Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 199
added to that of the main generators. To chargethe battery in Fig. 191, the switches must be thrown over intoposition Si and then, if the generated voltage is 110 and the maxi-mum voltage on charge is 160, the booster has to supply 50 volts. The booster is generally driven by a constant speed motor… … Fig. 192.—Large end cell switch. When the battery is fully charged, the double throw switchis thrown over into the position shown in Fig. 191 so as to connectthe battery directly across the mains, the discharge voltage is 1800 1600 1400 1200 »1000 800 600 400 200 M A EDis< atteryharge 1 /…
Electrical engineering
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