Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 429
or connected to the line and to the ground. Figure 310 shows twopairs of these arresters connected to two pairs of feeders andanother pair connected to the generator mains in a station. The multi-gap non-arcing- arrester.—The electric arc seems todepend upon a stream or blast of vapor-like material… … -W ^m^ Fig. 31 the negative blast must be established on the opposite electrode,and to do this requires an excessively high voltage if the elec-trodes are zinc or cadmium, or alloys which contain zinc or cad- SWITCHBOARDS AND SWITCHBOARD APPLIANCES. 421 mium. Therefore it requires a very high…
Dynamos · Electric motors
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