STUDY NOTES FOR ENGINEERS

          
This new edition combines the traditional areas of electric machinery with the latest in modern control and power electronics. It includes coverage of multi-machine systems, brushless motors and switched reluctance motors, as well as constant flux and constant current operation of induction motors. It also features additional material on new solid state devices such as Insulated Gate Bipolar Transistors and MOS-Controlled Thrysistors.

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Principle of electrical Machines and power electronics Book
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         The Aim Of Revision Is Mainly To Acquaint The Students With The Recent Trends In The Development Of Electric Motors Used As Prime Movers In Electric Drive Systems.The Chapter On Introduction To Solid State Controlled Drives Has Been Expanded To Include Sections On Increasingly Used *Brushless Dcmotors And Switched-Reluctance Motors.A Separate Chapter On The More Commonly Used Position Control Drive Motors, Namely,Stepper Motors Has Been Also Incorporated.The Drives Used In The Fast Growing Petroleum Industry Have Been Included In The Chapter On Industrialapplications.

         The Aim Of Revision Is Mainly To Acquaint The Students With The Recent Trends In The Development Of Electric Motors Used As Prime Movers In Electric Drive Systems.The Chapter On Introduction To Solid State Controlled Drives Has Been Expanded To Include Sections On Increasingly Used *Brushless Dcmotors And Switched-Reluctance Motors.A Separate Chapter On The More Commonly Used Position Control Drive Motors, Namely,Stepper Motors Has Been Also Incorporated.The Drives Used In The Fast Growing Petroleum Industry Have Been Included In The Chapter On Industrialapplications.

           
The book begins by explaining the features of the electric drive system and trends of development in related technologies, as well as the basic structure and operation principles of the electric machine. It also addresses steady state characteristics and control of the machines and the transformation of physical variables of AC machines using reference frame theory in order to provide a proper foundation for the material.
The heart of the book reviews several control algorithms of electric machines and power converters, explaining active damping and how to regulate current, speed, and position in a feedback manner. Seung-Ki Sul introduces tricks to enhance the control performance of the electric machines, and the algorithm to detect the phase angle of an AC source and to control DC link voltages of power converters. Topics also covered are:

• Vector control
• Control algorithms for position/speed sensor-less drive of AC machines
• Methods for identifying the parameters of electric machines and power converters
• The matrix algebra to model a three-phase AC machine in d-q-n axe..

            In one complete volume, this essential reference presents an in-depth overview of the theoretical principles and techniques of electrical machine design. This book enables you to design rotating electrical machines with its detailed step-by-step approach to machine design and thorough treatment of all existing and emerging technologies in this field.
Senior electrical engineering students and postgraduates, as well as machine designers, will find this book invaluable. In depth, it presents the following:

• Machine type definitions; different synchronous, asynchronous, DC, and doubly salient reluctance machines.
• An analysis of types of construction; external pole, internal pole, and radial flux machines.
• The properties of rotating electrical machines, including the insulation and heat removal options.

            TABLE OF CONTENTS

A thoroughly updated introduction to electric machines and adjustable speed drives

All machines have power requirements, and finding the right balance of economy and performance can be a challenge to engineers. Principles of Electric Machines with Power Electronic Applications provides a thorough grounding in the principles of electric machines and the closely related area of power electronics and adjustable speed drives. Designed for both students and professionals seeking a foundation in the fundamental structure of modern-day electric power systems from a technical perspective, this lucid, succinct guide has been completely revised and updated to cover:
* The fundamental underpinnings of electromechanical energy conversion devices
* Transformers
* Induction machines
* Synchronous machines
* DC machines
* Power electronic components, systems, and their applications to adjustable speed drives.

            TABLE OF CONTENTS

Modeling and High Performance Control of Electric Machines introduces you to both the modeling and control of electric machines. The direct current (DC) machine and the alternating current (AC) machines (induction, PM synchronous, and BLDC) are all covered in detail. The author emphasizes control techniques used for high-performance applications, specifically ones that require both rapid and precise control of position, speed, or torque. You'll discover how to derive mathematical models of the machines, and how the resulting models can be used to design control algorithms that achieve high performance. Graduate students studying power and control as well as practicing engineers in industry will find this a highly readable text on the operation, modeling, and control of electric machines.An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department.

            TABLE OF CONTENTS

PART I - CONTINUOUS CURRENT GENERATORS
-    Materials
-    Testing of Materials
-    Properties op Materials
-    Energy Losses in Sheet Iron
-    Insulating Materials
-    Armature Windings
-    Formule for Electromotive Force
-    Thermal Limit of Output
-    Design op the Magnetic Circuit
-    Constant Potential, Continuous-Current Dynamos

PART II - ELECTRIC TRACTION MOTORS
-    General Data
-    Commutators and Brush Gear

PART III - ROTARY CONVERTERS
-    General Data

PART IV - ALTERNATORS
General Data

PART V - ALTERNATORS FOR STEAM TURBINE SPEEDS.

PART VI - CONTINUOUS-CURRENT DYNAMOS FOR STEAM-TURBINE SPEEDS.

            TABLE OF CONTENTS

PART I - CONTINUOUS CURRENT GENERATORS
-    Materials
-    Testing of Materials
-    Properties op Materials
-    Energy Losses in Sheet Iron
-    Insulating Materials
-    Armature Windings
-    Formule for Electromotive Force
-    Thermal Limit of Output
-    Design op the Magnetic Circuit
-    Constant Potential, Continuous-Current Dynamos

PART II - ELECTRIC TRACTION MOTORS
-    General Data
-    Commutators and Brush Gear

PART III - ROTARY CONVERTERS
-    General Data

PART IV - ALTERNATORS
General Data

PART V - ALTERNATORS FOR STEAM TURBINE SPEEDS.

PART VI - CONTINUOUS-CURRENT DYNAMOS FOR STEAM-TURBINE SPEEDS.

            Concept of Computer-Aided Design and Optimization
1.1 Introduction
       A design problem has to be fonnulated considering the various constraints, processes, availability of materials, quality aspects. cost aspects etc. Constraints can be from technical, cost or availability aspects. Technical constraints can be from calculation methods, available process systems, skilled labour, manufacturing facilities, machinery, or tools etc. Sometimes transport facilities to site also pose problems. If suitable quality . materials are not available indigenously they may have to be imported, which effects cost and delivery time

           
The book begins by explaining the features of the electric drive system and trends of development in related technologies, as well as the basic structure and operation principles of the electric machine. It also addresses steady state characteristics and control of the machines and the transformation of physical variables of AC machines using reference frame theory in order to provide a proper foundation for the material.
The heart of the book reviews several control algorithms of electric machines and power converters, explaining active damping and how to regulate current, speed, and position in a feedback manner. Seung-Ki Sul introduces tricks to enhance the control performance of the electric machines, and the algorithm to detect the phase angle of an AC source and to control DC link voltages of power converters. Topics also covered are:

• Vector control
• Control algorithms for position/speed sensor-less drive of AC machines
• Methods for identifying the parameters of electric machines and power converters
• The matrix algebra to model a three-phase AC machine in d-q-n axe..