Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 78
are in A, orvice versa. The voltage re-lation may best be determined from vector diagrams, as shown inFig. 31, which give the voltage relation of step-down transformers witha ratio of 10:1, when the voltage across the primary lines is 1,000. Changes from two to three phases, or from three to two… … Six-Phase Y Circuit for Transformer withTwo Secondaries 63 54 POWER TRANSMISSION spending vector diagram showing the relations when the changeis from two phases to three phases with a 10:1 transformation ofvoltage. The main transformer is fitted with a tap at the middlepoint of the secondar}^…
Electrical engineering
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