Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 178
e generatorwill be given by the formula V = E-I,.R„and that of the motor by the formula V = E + I,.R^. 56. Three-wire Dynamos 163 As the generator is connected across the more heavily loaded side, thisside will have the lower pressure. The difference can be diminished byexciting each machine of the… … Fig. 145 motor would be decreased. The same result can be obtained by passing the•middle-wire current round a few series-turns on the fields of each machine.A simple and interesting method of obtaining a middle point is that dueto Dolivo-Dobrowolsky (Fig. 145). Two points of the winding,…
Electrical engineering
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