Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 102
nections must therefore be reversed sothat the current passes through the seriescoils in the proper direction. d. Since the compounding effect of theseries coils is too large, it will be necessaryto reduce the number of series turns or toreduce the current flowing through these turns. The latter… … Fig. 102.—Series shunt tovary the series excitation. CHAPTER XIVTHEORY OF OPERATION OF DIRECT-CURRENT MOTORS 86. Driving Force of a Motor.—An electric generator and anelectric motor are identical in structure. The geneiator is usedto transform mechanical energy into electrical energy, while thesame…
Electrical engineering
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