自恢复式过欠压保护器原理及动作特性试验电路分析  

Analysis of Operation Principle and Action Characteristic Test Circuit of Overvoltage/Undervoltage Protective Device with Auto-Reclosing Function

作　　者：钱金川[1] QIAN Jin-chuan(Zhejiang Taihua Electric Appliance Co.,Ltd,Wenzhou 325604,China)

机构地区：[1]浙江泰华电器有限公司,浙江温州325604

出　　处：《电工电气》2020年第5期56-60,共5页Electrotechnics Electric

摘　　要：自恢复式过欠压保护器(OUPA)是近来电器保护器新增类别。介绍了OUPA的分类,并从OUPA的工作原理框图、过欠压值的设定、动作特性试验电路以及使用注意事项等方面进行了详细的阐述,指出从市场需求看,不仅有过欠压保护且还具有过流保护的OUPA,在用电保护方面的应用前景将愈发广泛。The overvoltage/undervoltage protective device with auto-reclosing function (OUPA) is a new type of electrical protector recently.This article introduces the classification of protectors OUPA,and elaborates in detail from the working principle block diagram of OUPA,the setting of overvoltage and undervoltage values,the operating characteristic test circuit,and precautions for use.The article points out that from the perspective of market demand,OUPA not only has over-and under-voltage protection,but also has over-current protection,and its application prospects in power protection will become more extensive.

关 键 词：自恢复式过欠压保护器 动作特性 特性试验 

分 类 号：TM588.1[电气工程—电器]