Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 198
e charge of the all-night load.To maintain the pressure on the lamps, the switch-arm will have to bemoved over gradually from left to right. The number of regulating cells required with this arrangement can befound from the fact that the pressure of a cell at the commencement ofdischarge is about 2… … y^ 0—\ L WWWWN mm :f •<■ -A :< ;: Fig. 167 Fig. 168 must be increased to iio/i-8 = 60. We see, therefore, that about 10 percent, of the battery must be connected up to the battery switch. The above plan of disconnecting the external circuit while charging thebattery, will hardly be…
Electrical engineering
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