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SOLIDSTATE DRIVES Unit –V DESIGN OF CONTROLLERS FOR DRIVES

SOLIDSTATE DRIVES Unit –V DESIGN OF CONTROLLERS FOR DRIVES. 1. Contents. Introduction Dynamic model of a DC Motor Block Diagram of a DC Motor Transfer Functions of a DC Motor Closed loop speed control Controller design Torque loop Speed loop Position loop. Introduction. Introduction.

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SOLIDSTATE DRIVES Unit –V DESIGN OF CONTROLLERS FOR DRIVES

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  1. SOLIDSTATE DRIVESUnit –VDESIGN OF CONTROLLERS FOR DRIVES 1

  2. Contents • Introduction • Dynamic model of a DC Motor • Block Diagram of a DC Motor • Transfer Functions of a DC Motor • Closed loop speed control • Controller design • Torque loop • Speed loop • Position loop

  3. Introduction

  4. Introduction

  5. Introduction

  6. Dynamic model of a DC Motor

  7. Block Diagram of a DC Motor

  8. Derivation of Transfer Functions

  9. Transfer Functions of a DC Motor

  10. Closed loop speed control

  11. Controller Design Procedure • Design the torque loop (fastest) first. • Design the speed loop assuming the torque loop to be ideal. • Design the position loop (slowest) assuming the speed loop to be ideal.

  12. Controller design

  13. Torque loop

  14. Speed loop

  15. Position loop

  16. References • G.K. Dubey, ‘Power semi-conductor controlled drives’, prentice hall of india, 1989.

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