电能表错误接线测试的方法

Methods for Testing Wrong Wiring of Electric Energy Meter

对电能表错误接线造成的差错及影响进行了描述,介绍了现场对电能表错误接线判别的常用的相量图法和六角图法,以及广东电网公司茂名供电局实际工作中运用的多功能表与能量管理系统相结合的快速检查法,同时给出了电能表因错误接线产生的差错电量的计算方法。实际应用表明,多功能表与能量管理系统相结合的快速检查法具有可靠、快速简捷的效果。

The errors and impacts caused by wrong wiring of electric energy meter are described.The vectorgraph method and hexagon chart method commonly used for judging wrong wiring of electric energy meter on site are presented along with the fast checking approach combining multi-functional meter and energy management system used by Maoming Power Supply Bureau of Guangdong Power Grid Corp.The way for calculating error power quantity caused by wrong wiring of electric energy meter is also offered.Practical applications show that the fast checking approach combining multi-functional meter and energy management system is dependable,efficient and simple.