Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 143
d the Operation of Alternators 141 machine which was running faster, decrease in speedand run slower than the other machine, the pointerwould revolve at a slower rate and finally run in thereverse direction. When the machines are running atexactly the same speed, the pointer will come to rest.If… … Figure 92 Synchronizing lamps are often used in connectionwith synchronizers. If the difference in speed be-tween two generators is great, the instruments do notalways indicate right, and for this reason the synchro-nization is started with the lamps and finished off withthe instrument. In…
Electrical engineering · Electric testing
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