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- · New York, T. Audel · leaf 100
rebyshort circuiting them, and the r^Br then operates on the induction principle. Ques. What are high resistance connectors? Ans. The connectors between the armature winding and thecommutator bars, as shown in fig. 1.SS5. 1,358 HAWKINS ELECTRICITY Ques. Does the added resistance of preventive… … HIGH RESISTANCECONNECTORS Fig. 1.SS5.—Section of ring armature of commutator motor showing local current set up bytransformer action of the alternating flux. Ques. What is the objection to reducing the number ofturns of the short circuited coils to diminish the tend-ency to sparking? Ans. The cost…
Electrical engineering
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