International Library of Technology · Scranton, International Textbook Co. · leaf 427
equal length, so that anychange in the position of the commutator would only resultin shortening one connection and lengthening the other. 31 Ol. This new arrangement is still open to the objec-tion of having too few coils, but it will be evident from aninspection of Fig. 1159 that to increase the… … Fig. 1160. same windings as Fig. 1159, with four new coils C, C, D,and D inserted in each. In the case of the ring windingthe commutator and brushes have been turned to the left tobring the segments to which a coil is connected directlyopposite the coil. In the drum winding the position of…
Electrical engineering
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