Description
A top-down approach that enables readers to master and apply core principles
Using an innovative top-down approach, this text makes it possible for readers to master and apply the principles of contemporary power electronics and electromechanic power conversion, exploring both systems and individual components. First, the text introduces the role and system context of power conversion functions. Then the authors examine the building blocks of power conversion systems, describing how the components exchange power. Lastly, readers learn the principles of static and electromechanic power conversion.
The Principles of Electronic and Electromechanic Power Conversion opens with a chapter that introduces core concepts in electrical systems and power conversion, followed by a chapter dedicated to electrical power sources and energy storage. Next, the book covers:
- Power, reactive power, and power factor
- Magnetically coupled networks
- Dynamics of rotational systems
- Power electronic converters
- DC machines
- AC machines
The text offers readers a concise treatise on the basic concepts of magnetic circuits. Its simple approach to machines makes the principles of field-oriented control and space vector theory highly accessible. In order to help readers fully grasp power electronics, the authors focus on topologies that use a series transistor and diode combination connected to a DC source, a standard building block of today’s power conversion systems. Problem sets at the end of each chapter enable readers to fully master each topic as they progress through the text.
In summary, The Principles of Electronic and Electromechanic Power Conversion provides the most up-to-date, relevant tools needed by today’s power engineers, making it an ideal undergraduate textbook as well as a self-study guide for practicing engineers.
Chapter
THE PRINCIPLES OF ELECTRONIC AND ELECTRO MECHANIC POWER CONVERSION: A Systems Approach
1 INTRODUCTION TO ELECTRICAL SYSTEMS AND POWER
CONVERSION
1.1 Electricity as an Energy Carrier
1.2 Development of Electrical Energy Conversion Systems
1.3 System Building Blocks
1.4.1 Generation, Storage and Consumption of Electricity
1.4.2 Power Transfer and Matching of Loads and Sources
2 ELECTRICAL POWER SOURCES AND ENERGY STORAGE
2.2.1 Centralised Sources
2.2.2 Decentralised Sources
2.3.2 Storage as Chemical Energy—Hydrogen
2.3.3 Storage as Electrochemical Energy
2.3.4 Storage as Electrical Energy
2.3.5 Storage as Mechanical Energy
3 POWER, REACTIVE POWER AND POWER FACTOR
3.3 Power in Resistive AC Circuits
3.4 Effective or rms Values
3.5 Phasor Representation
3.6.1 Power in a Capacitive Circuit
3.7 Apparent Power, Real Power and Power Factor
3.9 Electrical Energy Cost and Power Factor Correction
3.11 Harmonics in Power Systems
3.12 Power and Non-Sinusoidal Waveforms
3.13 Effective or rms Value of Non-Sinusoidal Waveforms
3.14 Power Factor of Non-Sinusoidal Waveforms
3.15 Harmonics in Power Systems
3.17 Harmonics in Balanced Three-Phase Systems
4 MAGNETICALLY COUPLED NETWORKS
4.2.1 Ampère’s Circuital Law
4.2.2 Faraday’s Induction Law
4.2.3 Relationship between Magnetic Flux and Magnetic Field
Strength
4.2.5 Basic Magnetic Circuits
4.2.6 Magnetic Circuit with an Air Gap
4.3.1 Simple Air-Core Transformer
4.3.2 Leakage Flux and the Transformer Core
4.4.1 Referral of an Impedance
4.4.2 Leakage and Magnetising Inductances
5 DYNAMICS OF ROTATIONAL SYSTEMS
5.3.2 Angular Displacement, Speed and Acceleration
5.3.3 Equations of Rotational Motion
6 POWER ELECTRONIC CONVERTERS
6.2 Linear Voltage Regulator
6.4.1 Switching Components
6.5.3 Combining the Two States
6.5.4 Simplified Analysis Approach
6.5.5 What if vc(t) ≠ Vc?
6.6 Discontinious Conduction Mode
6.6.1 Boundary between CCM and DCM
6.6.2 Relationship between Vs and Vc in DCM
6.7 Other Basic Converter Structures
6.7.2 Buck–Boost Converter
6.8 DC–DC Converters with Isolation
6.8.1 Coupled Inductor Isolation: Flyback
6.8.2 Transformer Isolation: Half-bridge
6.8.3 Transformer Isolation: Full-bridge
7 SIMPLE ELECTRICAL MACHINES
7.2 Motional Voltage and Electromagnetic Force
7.2.1 Conductor Moving in a Uniform Magnetic Field
7.2.2 Current-Carrying Conductor in a Uniform Magnetic
Field
7.3 Simple Linear DC Machine
7.3.1 Starting of the Linear DC Motor
7.3.2 Linear DC Machine Operating as a Motor
7.3.3 Linear DC Machine Operating as a Generator
7.3.4 Electrical Equivalent Circuit of the Linear DC
Machine
7.3.5 Mechanical Equivalent Circuit of the Linear DC
Machine
7.3.6 A Practical Example: The Railgun
7.4 Basic Operation of the DC Machine
7.4.2 Mechanical Voltage Rectification
7.4.4 Power Balance between Mechanical and Electrical
Power
7.4.5 The benefit of a Uniform Air Gap
7.5 Practical DC Machine Construction
7.5.1 Induced Voltage in a Real DC Machine
7.5.2 Torque Produced in a Real DC Machine
7.6 Practical DC Machine Configurations
7.6.1 Permanent Magnet DC Machine
7.6.2 Field Winding DC Machines
7.7 DC Machine as a Component in a System
8.2 Three-Phase AC Electrical Port
8.3.1 Rotating Magnetic Field
8.3.2 Reversing the Direction of Rotation
8.3.3 Increasing the Number of Poles
8.3.4 Flux Created in the Air Gap
8.3.5 Induced Voltage in Three-Phase Stator Windings
8.3.6 Increasing the Number of Poles
8.3.7 Changing the Magnitude of the Induced Voltage
8.4.1 The Equivalent Circuit
8.4.3 Power Angle Characteristic Equation
8.4.4 Controlling the Power Factor
8.5.1 Induced Currents in the Induction Machine Rotor
8.5.2 Development of an Equivalent Circuit
8.5.3 Measurement of the Induction Machine
Parameters
8.5.4 Performance Calculations
8.5.5 Induction Motor as a Component in a System
The Principles of Electronic and Electromechanic Power Conversion
：A Systems Approach
( Wiley - IEEE )
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