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OverviewThe Field Orientation Principle (FOP) constitutes a fundamental concept behind the modern technology of high-performance, vector-controlled drive systems with AC motors. The recent interest in these systems has been spawned by the widespread transition from DC to AC drives in industry. Induction motors, industry's traditional workhorses, are particularly well suited for FOP-based vector control. This text presents the FOP in a simple, easy-to-understand framework based on the space-vector dynamic model of the induction machine. Relationships between the classic phasor equivalent circuits of the motor and their vector counterparts are highlighted. A step-by-step derivation of dynamic equations of the motor provides a formal background for explanation of the basic approaches to vector control. In addition, the author presents scalar control methods for low-performance drives as an intermediate stage between uncontrolled and high-performance drives. The reader will also find a full chapter devoted to power inverters, which constitute an important component of adjustable speed AC drive systems, and a review of associated issues such as observers of motor variables, parameter estimation, adaptive tuning, and principles of the position and speed control of field-oriented induction motors. Numerical examples and computer simulations illustrate the ideas and techniques discussed. This text is a practical resource and should be a useful for researchers and students interested in motor control, power and industrial electronics, and control theory. Full Product DetailsAuthor: Andrzej M. TrzynadlowskiPublisher: Springer Imprint: Springer Edition: 1994 ed. Volume: v. 258 Dimensions: Width: 15.50cm , Height: 1.70cm , Length: 23.50cm Weight: 1.260kg ISBN: 9780792394204ISBN 10: 0792394208 Pages: 255 Publication Date: 31 December 1993 Audience: College/higher education , Professional and scholarly , Undergraduate , Postgraduate, Research & Scholarly Format: Hardback Publisher's Status: Active Availability: In Print  This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of Contents1 Dynamic Model of the Induction Motor.- 1.1 Space Vectors in Stator Reference Frame.- 1.2 Direct and Inverse Three-Phase to Stator Reference Frame Transformations.- 1.3 Voltage and Current Equations in Stator Reference Frame.- 1.4 Torque Equation.- 1.5 Dynamic Equivalent Circuit.- 1.6 Direct and Inverse Stator to Excitation Reference Frame Transformations.- 1.7 Motor Equations in Excitation Reference Frame.- 1.8 Examples and Simulations.- 2 Scalar Control of Induction Motors.- 2.1 The ? Equivalent Circuit of an Induction Motor.- 2.2 Principles of the Constant Volts/Hertz Control.- 2.3 Scalar Speed Control System.- 2.4 The ? Equivalent Circuit of an Induction Motor.- 2.5 Principles of the Torque Control.- 2.6 Scalar Torque Control System.- 2.7 Examples and Simulations.- 3 Field Orientation Principle.- 3.1 Optimal Torque Production Conditions.- 3.2 Dynamic Block Diagram of an Induction Motor in the Excitation Reference Frame.- 3.3 Field Orientation Conditions.- 4 Classic Field Orientation Schemes.- 4.1 Field Orientation with Respect to the Rotor Flux Vector.- 4.2 Direct Rotor Flux Orientation Scheme.- 4.3 Indirect Rotor Flux Orientation Scheme.- 4.4 Examples and Simulations.- 5 Inverters.- 5.1 Voltage Source Inverter.- 5.2 Voltage Control in Voltage Source Inverters.- 5.3 Current Control in Voltage Source Inverters.- 5.4 Current Source Inverter.- 5.5 Examples and Simulations.- 6 Review of Vector Control Systems.- 6.1 Systems with Stator Flux Orientation.- 6.2 Systems with Airgap Flux Orientation.- 6.3 Systems with Current Source Inverters.- 6.4 Observers for Vector Control Systems.- 6.5 Adaptive Schemes.- 6.6 Position and Speed Control of Field-Oriented Induction Motors.- 6.7 Examples and Simulations.ReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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