基于负载性质和功率方向的复杂错误接线快速判断方法  

A Method for Complex Incorrect Wiring Fast JudgingBased on Load Nature and Power Direction

作　　者：谭涛 常仕亮 谢良红 牟攀 赵翊丞 TAN Tao;CHANG Shiliang;XIE Lianghong;MOU Pan;ZHAO Yicheng(State Grid Chongqing Elctric Power Company Shibei Power Supply Branch,Chongqing 401123,China;State Grid Chongqing Elctric Power Company Marketing Service Center,Chongqing 401123,China;State Grid Chongqing Electric Power Company Shinan Power Supply Branch,Chongqing 400000,China;State Gnd Chongqing Electric Power Company Wanzhou Power Supply Branch,Chongqing 404100,China;State Grid Chongqing Flectric Power Company Wushan Power Supply Branch,Chongqing 404700,China)

机构地区：[1]国网重庆市电力公司市北供电分公司,重庆401123 [2]国网重庆市电力公司营销服务中心,重庆401123 [3]国网重庆市电力公司市南供电分公司,重庆400000 [4]国网重庆市电力公司万州供电分公司,重庆404100 [5]国网重庆市电力公司巫山供电分公司,重庆404700

出　　处：《电工技术》2023年第3期151-153,157,共4页Electric Engineering

摘　　要：通过一起10 kV高供高计专变客户三相三线电能计量装置接线错误,导致智能电能表电流、功率、功率因数、有功电量、无功电量等计量参数异常的实际案例,运用采集系统曲线数据,结合负载性质和现场测试情况,推导出一种通用、快速、准确的错接线分析判断方法,并从技术措施、管理机制两方面提出了错误接线的防范措施。A wiring error of the three-phase three wire energy metering device of the 10 kV high supply high metering special variable customer led to abnormal measurement parameters such as current,power,power factor,active power,and reactive power of the smart energy meter.Based on the collcted system curve data,combined with the load properties and field test conditions,a general,fast and accurate analysis and judgment method of wrong wiring is derived.The preventive measures against wrong wiring are proposed from two aspects of technical measures and management mechanism.

关 键 词：负电流 容性负载 功率方向 电量差错 

分 类 号：TM930[电气工程—电力电子与电力传动]