Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 344
irect-current sideof the machine without changing the alternating applied voltage.A change in the field excitation for example does not change theapplied voltage, but it does change the phase angle of the currentthe converter takes from the line, see page 256, and a convertercan be used for power… … Synchronous Motor Direct Current Generator Fig. 381.
Electrical engineering
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