Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 383
Single Phase Mains Eeactance Coil -nrn^w^- … Fig. 426. Fig. 427. Fig. 428. Figs. 426 to 428.—The mercury-vapor converter. pie, when the arc from b is ready to strike. The current enteringc therefore never becomes zero and the high negative resistance ofthat electrode is always broken down. Before such a converter can be started, the…
Electrical engineering
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