配网临时挂接地线接地电阻检测试验研究  

Detection and Experimental Study for Grounding Resistance of Distribution Network Temporary Hanging Grounding Wires

作　　者：程乐峰 姜静[1] 陈亮 殷林飞[1] 余涛[1] CHENG Le-feng;JIANG Jing;CHEN Liang;YIN Lin-fei;YU Tao(Electric Power College, South China University of Technology, Guangzhou, Guangdong 510640, China;Zhaoqing Power Supply Bureau of Guangdong Power Grid Co., Ltd, Zhaoqing, Guangdong 526060, China)

机构地区：[1]华南理工大学电力学院,广东广州510640 [2]广东电网有限责任公司肇庆供电局,广东肇庆526060

出　　处：《新型工业化》2016年第6期1-10,共10页The Journal of New Industrialization

基　　金：中国南方电网科技项目资助(K-GD2014-204);国家自然科学基金项目(51177051;51477055)

摘　　要：利用法国CA6415和美国Fluke1625等电阻检测仪对配网临时挂接地线接地电阻进行了测试研究,并对接地电阻的影响进行了试验验证。测试研究包括两个方面,一是对感应电压进行了测试,并对抑制感应电压的措施进行了试验验证;二是对感应电压注入测量法进行了现场试验验证。试验表明在输电线路回路中不存在干扰的情况下,感应电压注入测量法是可行的,但易受强电磁干扰和复杂的电磁环境影响。最后,给出了四种接地线检测方案,并对各方案进行了比较,最终认为采用直接信号注入式的方案可有效检测接地线的接地状态。The CA6415 from France and Fluke1625 from America were used to implement experimental studyon temporary hanging grounding wire resistance in distribution network, and the influences of grounding resistance wereexperimentally verified. The experimental study included two aspects, one is to test the induced voltage, and verified themeasures to control induced voltage; the other is to finish field experimental verification on the induced voltage injectionmeasuring method. The tests show that this method is feasible when no disturbances exist in transmission lines, but is easilyinfluenced by the strong electromagnetic interference and complex electromagnetic environment. Finally, four grounding wiremeasuring schemes are given and compared and finally think that it can effectively judge the grounding wire status via the directsignal injection scheme.

关 键 词：接地线 接地电阻仪 感应电压注入法 直接注入法 检测 

分 类 号：TM862[电气工程—高电压与绝缘技术]