Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 340
h, running as a motor, takes powerfrom the source of supply and drives the other machine as a gen-erator; this latter machine is wound for the desired voltage. If 10 kw. at 220 volts is required from a 110 volt line then:the generator output = 10 kw. at 220 volts the motor output = jar X cTqq = 15… … Fig. 373.—Booster motor-generator set. this case is connected in series with the line and its voltage canadd to or subtract from the line voltage. If 10 kw. at 220 volts is required from a 110 volt line and a booster setis used then:the booster output = EI, Fig.373 = 5 kw. at 110 volts 5 X 1000 1…
Electrical engineering
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