Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 392
e the same frequency when the numbers of alterna-tions, or reversals of their E. M. F.s in a given time areequal. This condition will be fulfilled when the productof the number of poles by the revolutions per minute foreach machine is the same. The two machines will havethe same phase when the… … Fig. 181. Lamp Method of Synchronizing. generator to which it is to be connected, the rotary con-verter must have approximately the same voltage as thegenerator as measured by a voltmeter. The operation of synchronizing a rotary converter witha generator consists in bringing the rotary converter…
Electricity
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