SIMULATION OF ELECTRIC MACHINE AND DRIVE SYSTEMS

                     USING MATLAB AND SIMULINK
                                              M. Riaz
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                       TABLE OF CONTENTS

SIGNALS & CIRCUITS
1.  Transients in an RLC series circuit
2. PID controller design using Ziegler-Nichols method
3. RLC switched circuit at zero current
4. On-off breaking in an RLC circuit
5. Fourier series decomposition of typical periodic signals
6. 2D vector operations by means of arrows
7. Switch-mode inverter
8. 3-phase sinusoidal pulse-width modulation
9. Principle of space vector pulse-width modulation
10. Switch-mode dc-dc converter feeding an RLE circuit
11. Fourier decomposition of a sinusoidal PWM signal
12. Waves and space vectors in AC machines
13. Traveling waves in AC machines under sinusoidal excitation
14. Traveling waves as space vectors
15. Variable-amplitude variable-frequency three-phase sinusoidal signals
16. Definition of space vectors
17. Geometric view of space vectors
18. Space vector representation of a three-phase signal
19. Nonlinear inductor model
20. Saturable inductor
21. Transformer excitation buildup
22. Single-phase rectifier circuit
23. Single-pulse rectifier circuit
24. Steady-state characteristics of an electromechanical actuator
25. Transient operation of an electromechanical actuator

DC MOTOR DRIVES
1. DC motor transient running operation
2. DC motor ramp start
3. Automatic starter of a DC motor
4. DC motor with unipolar PWM excitation
5. DC motor with bipolar PWM excitation
6. DC motor with controlled ac rectification
7. DC self-excited  generator
8. Cascade speed control of a DC motor drive
9. Cascade position control of a DC motor drive (PI controller)
10. Cascade position control of a DC motor drive (hysteresis controller
)

INDUCTION MACHINES
1. Steady-state characteristics of induction machines
2. Steady-state characteristics derived from dynamic model
3. Parametric steady-state characteristics of induction machines
4.  Induction motor start :
      a. Induction motor start in any of three common reference frames [pu]
      b. MATLAB script using fluxes as motor  state variables [pu]
      c. MATLAB script using fluxes as motor  state variables [SI]
      d. MATLAB script using currents as motor state variables [SI]
      e. Induction motor start in rotor flux frame [pu]
      f. Induction motor start in abc phase variable model [pu]
      g. Induction motor start with line impedance [pu]
      h. Induction motor start with line impedance [SI]
      i. Static and dynamic characteristics during line start [pu]

      j. Effects of rotor resistance or inertia on transient response
5. Transient operation of induction machines under 3-phase sinusoidal excitation:
      a. Transient runs of an induction motor modeled as an S-function
      b. Dynamics of an induction motor with sinusoidal excitation [SI]
      c. Transient runs of an induction motor modeled as a space vector subsystem [SI]
      d. Induction motor described in a script m- file with fluxes as state variables  [SI]
      e. Induction motor described in a script m- file with currents as state variables [SI]
      f. Transient runs of an induction motor modeled as a space vector subsystem [pu]
      g. Same as above [pu]
      h. Motor described in abc phase variable model  [SI]
      i. Transient runs of an induction motor described in rotor flux frame [pu]
      j. Transient runs of an induction motor modeled as a dq subsystem
      k. Disconnecting and reapplying the supply the 3-phase supply (residual voltage)
6. Single-phase capacitor induction motors:

      a. Capacitor-start capacitor-run induction motor [dq]
      b. Capacitor-start capacitor-run induction motor [abc]
      c. Capacitor-start single-phase induction motor [dq]
      d. Quasi-static characteristics of capacitor induction motor  
      e. Steady-state characteristics of capacitor single-phase induction motors

7. 6-pulse squarewave excitation of an induction motor
8. Sinusoidal PWM excitation of an induction motor
9. Induction motor characteristics under current excitation
10. Scalar, vector, and direct torque control of induction motors :
      a. Open-loop Volts/Hz  start of an induction motor [dq]

      b. Open-loop Volts/Hz  start of an induction motor [abc]
      c. Volts/Hz  closed-loop speed control of an induction motor drive
      d. Indirect vector control with current excitation
      e. Effect of detuning a vector controlled induction motor in steady state
      f. Indirect vector control with closed-loop speed control
      g. Indirect vector control with voltage excitation
      h. Indirect vector control of a variable frequency induction motor drive
      i. Principle of direct torque control
11. Doubly fed induction generator driven by a wind turbine:
      a. Static characteristics
      b. Dynamic characteristics (speed control at generator side)
      c. Excitation characteristics with generator disconnected from grid
      d. Grid connection and loading
      e. Dynamic characteristics (speed control at turbine by pitch controller)

 

SYNCHRONOUS MACHINES
1. V- and compounding C-curves of a synchronous machine
2. Synchronous motor start using Simulink
3. Synchronization and loading of a synchronous machine
4. Short circuit of a synchronous machine (S-function model) under load
5. Transient stability with various models of the synchronous machine

6. Transient stability in script format
7. Short circuit of an alternator initially open circuited
8. Sudden application of an R_L load on a synchronous generator
9. Same as above with added voltage regulator
10.  Transient stability of a synchronous machine (swing curves)
11. Open-loop Volt/Hz control of a synchronous motor drive
12. Speed control of a permanent magnet synchronous motor
13. Phase variable model of the synchronous machine:

      a. Elementary single-phase synchronous machine
      b. Synchronous motor start (round rotor)
      c. Synchronous motor start (salient pole rotor)

      d. Three-phase reluctance motor
      e. Synchronizing an open-circuited alternator to an infinite bus
      f. Three-phase short applied to an open-circuited alternator  

      g. Load applied to a synchronous generator (round rotor)

      h. Stability of an alternator subjected to a cleared 3-phase fault

STEADY-STATE CHARACTERISTICS
1.  Converting induction motor parameters from SI to pu values
2. Steady-state characteristics of  induction machines
3. Rr and V/f control of induction motor characteristics [pu]
4  Volts per Hertz speed control of induction motor [SI]
5. Phasor representation of the induction machine
6. Phasor diagram of the induction machine
7. Phasor analysis and diagram of the (non salient) synchronous machine

8. V- and C-compounding curves of the synchronous motor

9. Compounding curves of the synchronous generator
10. Capability curves of the synchronous machine
11. Steady-state characteristics of the (salient) synchronous machine:
        a. Phasor diagram
        b. Dependency on torque angle with Ef as parameter
12. Steady-state characteristics of  induction machines (balanced)
13. Power flow and voltage stability in a 3-bus power system
14. Characteristics of induction machines under unbalanced or asymmetrical conditions:
      a. dq model in synchronous frame (balanced and symmetrical)
      b. dq model in stator frame (stator unbalance)
      c. dq model in arbitrary frame (balanced and symmetrical)
      d. dq model of an induction machine with a single-phase rotor (rotor frame)
      e. Synchronous motor starting (rotor frame)
      f.  Induction motor in SI units (stator frame)
      g. Single phase capacitor motor (SI)
      h. AC tachometer

ANIMATIONS
1. Movies of machines, space vectors, and magnetic field distributions in motion
2. Magnetic field distribution produced in a sinusoidal distributed winding by a sinusoidal current
3. Magnetic field distribution due to three-phase excitation
4. Air gap flux plot due to three-phase excitation
5. Sinusoidal distributed windings in a three-phase ac machine
6. Space distribution of waves in a three-phase machine
7. Space vector representation of waves in a three-phase ac machine
8. Combined   space and vector distributions

9. Space vectors for a balanced three-phase sinusoidal signal

10. Space vector decomposition in the synchronous dq frame
11. Motion of space vectors in various reference frames
12. Wound rotor induction machine configuration
13. Squirrel-cage induction machine configuration
14. Waves in a squirrel-cage rotor of an induction motor

15. Synchronous machine configuration                                                       
16. Dc machine schematic representation
17. Brushless dc machine

18. Position control of a dc motor drive
19. Switched reluctance motor
20. Animated phasors in an induction motor (Torque-speed curve)

21. Space vectors in an induction motor under pulsed loads (Torque-speed curve)

22. Synchronization of three-phase ac power systems

23. Transient stability of a synchronous machine against an infinite bus

24. Animated phasor diagrams of a synchronous generator (Compounding curve)

25. Animated phasor diagrams of a synchronous motor (V curve)

26. Animated phasor diagrams of a synchronous motor (Power-angle curve)
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