一起换流变压器油箱局部过热分析与维修  

Analysis and Maintenance of Partial Overheat of a Converter Transformer Oil Tank

作　　者：许巧云 王渝淇 杜文娇 殷江 陈红日 熊紫兰[2] XU Qiao-yun;WANG Yu-qi;DU Wen-jiao;YIN Jiang;CHEN Hong-ri;XIONG Zi-lan(Jiangmen Power Supply Bureau,Guangdong Power Grid Company,Jiangmen 529030,China;State Key Laboratory of Advanced Electromagnetic Engineering and Technology,Huazhong University of Science and Technology,Wuhan 430074,China;Wuhan NARI Limited Liability Company of State Grid Electric Power Research Institute,Wuhan 430074,China)

机构地区：[1]广东电网有限责任公司江门供电局,广东江门529030 [2]华中科技大学强电磁工程与新技术国家重点实验室,湖北武汉430074 [3]国网电力科学研究院武汉南瑞有限责任公司,湖北武汉430074

出　　处：《变压器》2021年第7期83-87,共5页Transformer

基　　金：中国南方电网有限责任公司科研项目:GDKJXM20184425(030700KK52180140)。

摘　　要：对一起换流变压器油箱局部过热现象进行了分析,详细介绍了故障概况、试验结果及分析过程,通过有限元仿真换流变压器的漏磁场分布情况,验证了故障分析的正确性,并提供了改进方案。The partial overheat phenomenon of a converter transformer oil tank is analyzed.The fault phenomenon,testing results and analysis process are introduced in detail.The leakage magnetic field distribution of the converter transformer is calculated through finite element method,the accuracy of the fault analysis is verified.The improvement plan is provided.

关 键 词：换流变压器 局部过热 调压引线 漏磁 仿真分析 

分 类 号：TM406[电气工程—电器]