Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 72
requency that can be used for arcor incandescent lighting without causing annoyancesthrough flickerings in light. If such frequencies wereto be produced by a bi-polar machine it would have tooperate at a speed of 3600 revolutions per minute. Asthese machines also generally operate at very… … Figure 51 multipolar, both, fields as well as armature, consistingof a number of sections. The alternating current dynamo may have its ar-mature stationary and the fields revolving; it mayhave the fields stationary and the armature revolvingor the fields and armature may both be stationary.In the…
Electrical engineering · Electric testing
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