220 kV某站10 kV开关拒动故障中线圈异常问题分析
Analysis of Coil Abnormality in Failure of 10 kV Switch at 220 kV Substation
DOI: 10.12677/JEE.2018.62017, PDF,    科研立项经费支持
作者: 潘 靖, 肖静薇, 金 晶：广东电网有限责任公司汕头供电局，广东 汕头；詹 隽：武汉大学电气工程学院，湖北 武汉
关键词: 断路器线圈；故障录波图；保护动作时序图；故障分析；线圈烧毁；Breaker Coil； Fault Recorder； Protection Action Diagram； Fault Analysis； Coil Burned
摘要: 针对220 KV变电站发生的10 kV开关拒动故障，该文基于线路保护测控装置数据以及故障录波图，分别建立了保护动作时序图和故障发生时序图，完整还原了整个事故发生的经过以及各个保护装置动作和设备响应的时间点；通过对变电站的现场排查和检修，最终确定事故是由于线圈烧毁造成的；通过对线圈结构以及工作原理的分析，讨论了可能导致线圈烧毁的内部因素和外部因素，对防止线圈烧毁具有一定参考价值
Abstract: The protection operation sequence diagram and the fault sequence diagram were established respectively based on the data of the line protection monitoring and control device and the fault record diagram, which was aimed at a 10 kV switch refusing operation fault that occurred in a 220 KV substation. It completely restored the whole accident and the time points of each protection device action and equipment response. Through on-site investigation and maintenance of the substation, it was finally determined that the accident was caused by the burning of the coil. Through the analysis of the coil structure and working principle, the internal and external factors that may cause the coil to burn out were discussed, which has certain reference values for preventing the coil from burning down.
文章引用：潘靖, 詹隽, 肖静薇, 金晶. 220 kV某站10 kV开关拒动故障中线圈异常问题分析[J]. 电气工程, 2018, 6(2): 149-159. https://doi.org/10.12677/JEE.2018.62017

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