Fundamentals of Electrical Drives, Second Edition - Brossura

Dubey, Gopal K.

Brossura

ISBN 10: 084932422X ISBN 13: 9780849324222

Casa editrice: Narosa, 2002

Riassunto

Encouraged by the response to the first edition and to keep pace with recent developments, Fundamentals of Electrical Drives, Second Edition incorporates greater details on semi-conductor controlled drives, includes coverage of permanent magnet AC motor drives and switched reluctance motor drives, and highlights new trends in drive technology.

Contents were chosen to satisfy the changing needs of the industry and provide the appropriate coverage of modern and conventional drives. With the large number of examples, problems, and solutions provided, Fundamentals of Electrical Drives, Second Edition will continue to be a useful reference for practicing engineers and for those preparing for Engineering Service Examinations.

Su questo libro

Contenuti:

ELECTRICAL DRIVES-AN INTRODUCTION
Electrical Drives
Advantages of Electrical Drives
Parts of Electrical Drives
Choice of Electrical Drives
Status of dc and ac Drives

DYNAMICS OF ELECTRICAL DRIVE
Fundamental Torque Equations
Speed Torque Conventions and Multiquadrant Operation
Equivalent Values of Drive Parameters
Components of Load Torques
Nature and Classification of Load Torques
Calculation of Time and Energy-Loss in Transient Operations
Steady State Stability
Load Equalisation

CONTROL OF ELECTRICAL DRIVES
Modes of Operation
Speed Control and Drive Classifications
Closed-Loop Control of Drives

SELECTION OF MOTOR POWER RATING
Thermal Model of Motor for Heating and Cooling
Classes of Motor Duty
Determination of Motor Rating

dc MOTOR DRIVES
dc Motors and their Performance
Starting
Braking
Transient Analysis
Speed Control
Methods of Armature Voltage Control
Ward Leonard Drives
Transformer and Uncontrolled Rectifier Control
Controlled Rectifier Fed dc Drives
Single-Phase Fully-Controlled Rectifier Control of dc Separately Excited Motor
Three-Phase Fully-Controlled Rectifier Control of dc Separately Excited Motor
Three-Phase Half-Controlled Rectifier Control of dc Separately Excited Motor
Multiquadrant Operation of dc Separately Excited Motor Fed from Fully-Controlled Rectifier
Rectifier Control of dc Series Motor
Control of Fractional hp Motors
Supply Harmonics, Power Factor, and Ripple in Motor Current
Chopper-Controlled dc Drives
Chopper Control of Separately Excited dc Motors
Chopper Control of Series Motor
Source Current Harmonics in Choppers
Converter Ratings and Closed-Loop Control

INDUCTION MOTOR DRIVES
Three-Phase Induction Motors
Operation with Unbalanced Source Voltages and Single Phasing
Operation with Unbalanced Rotor Impedances
Analysis of Induction Motor Fed from Non-Sinusoidal Voltage Supply
Starting
Braking
Transient Analysis
Speed Control
Pole Changing
Pole Amplitude Modulation
Stator Voltage Control
Variable Frequency Control from Voltage Sources
Voltage Source Inverter (VSI) Control
Cycloconverter Control
Closed-Loop Speed Control and Converter Rating for VSI and Cycloconverter Induction Motor Drives
Variable Frequency Control from a Current Source
Current Source Inverter Control
Current Regulated Voltage Source Inverter Control
Eddy Current Drives
Rotor Resistance Control
Slip Power Recovery
Variable Speed Constant Frequency Generation
Single-Phase Induction Motors
Starting Methods and Types of Single-Phase Induction Motors
Braking of Single-Phase Induction Motors
Speed Control of Single-Phase Induction Motors
Linear Induction Motor and its Control

SYNCHRONOUS MOTOR AND BRUSHLESS dc MOTOR DRIVES
Synchronous Motors
Operation from Fixed Frequency Supply
Synchronous Motor Variable Speed Drives
Variable Frequency Control of Multiple Synchronous Motors
Self-Controlled Synchronous Motor Drive Employing Load Commutated Thyristor Inverter
Starting Large Synchronous Motor Drive Employing a Cycloconverter
Permanent Magnet ac Motor Drives
Sinusoidal PMAC Motor Drives
Brushless dc (or Trapezoidal PMAC) Motor Drives

STEPPER MOTOR AND SWITCHED RELUCTANCE MOTOR DRIVES
Stepper
Switched (or Variable) Reluctance Motor

SOLAR AND BATTERY POWERED DRIVES
Solar (or Photovoltaic) Panels
Motors Suitable for Pump Drives
Solar Powered Pump Drives
Battery Powered Vehicles
Solar-Powered Electrical Vehicles and Boats

TRACTION DRIVES
Electric Traction Services
Nature of Traction Load
Main Line and Suburban Train Configuration
Braking
Power Factor and Harmonics
Calculations of Traction Drive Rating and Energy Consumption
Important Features of Traction Drives
Traction Motors
Traction Drives
Conventional dc and ac Traction Drives
Semiconductor Converter Controlled Drives
The 25 k V ac Traction Using Semiconductor Converter Controlled dc Motors
The dc Traction Using Semiconductor Converter Controlled dc Motors
Polyphase ac Motors for Traction Drives
The dc Traction Employing Polyphase ac Motors
The ac Traction Employing Polyphase ac Motors
Diesel Electric Traction

ENERGY CONSERVATION IN ELECTRICAL DRIVES
Losses in Electrical Drive System
Measures for Energy Conservation in Electrical Drives
Use of Efficient Semiconductor Converters
Use of Efficient Motors
Use of Variable Speed Drives
Energy Efficient Operation of Drives
Improvement of Quality Supply
Use of Single- to Three-Phase Semiconductor Converters in Rural Applications
Regular and Preventive Maintenance of Motors, Transformers, and Coupled Equipment

ELECTRICAL DRIVE SYSTEMS AND COMPONENTS
Electrical Drive Systems
Components Used for Obtaining Signals for Interlocking and Sequencing Operations, and Protection

Bibliography and References
Answers to Numerical Problems
Index

Su questa edizione

• Editore: Narosa
• Data di pubblicazione: 2002
• ISBN 10: 084932422X
• ISBN 13: 9780849324222
• Rilegatura: Copertina flessibile
• Numero di pagine: 408