Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 40
fig. 277. Itshould be noted, however, that these two circuits do not takeequal shares of the current since, though the sum of the electro-motive forces in each circuit is the same, the resistance of oneis three times that of the other, giving 90 amperes in one and 30amperes in the other, as… … Fig. 276.—Distribution of armature currents in a four pole lap wound dynamo having fourbrushes and generating 120 amperes. Ques. Are more than two brushes ever used with wavewinding? Ans. It is sometimes advisable to use more than two brusheswith wave windings, especially when the current is very…
Electrical engineering
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