Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 369
three-phase startingcompensator in the lower partof which is a cylinder switchfor making the successive con-nections above mentioned.Figure 265 is a diagram ofconnections of a three-phasecompensator in which one in-termediate voltage is providedfor. To start the motor,switch 5 is closed, and… … Three-phase Starting Compensator.Fig. 264. THE INDUCTION MOTOR. 361 connecting the full supply voltage to the motor, and then switch5 is opened, leaving the compensator entirely disconnected.The trip coils actuate a triggerwhich opens a circuit breakerif the current exceeds a pre-scribed value.
Dynamos · Electric motors
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