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 142
armature. On the other hand, a simplex wave 121 112 DIRECT-CURRENT DYNAMOS winding always gives 2 paths through the armature, irrespectiveof the number of poles. It is seen, therefore, from the fundamental formula for the e. m. f.of a dynamo, that, for a given number of armature inductors, a… … Fig. 138. Six-Pole Drum Simplex Singly Re-entrant Wave Winding Fig. 136 illustrates a six-pole drum simplex singly re-entrantwave winding of 62 inductors. It has a front pitch of +11, and aback pitch of +9, that is, the front and back pitches are unequal,giving an average pitch of 10, and also a…
Electrical engineering
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