关于正弦交流电的相位、初相位及相位关系的教学思考

Thinking of Teach About the Alternating Current Phase Place Phase Place of the Beginning and the Relation of Phase Place

对《电工基础》教材中正弦交流电相位概念的理解,如何由波形图确定初相位,相位差的概念、表示、及相位关系的确定等进行了教学思考。

In electrician's basic teaching material,about the understanding of alternating current phase place concept of sine,How to be confirmed that thinks deeply in teaching in the bad concept of the phase place,phase place,sureness of showing and phase place relation,etc,of the beginning by the oscillogram.