Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 333
owered, and the contact Im is closed, so that coil Y isnow excited from the points 5 and 7 and the switch B is thereforeheld closed independently of the plunger of coil u. The contactnp is closed at the same instant by the lower interlock disc andthe excited part of line b is thereby extended as… … CHAPTER XXXVIIISINGLE-PHASE MOTORS 337. Single-phase Induction Motors.—If one of the phases of atwo-phase induction motor is opened while the motor is running,the machine will continue to rotate and carry the load. A two-pole single-phase inductionmotor at standstill is shown diagram-matically in…
Electrical engineering
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