At Back Endīrush positions can be located by determining the direction of currents flowing in the various coil sides. The coil sides are connected according to table of the end connections below. Thus a table can be made indicating the way in which various coil sides will be connected. Now repeat the process, according to which 3rd coil side will be connected to 10th coil side at the back and 10th coil side will be connected to 5th coil side at the next commutator segment.įigure 1: Equivalent Ring or Spiral Winding In order to get the coil side to which 8th coil side is to be connected on the front of commutator side of the winding, deduct front pitch from it, and, therefore, 8th coil side will be connected to the 8 – 5 = 3rd coil at the front or commutator end.
So first coil side will be connected to the 1 + 7=8th coil side at the back by means of end connections. In order to get the coil side to which the 1st coil side is to be connected at the back, add back pitch to it.
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