一种变压器联结组别的切换与显示电路  

A Switching and Display Circuit for Transformer Connection Group

作　　者：洪贞贤 HONG Zhenxian(Foshan Power Supply Bureau of Guangdong Power Grid Corporation,Foshan 528000)

机构地区：[1]广东电网有限责任公司佛山供电局,广东佛山528000

出　　处：《电力安全技术》2021年第7期65-67,共3页Electric Safety Technology

摘　　要：介绍了利用三只切换开关的组合,方便地改变三相变压器的联结组别,并且能够通过自动装置显示当前的组别的电路,该电路特别适合作为三相变压器培训模型,用于联结组别及相量图方面的培训。This paper introduces the circuit which can easily change the connection group of three-phase transformer by using the combination of three change-over switches,and display the current group by automatic device.This circuit is especially suitable for training model of three-phase transformer in connection group and phasor diagram.

关 键 词：三相变压器 联结组别 相量图 

分 类 号：TM4[电气工程—电器]