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行业动态

电能表怎么分类,电能表接线方法。

Release date: View count:224

电表电能表的简称,是用来测量电能的仪表,又称电度表,火表,电能表,千瓦小时表,指测量各种电学量的仪表。那么接下来我们一起来看看电能表的分类和准确度的基本认识。

一、电能表怎么分类:

1、按工作原理可分为机械式和电子式;

2、按电路可分为交流和直流,交流电能表按相线可分:单相电能表、三相三线电能表、三相四线电能表;

3、按用途可分为有工功率、无功功率、预付费电能表、复费率分时电能表、损耗电能表和多功能电能表等;

IC单相电子式预付费电能表

二、电能表接线方法:

对于单相电表,它有四个接线孔,分别是火进火出、零进零出,编号从左到右分别是①、②、③、④。

也就是说电源火线和零线分别接到电能表的①、③接线孔作为进线,而电表的②、④接线孔分别接火线和零线的出线,这个出线一般会先接到线路的总开关,然后再分接各种各样的负载。

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