International Library of Technology · Scranton, International Textbook Co. · leaf 144
arts as the dynamo, namely,field-magnet, and armature with its commutator, brushholders, etc. MOTOR DESIGN. 2519 ACTION OF MOTOR.3779. It is necessary to consider carefully the forcesacting in a motor, in order to understand clearly the behaviorof different kinds ofmotors when oper-ated under given… … Fig. 1408. Suppose the arrows. Fig. 1408, represent magnetic lines of force flowing between the pole faces of the magnetN S, and let a rep-resent the cross-sec-tion of a wire lyingat right angles to thelines. So long asno current flowsFig. 1409. through the wire, the field will not be distorted,…
Electrical engineering
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