Author(s): WEI Luqiang
Pages: 49-50
Year: 2001 Issue:  2
Journal: Journal of Pingdingshan Teachers College
Keyword:  电能表;  相量图;  简演;
Abstract: 根据中等专业学生所具备的初级电磁学知识 ,得出了 4个结论 ,并由此推演出了电能表的原理相量图