基于正交分解器的介质损耗角测试仪的设计  

The design of measuring instrument of dielectric loss angle based on vector multiplier

作　　者：郭松林[1] 朱金玲[2] 

机构地区：[1]黑龙江科技学院电气信息学院,哈尔滨150027 [2]哈尔滨广播电视大学 哈尔滨,哈尔滨150001

出　　处：《电测与仪表》2008年第5期26-29,共4页Electrical Measurement & Instrumentation

基　　金：黑龙江省教育厅科研基金资助项目(11511340);黑龙江科技学院引进高程次人才启动基金资助项目(07-20)

摘　　要：提出了一种通过对电容型高压电力设备接地漏电流进行正交分解,测量其介质损耗角tanδ的方法。根据此种测量方法设计了介质损耗角tanδ的测试仪。文中介绍了测量原理框图及主要组成部分的硬件电路设计。给出了测试仪器的实验电路及仪器的测试数据。A method for measuring dielectric loss angle tanδ is advanced.The measuring method is realized through decomposing orthogonally the earth current of the high voltage power equipment.A measuring instrument based on the measuring method is designed.The functional block diagram of real-time measurement and the primary hardware circuit are introduced.And the experiment circuit of tester performance and test data of the instrument are given out.

关 键 词：测量方法 介质损耗角 正交分解器 D/A转换器 

分 类 号：TM835[电气工程—高电压与绝缘技术]