a. the round part of the rotating field. b. wound with wire. c. usually round on large machines. d. the part of the generator that holds the armature in place. 7. In self-excited DC generators, initial field excitation is produced by a. current in the coils. b. moving the field. c. magnetic flux. d. residual magnetism. 8. DC generators and motors have a. one pole. b. two poles. c. pairs of poles. d. four poles. 9. To reestablish the magnetic field of a generator where the magnetic field has been lost, you must a. run the generator above rated speed. b. reverse the connections to the shunt field. wwwmmm c. apply DC to the shunt field coils. d. attach a permanent magnet to the armature. wwwwwww

a. the round part of the rotating field. b. wound with wire. c. usually round on large machines. d. the part of the generator that holds the armature in place. 7. In self-excited DC generators, initial field excitation is produced by a. current in the coils. b. moving the field. c. magnetic flux. d. residual magnetism. 8. DC generators and motors have a. one pole. b. two poles. c. pairs of poles. d. four poles. 9. To reestablish the magnetic field of a generator where the magnetic field has been lost, you must a. run the generator above rated speed. b. reverse the connections to the shunt field. wwwmmm c. apply DC to the shunt field coils. d. attach a permanent magnet to the armature. wwwwwww

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.18MCQ

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Similar questions

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