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 383
Fig. 57. Changing Quar-ter-phase to Three-phase. All Step-upTransformers Inter- changeable. Fig. 58. Changing Quarter-phase to Three-phase, andback to Quarter-phase. AllTransformers Interchangea-ble. Three-T»lsase to Six-Phase Connections. A rotary converter wound for six-phase has a greater…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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