Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 142
Fig. 9.—Cooper-Hewitt Mercury-vapour Rectifier M and N, Terminals, i, Mercury. L, Continuous-current lead. K, Reactance coil. mercury vapour and the surface of the nega-tive electrode. In order that the valve maybe continuously operating, this current mustnot be allowed to fall to zero, even for… … -jraronnnr Fig. 10.—Constant-current Mercury-arc Rectifier S, Starting resistance. A., Anodes. L, Continuous-cur-rent load, u, Starting mercury electrode, c, Cathode.R, Reactance coils. I, Transformer or Auto-transformer. two halves of the supply wave must be madeto overlap a very little. This is…
Electrical engineering
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