Power Semiconductor Drives Imp Qusts – PSD Important Questions

Power Semiconductor Drives Imp Qusts Pdf file – PSD Important Questions

Please find the attached pdf file of Power Semiconductor Drives Important Questions Bank – PSD Imp Qusts

Link – PSD Question Bank

UNIT-I
CONTROL OF DC MOTORS BY SINGLE PHASE CONTROLLED CONVERTERS

  1. What are the advantages of electrical drives
  2. State essential parts of electrical drives. What are the function of a power modulator
  3. Write a brief note on the motors employed in variable speed drives

For more questions please download the above Pdf file

UNIT-II
CONTROL OF DC MOTORS BY THREE PHASE CONTROLLED CONVERTERS

  1. A separately – excited dc motor is require to be controlled from a 3-phase source for operation in the first quadrant only. The most preferred converter would be
  2. A 3-ϕ semi converter is connected to 400 v, 3- ϕ, 50Hz ac supply is delivering 20 A to dc motor. If the firing angle α = 30° , the power input to the motor is
  3. A 3ϕ semi converter connected to 400 V, 3ϕ supply delivering 10A continuous current with firing angle α = 60° The r m s value of the line current is

UNIT-III
FOUR QUADRANT OPERATION OF DC DRIVES

  1. What is 4-quadrant operation and explain with converters
  2. What is a dual converter
  3. What is braking

For more questions please download the above Pdf file

UNIT-1V
CONTROL OF DC MOTORS BY CHOPPERS

  1. What are the types of the DC chopper drives
  2. What is motoring control in choppers
  3. What is régénérative in choppers

For more questions please download the above Pdf file

UNIT-V
CONTROL OF INDUCTION MOTOR OF STATOR SIDE

  1. What are advantages of induction motor
  2. What are the application of slip ring induction motor
  3. Define rotor current frequency

For more questions please download the above Pdf file

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