The normalized formulas for the calculations of mutual inductance of two rectangular coils arranged in plane-symmetry are derived. Numerical calculations are carried out by an electronic computer and the tables are presented. With these tables, mutual inductance is calculated through a simple procedure. In this paper, it is assumed that the conductors are of circular cross-section and that the current is concentrated along the axis of the conductor. Both the proximity effect and the skin effect are neglected.
steel bridge
erection method
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