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The brief introduction of coupling inductance

Source: Notetime: 2012-09-26 11:18:50 click: 2339

  Bauer coupling inductance is the idealized circuit model that is abstracted from the actual coupling coil, and it is a linear time-invariant dual-port element, and it is characterized by L1, L2 and M three parameters. Bauer coupling inductor voltage-current relationship is a differential relationship, which is a dynamic circuit element.

  Bauer coupling inductance in series is connected in sequence and reverse connection. Sequent connection is to make the L1 and L2 a synonym connection, current I are from the homonymous ends into the direction of the magnetic field, and mutually reinforcing the same. This formula indicates that the coupled inductor connected in series with one port network, on the port characteristics, equivalent to an inductance value for ' =L1+L2+2M L two end of the inductor.

  Reverse connection is to make the L1 and L2 homonymous ends connected, current I inflow from L1 marked end, then outflow from L2 marked end, opposite directions of magnetic field weakening and mutual. This formula indicates that the coupled inductors connected in reverse series one-port network, on the port characteristics, equivalent to an inductance value of L " =L1+L2-2M two terminal inductance.

from:http://www.bauercoupling.com/newsd-nid-35.html