Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 114
Fig. 161.—Three-phase synchronous motor.Stationary field. Fig. 162.—Three-phase synchronous motor.Revolving field. … ToAioCo/ Fig. 163.—Connections of an auto-transformer used for starting a three-phase synchronous motor.
Electric wiring
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