接地变压器核相时快速调整高压侧相序的有效方法  

An Effective Method to Adjust Phase Sequence of High Voltage Side Quickly While Checking Phase Sequence of Grounding Transformer

作　　者：赵忠云 刘培欣 马建腾 庄雷 周芳 郑炜 ZHAO Zhong-yun;LIU Pei-xin;MA Jian-teng;ZHUANG Lei;ZHOU Fang;ZHENG Wei(Tianjin Huaneng Transformer Co.,Ltd.,Tianjin 301600,China)

机构地区：[1]天津华能变压器有限公司,天津301600

出　　处：《变压器》2020年第8期1-7,共7页Transformer

摘　　要：利用相量图,分析推导了接地变压器并联前,高压侧相序四种类型十二种情况下两接地变压器低压电压之间的变化规律,阐述了接地变压器高压侧相序与特征值的对应关系,并通过试验验证了其正确性。Based on the phasor diagram,the variation law of the voltage of low voltage side between two grounding transformers is analyzed and deduced under 12 cases of high voltage side phase sequence condition before parallel connection.The corresponding relation between phase sequence and characteristic value of high voltage side of grounding transformer is expounded,and its correctness is verified by test.

关 键 词：接地变压器 接线方式 相量图 相序 

分 类 号：TM401+.1[电气工程—电器]