Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 496
rt circuiting one of the motors when changingfrom series to parallel connection. Type Ii Con*rollers are also of the series-parallel type, but com-pletely open the power circuit when changing from series to parallel. Type B Controllers may be either the series-parallel or rheostatictype, but always… … Fig. 37. R Type of Rheostatic Controller. Rheostatic Controllers. It 11 Controller. Designed for one 50 h.p. motor. Can be wired for use with motors using either shunted or full field. Total number of notches, six. (The Rll controller has been known as the KR controller.) R 13 Controller. Designed…
Electrical engineering
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