复杂潮流工况下智能电能表计量异常的原因分析与防范策略  

Causes and Countermeasures of Measurement Anomalies of Smart Electric Meters Under Complex Power Flow Conditions

作　　者：曾鸣钟 叶玲 谭涛 饶玉南 常仕亮 何兴海 ZENG Mingzhong;YE Ling;TAN Tao;RAO Yunan;CHANG Shiliang;HE Xinghai(State Grid Chongqing Electric Power Company Beibei Power Supply Company,Chongqing 400700,China;State Grid Chongqing Electric Power Company Shibei Power Supply Company,Chongqing 401121,China;State Grid Chongqing Electric Power Company Marketing Service Center(Metrology Center),Chongqing 401123,China)

机构地区：[1]国网重庆市电力公司北碚供电分公司,重庆400700 [2]国网重庆市电力公司市北供电分公司,重庆401121 [3]国网重庆市电力公司营销服务中心,重庆401123

出　　处：《电工技术》2024年第6期147-150,共4页Electric Engineering

摘　　要：某10 kV高压专变用户采用三相三线制高供高计计量方式,装表时A相电流互感器反接,造成计量差错。以此计量故障为案例,依据用电信息采集系统采集数据进行分析,通过更正系数计算退补电量,并从管理及技术方面提出相应防范措施,保证计量准确、可靠。A 10 kV user adopts three-phase three-line system high supply meter.Due to the wrong wiring of the staff,the A-phase current transformer is inversely connected,resulting in measurement error of the electricity meter.This paper takes this measurement failure as a case,analyzes data from the electricity information collection system,and determines the compensation electricity through the correction coefficient.The corresponding preventive measures are also put forward from the aspects of management and technology to ensure accurate and reliable measurement.

关 键 词：三相三线 错误接线 电量差错 防范措施 

分 类 号：TM933[电气工程—电力电子与电力传动]