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 134
of standing double the pressure of the system sincethe only time at which they will be bright is whenthe dynamos are coupled in series and at double volt-age. 130 Operating and Testing ■ The polarity of the machines being in order, thenext step is to bring them in synchronism. There aredifferent… … Figure 87 namo, as shown. Suppose dynamo A to be runningand that B is to be put in parallel with it. By closingthe switches 1, 3 and 4, circuit is established throughthe two lamps and similar phase wires on the two ma-chines and the lamps are connected to two similarwires. If the voltage of the two…
Electrical engineering · Electric testing
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