Vector Control and Dynamics of AC Drives
Series: Monographs in Electrical and Electronic Engineering; 41;
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134 964 Ft
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Product details:
- Publisher OUP Oxford
- Date of Publication 25 July 1996
- Number of Volumes laminated boards
- ISBN 9780198564393
- Binding Hardback
- No. of pages464 pages
- Size 241x159x28 mm
- Weight 858 g
- Language English
- Illustrations numerous line figures, tables 0
Categories
Short description:
Continued advances in power electronics and computer control technology make possible the implementation of a.c. drive systems in place of d.c. The a.c. systems are usually more efficient, and more reliable, more controllable and require a cheaper motor construction. These are strong commercial reasons driving change. The disadvantage is a degree of complexity in the drive control system; this book explains that complexity.
MoreLong description:
This book presents a detailed but easily understood development of the complex variable form of the equations describing AC machines. These equations are then extended to incorporate inverter models and a number of examples of inverter-machine dynamics are presented. A section on constant speed behaviour includes development of the conventional equivalent circuits and an extensive treatment of the constant speed eigenvalues and switching transients.
Vector control and field orientation concepts are first introduced in terms of their steady state properties. This allows anyone with a basic understanding of steady state machine behaviour to understand and appreciate the potential of field orientation and to actually start using the book immediately. This is followed by a full dynamic analysis of vector controlled systems including conventional indirect and direct field orientation and less conventional systems that orient to air gap or stator flux rather than rotor flux. A chapter on the important types of current regulators is also included.
The final two chapters deal with vector control and field orientation system performance in relation to tuning errors, saturation effects, selection of flux levels to optimize performance and the question of optimization in the field weakening mode.
This authoritative book is consistently written and more comprehensive than competing published works in the same subject. Therefore it is best-suited as a reference source for graduate level courses. It also caters for practising electrical engineers who wish to gain deeper insight into AC drive control systems.
Table of Contents:
Introduction to AC drives
d-q modelling of induction and synchronous machines
d-q models for solid state power converters
Complex vector analysis of induction machines
Principles of vector control and field orientation
Dynamics of vector control and field orientation
Current regulation in power converters
Parameter sensitivity and saturation effects in indirect field orientation
Field weakening operation
Index
