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EX-802 (C) · SCADA Systems & Applications/Unsolved PYQ Paper

EX-802 (C) SCADA Systems & Applications - May 2023 Question Paper

  1. 7 Marks
    aList the important features of stepper motor.
  2. 7 Marks
    bDiscuss Speed control methods of Stepper Motor.
  3. 7 Marks
    aBriefly describe how to control load angle in Stepper Motor.
  4. 7 Marks
    bA hybrid variable reluctance motor has 8 main poles which have been castellated to have 5 teeth. Calculate the stepping angle if rotor has 50 teeth.
  5. 7 Marks
    aGive details of sensorless control of PM synchronous motor.
  6. 7 Marks
    bExplain advantages and disadvantages of Solid Rotor.
  7. 7 Marks
    aExplain series and parallel winding pattern of brushless DC motor.
  8. 7 Marks
    bExplain commutation and armature reaction in PMBLDC motor.
  9. 7 Marks
    aDiscuss the construction and working principle of permanent magnet brushless DC motor.
  10. 7 Marks
    bGive application of permanent magnet synchronous motor.
  11. 7 Marks
    aWith necessary diagrams, discuss about various power controllers used for PMSM.
  12. 7 Marks
    bExplain the operation of single stack and multi stack stepper motor with a neat diagram.
  13. 7 Marks
    aDifferentiate between permanent and hybrid stepper motor.
  14. 7 Marks
    bExplain speed control methods of PM Synchronous Motor.
  15. 14 Marks
    Write a short note on (any two): a) PV Fed Water Pumping b) DC Brushed Motors c) Torque development in Brushless DC motor d) Case Study: Electric Vehicles
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