1000 kV特高压调压补偿变压器运行及调试分析  

Analysis on Operation and Debugging of 1000 kV UHV Voltage Regulating and Compensating Transformer

作　　者：张振伟 ZHANG Zhenwei(State Grid East Inner Mongolia Maintenance Company,Tongliao 028000,China)

机构地区：[1]国网内蒙古东部电力有限公司检修分公司,内蒙古通辽028000

出　　处：《内蒙古电力技术》2021年第S01期21-26,共6页Inner Mongolia Electric Power

摘　　要：介绍了特高压锡盟站调压补偿变压器的优点,比较了调压补偿变压器的两种调压方式。基于调压补偿变压器差动保护的配置、原理和保护调试方法,利用正常运行时调压补偿变压器保护装置的采样数据进行计算,分析了电流互感器二次侧电流极性错误时保护的动作情况,强调了极性对于保护装置的重要性及保护装置参数中保护定值务必正确的重要性,为特高压变电站主变压器的调试、运维提供经验借鉴。The advantages of voltage regulating and compensating transformer in UHV Ximeng converter station are introduced,and two voltage regulating methods of voltage regulating and compensating transformer are compared.Based on the configuration,the principle and debugging method of the differential protection of the voltage regulating and compensating transformer,the sampling data of the voltage regulating and compensating transformer protection device during normal operation is used for calculation,and the current transformer secondary side current polarity error protection action situation is analyzed.The paper also emphasized the importance of polarity for protection device and the importance of the protection setting values in the protection device parameters must be correct,which provides experience for the debugging,operation and maintenance of the main transformer of UHV substations.

关 键 词：特高压变电站 中性点变磁通 无励磁调压 电流差动保护 电流极性 

分 类 号：TM423[电气工程—电器]