Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 145
H o CALCULATIONS 113 Fig. 137 represents a six-pole duplex doubly re-entrant warewinding, consisting of 64 inductors, having a front pitch of + 9.a back pitch of + 11, and a commutator pitch of 10. The averagepitch is 10, and there are four paths in parallel through the armature.Nevertheless, only… … Fig. 137. Sis-Pole Doubly Re-entrant Wave Winding In Fig. 138 we have a six-pole drum duplex wave winding,with a back pitch of 11, a front pitch of 9, an average pitch of 10and a commutator pitch of 10. It has two paths in parallelthrough the armature; and although only two brushes are required,six…
Electrical engineering
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