电能表错误接线测试的方法.pdfVIP

23 10 V o l23 N o10 20 10 10 GUANGDONGELECT IC POWE Oct20 10 羽祖荫 ( 广东电网公司茂名供电局, 广东 茂名52500 0 ) : 对电能表错误接线造成的差错及影响进行了描述, 介绍了 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 : 三相电能表; 电能计量装置; 接线方式; 错误接线; 电压互感器; 电流互感器 : T M9334 : B : 10 07290X ( 20 10) Methods for Testing Wrong Wiring of Electric Energy Meter Y U Z uy in ( M ao m ing Po w er Supply Bure au o f G u angdong Po w er G rid Cor p , M ao m ing, G ua ng dong 52500 0, China) Abstract: T he e rr or s a nd imp act s ca used by w r o ng w ir ing o f ele ctric ener gy m e ter ar e descr ibed T he vecto r gr aph m etho d and hexag on ch a rt m e thod comm only use d f o r j udging w r ong w ir ing o f electric energ y m eter on site a re pre sented a lo ng w ith the f ast checking appr o ach co mbining m ulti f unctiona l m eter and ener gy m a na gem e nt sy stem u sed by M ao m ing Pow er Supply Bure au o f G uangdo ng Po w er G r id C or p T he w ay f or ca lcula ting er ro r pow er qu antity ca used by w r ong w ir ing o f elec tric energ y m e ter is a lso o ff e red Pra ctica l applica tio n s sho w th at the f ast checking appro ach combining multi f unctiona l m eter and e ne rg y m ana gem ent syste m is dep endable, ef f icient and simple Key words: thr eeph ase e lectr ic e ne rg y m ete r; elec tric energ y m e tering dev ice; w iring m ea n s; w ro ng w ir ing ; v oltage tra nsf o rm er; cur re nt tran sf o rm e r , ;