Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 282
he end of a transmission line, find the current in the line andalso the generator capacity required if the average power factor is 80 percent, and the average efficiency is 90 per cent. (The induction motor, seeChap. 36, takes a lagging current, and its power factor cannot be controlled.) The… … B Fig. 297. If 500 horse-power of the load is driven by a synchronous motor, the powerfactor of the whole system may be raised if this motor is overexcited and madeto act as a condenser. If the power factor of the synchronous motor be made 80 per cent., withthe current leading, then the vector…
Electrical engineering
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