Permanent Magnet Synchronous and Brushless DC Motor Drives

Permanent Magnet Synchronous and Brushless DC Motor Drives

2010 | R. Krishnan
The book "Permanent Magnet Synchronous and Brushless DC Motor Drives" by R. Krishnan provides a comprehensive overview of permanent magnet (PM) synchronous and brushless DC motor drives. It is divided into three parts: Part I covers the fundamentals of PM machines, power devices, inverters, and their control; Part II focuses on PM synchronous machines and their control; and Part III discusses PM brushless DC machines and their control. Part I introduces the characteristics of PMs, their operating points, rotor configurations, and machine windings. It also covers core losses, inductance derivations, and the fundamental relationships between machine dimensions, excitation, and output variables such as electromagnetic torque and air gap power. The chapter on inverters discusses power devices, switching characteristics, rectifiers, and inverters, including their operation and modeling. Part II delves into the dynamic modeling and control strategies for PM synchronous machines. It covers vector control, decoupling of torque and flux channels, and various performance requirements such as constant torque angle, unity power factor, and maximum efficiency. The chapter on flux-weakening operation explores control strategies and implementations, including six-step inverter operation. Part III examines PM brushless DC motor drives, including modeling, commutation torque ripple, and phase advancing. It discusses different inverter topologies, such as half-wave and C-dump, and their impact on performance. The chapter on current and speed controller design provides detailed procedures for designing these controllers using transfer functions and block diagram reduction methods. The book is intended for engineers with bachelor's degrees in electrical engineering and can be used as a reference for advanced courses in motor drives. It emphasizes the integrated design of motor drive systems and includes MATLAB codes for simulation.The book "Permanent Magnet Synchronous and Brushless DC Motor Drives" by R. Krishnan provides a comprehensive overview of permanent magnet (PM) synchronous and brushless DC motor drives. It is divided into three parts: Part I covers the fundamentals of PM machines, power devices, inverters, and their control; Part II focuses on PM synchronous machines and their control; and Part III discusses PM brushless DC machines and their control. Part I introduces the characteristics of PMs, their operating points, rotor configurations, and machine windings. It also covers core losses, inductance derivations, and the fundamental relationships between machine dimensions, excitation, and output variables such as electromagnetic torque and air gap power. The chapter on inverters discusses power devices, switching characteristics, rectifiers, and inverters, including their operation and modeling. Part II delves into the dynamic modeling and control strategies for PM synchronous machines. It covers vector control, decoupling of torque and flux channels, and various performance requirements such as constant torque angle, unity power factor, and maximum efficiency. The chapter on flux-weakening operation explores control strategies and implementations, including six-step inverter operation. Part III examines PM brushless DC motor drives, including modeling, commutation torque ripple, and phase advancing. It discusses different inverter topologies, such as half-wave and C-dump, and their impact on performance. The chapter on current and speed controller design provides detailed procedures for designing these controllers using transfer functions and block diagram reduction methods. The book is intended for engineers with bachelor's degrees in electrical engineering and can be used as a reference for advanced courses in motor drives. It emphasizes the integrated design of motor drive systems and includes MATLAB codes for simulation.
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