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 381
arallel connections, need not be explained outside of the precedingdiagrams. For residence lighting, the most economical method of supplyis through single-phase transformers with three-wire secondaries. A tapis brought out from the middle of the secondary winding, this tap connect-ing to the middle… … Fig. 47. Arrangement of Balancing Transformer forThree-wire Secondaries. Kapp shows a modification of the three-wire circuits, in Avhich the out-side wires are fed by a single transformer, and the neutral wire is takencare of by a balancing transformer, connected up at or near the center…
Electrical engineering
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