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本文从电磁场基本方程(麦克斯韦方程)的相量形式出发引入了正弦电磁场的一组新的电磁位——向量电位(电向量位)·/T和标量磁位(磁标量位)Ω;进一步运用向量分析法则推出了用·/T,Ω表示的涡流场方程;分析了涡流场方程的规范化问题,讨论了不同媒质分界面上的衔接条件,给出了·/T向量的某些重要性质;最后,以导体板中的涡流场为例介绍了一维、二维涡流场的解析解法.
This paper introduces a new set of electromagnetic bits in the sinusoidal electromagnetic field from the phasor form of the electromagnetic field basic equation (Maxwell’s equation): vector potential (electrical vector bit)/T and scalar magnetic bit (magnetic scalar bit) Ω; further application The vector analysis method introduced the eddy current field equation expressed by ·/T, Ω; analyzed the normalization problem of the eddy field equation, discussed the convergence conditions on the interfaces of different media, and given some important properties of the / T vector. Finally, the eddy current field in the conductor plate is used as an example to introduce the analytical solutions of one-dimensional and two-dimensional eddy current fields.