 653100,China)
出处 《云南电力技术》 2021年第6期98-101,共4页 Yunnan Electric Power
关键词 供电可靠性 网架结构 旁路代供 倒闸操作 Power supply reliability Grid structure Bypass supply Switching operation
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