Inside Out Library
Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 77
Phase ATransformer No. 1 Phase BTransformer No. 2 … D.C. S Wire System (jJJJJijyJ Series FieldMiddle or Neutral Wire—^ *- __p^^nseries_^ld Commutator Fig. 106.—Two-phase four-wire transformer connections for synchronous converter operating on a three-wire system. Cases CaseC_ ^ OthermseaiCaseA^T/ininel Otherwise 03 CastiW^TftPonmJ…Electric wiring
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