一起变压器有载分接开关油流继电器误动分析与改进措施  

Analysis and Improvement Measures for Misoperation of Oil Flow Relay in Transformer On-load Tap Changer

作　　者：冯玉辉 高超 杨中卿 李乾 宋兵 高二亚 FENG Yu-hui;GAO Chao;YANG Zhong-qing;LI Qian;SONG Bing;GAO Er-ya(China General Nuclear Power Group China Nuclear Power Operations Co.,Ltd.,Shenzhen 518124,China;China General Nuclear Power Group Suzhou Thermal Research Institute Co.,Ltd.,Suzhou 215004,China)

机构地区：[1]中广核集团中广核核电运营有限公司,广东深圳518124 [2]中广核集团苏州热工研究院有限公司,江苏苏州215004

出　　处：《变压器》2023年第11期59-63,共5页Transformer

摘　　要：有载分接开关油流保护是变压器主保护之一,其正确动作对变压器的安全可靠运行至关重要。本文介绍了一起变压器有载分接开关油流继电器误动作导致核电机组停机停堆的案例,对故障原因进行了分析,并提出预防油流继电器、气体继电器误动的改进措施。The oil flow protection of on load tap changer is one of the main protections of transformers,and its correct operation is crucial for the safe and reliable operation of transformers.This article introduces a case of a nuclear power unit shutdown caused by the malfunction of the oil flow relay of the transformer on load tap changer,analyzes the cause of the fault,and proposes improvement measures to prevent the malfunction of the oil flow relay and gas relay.

关 键 词：变压器 油流继电器 干簧管 改进措施 

分 类 号：TM406[电气工程—电器]