特高压变压器冷却器电源回路分析  

Analysis of Power Supply Circuit of UHV Transformer Cooler

作　　者：徐刚 刘学权 吴兴泉 张军 史贤悦 XU Gang;LIU Xue-quan;WU Xing-quan;ZHANG Jun;SHI Xian-yue(State Grid Jiangsu Electric Power Co.,Ltd.Maintenance Branch Company,Nanjing 211102,China)

机构地区：[1]国网江苏省电力有限公司检修分公司,江苏南京211102

出　　处：《电工电气》2021年第10期39-43,共5页Electrotechnics Electric

摘　　要：主变的冷却系统好坏直接关系到特高压电网的安全运行。对常规的强迫油循环冷却系统电源回路进行分析,提出了存在的问题,在此基础上分析了某特高压变压器冷却系统电源回路,指出了其冷却系统电源回路的优点及不足,并给出了改进措施,为变压器冷却系统的安全稳定运行提供参考。The cooling system of the main transformer is directly related to the safe operation of the UHV power grid.This paper analyzed the power circuit of the conventional forced oil circulation cooling system and put forward the existing problems.It analyzed the power circuit of a UHV transformer cooling system.This work indicates the pros and cons of the power circuit of the cooling system.Moreover,it gives the solutions to problems.This research provides a reference for the safe and stable operation of the transformer cooling system.

关 键 词：变压器 变电站 冷却系统 电源切换 故障信号 公共回路 

分 类 号：TM403[电气工程—电器]