Control of Electric Machine Drive Systems (eBook)

Seung-Ki Sul, PhD, serves as the director of Electrical Engineering and Science Research Center at Seoul National University in Korea. A well-known world authority on the subject of electrical drives, Dr. Sul has lectured on this topic at Seoul National University for the last seventeen years. Previously, he served as the acting director and consultant at Yaskawa Electric Company in Japan. An IEEE Fellow since 2000, Dr. Sul holds fifteen domestic patents and eight international patents.

Preface.

1 Introduction.

1.1 Introduction.

1.2 Basics of Mechanics.

1.3 Torque Speed Curve of Typical Mechanical Loads.

2 Basic Structure and Modeling of Electric Machines and PowerConverters.

2.1 Structure and Modeling of DC Machine.

2.2 Analysis of Steady-State Operation.

2.3 Analysis of Transient State of DC Machine.

2.4 Power Electronic Circuit to Drive DC Machine.

2.5 Rotating Magnetic Motive Force.

2.6 Steady-State Analysis of a Synchronous Machine.

2.7 Linear Electric Machine.

2.8 Capability Curve of Synchronous Machine.

2.9 Parameter Variation of Synchronous Machine.

2.10 Steady-State Analysis of Induction Machine.

2.11 Generator Operation of an Induction Machine.

2.12 Variation of Parameters of an Induction Machine.

2.13 Classification of Induction Machines According toSpeed-Torque Characteristics.

2.14 Quasi-Transient State Analysis.

2.15 Capability Curve of an Induction Machine.

2.16 Comparison of AC Machine and DC Machine.

2.17 Variable-Speed Control of Induction Machine Based onSteady-State Characteristics.

2.18 Modeling of Power Converters.

2.19 Parameter Conversion Using Per Unit Method.

3 Reference Frame Transformation and Transient State Analysisof Three-Phase AC Machines.

3.1 Complex Vector.

3.2 d-q-n Modeling of an Induction Machine Based onComplex Space Vector.

3.3 d-q-n Modeling of a Synchronous Machine Based onComplex Space Vector.

4 Design of Regulators for Electric Machines and PowerConverters.

4.1 Active Damping.

4.2 Current Regulator.

4.3 Speed Regulator.

4.4 Position Regulator.

4.5 Detection of Phase Angle of AC Voltage.

4.6 Voltage Regulator.

5 Vector Control.

5.1 Instantaneous Torque Control.

5.2 Vector Control of Induction Machine.

5.3 Rotor Flux Linkage Estimator.

5.4 Flux Weakening Control.

6 Position/Speed Sensorless Control of AC Machines.

6.1 Sensorless Control of Induction Machine.

6.2 Sensorless Control of Surface-Mounted Permanent MagnetSynchronous Machine (SMPMSM).

6.3 Sensorless Control of Interior Permanent Magnet SynchronousMachine (IPMSM).

6.4 Sensorless Control Employing High-Frequency SignalInjection.

7 Practical Issues.

7.1 Output Voltage Distortion Due to Dead Time and ItsCompensation.

7.2 Measurement of Phase Current.

7.3 Problems Due to Digital Signal Processing of CurrentRegulation Loop.

Appendix A Measurement and Estimation of Parameters ofElectric Machinery.

A.1 Parameter Estimation.

A.2 Parameter Estimation of Electric Machines Using Regulatorsof Drive System.

A.3 Estimation of Mechanical Parameters.

Appendix B d-q Modeling Using Matrix Equations.

B.1 Reference Frame and Transformation Matrix.

B.2 d-q Modeling of Induction Machine Using TransformationMatrix.

B.3 d-q Modeling of Synchronous Machine UsingTransformation Matrix.

Index.

"The book's practicality and realworld relatability make it an invaluable resource for professionals and engineers involved in the research and development of electric machine drive business, industrial drive designers, and senior undergraduate and graduate students." (Trading-house.net, 7 March 2011)