unit3

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Across
  1. 5. Braking occurs whenever the motor has a tendency to run faster than rotating field.
  2. 7. This time must be reduced to improve the productivity.
  3. 8. These windings are used to start synchronous motor.
  4. 10. Motor has this tendency to .................. in the reverse direction.
  5. 12. Most effective braking.
  6. 14. This Motor is not self starting.
Down
  1. 1. In converter operation additional .................. of current affect the commutation.
  2. 2. This motor is started with reduced voltage method.
  3. 3. Low frequency starting can be employed if the motor is fed from a .................. Converter.
  4. 4. Heavy dips of the voltage occurs during ..................
  5. 6. In DC machines, the starting current must be limited for good ..................
  6. 9. Processes involved with starting of the drive.
  7. 11. Starting torque must produce .................. acceleration.
  8. 13. Braking employed where K.E. of rotating parts is dissipated in an external Resistance.
  9. 15. High starting current .................. the motor.
  10. 16. In DC Machines, high starting current produces at the brushes.