The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
dian du biao kong zai jie neng dian lu
Author(s): 
Pages: 19
Year: Issue:  3
Journal: Family Electronics

Keyword:  单相电度表电压线圈节能电路电流线圈电源供电工作状态接零线正常使用仪表可控硅元件;
Abstract: <正> 电度表是计量电能的仪表。一般情况下,只要电源供电正常,电度表的电压线圈始终带电,处于工作状态,而与其是否带载无关,这样电度表空载时将白白消耗电能。单相电度表空载功耗约为5W,由于其使用极为广泛,其空载时浪费总电能极大,故对其进行节能改造具有很大的意义。单相电度表正常使用的接线规则是“相”进、“相”出、“零”进、“零”出,电流线圈应接相线而不能接零线,用电器负载接于电表③、⑤端。电度表空载功耗主要是
Related Articles
No related articles found