Power-Switching Converters examines the characteristics and operating principles of these systems in terms of how to increase their efficiency and produce them at lower cost.

Features:

• Provides a thorough examination of high- and medium-power conversion technologies
• Considers industrial directions and demands on the modern power electronics engineer
• Examines the problems and various solutions specific to a variety of applications
• Explores the theory underlying device behavior along with the practical aspects

Contents

Introduction to Medium and High Power Switching Converters

• Market of Medium- and High-Power Converters
• Adjustable Speed Drives
• Grid Interfaces or Distributed Generation
• Multi-Converter Power Electronic Systems

High-Power Semiconductor Devices

• A View of the Power Semiconductor Market
• Power MOSFETs
• Insular Gate Bipolar Transistors
• Gate Turn-Off Thyristors
• Advanced Power Devices Problems

Basic Three-Phase Inverters

• High-Power Devices Operated as a Simple Switch
• Inverter Leg with Inductive Load Operation
• What is a PWM Algorithm?
• Basic Three-Phase Voltage Source Inverter: Operation and Functions
• Performance Indices: Definitions and Terms Used in Different Countries
• Direct Calculation of Harmonic Spectrum from Inverter Waveforms
• Preprogrammed PWM for Three-Phase Inverters
• Modeling a Three-Phase Inverter with Switching Functions
• Braking Leg in Power Converters for Motor Drives
• DC Bus Capacitor within an AC/DC/AC Power Converter

Carrier-Based Pulse Width Modulation and Operation Limits

• Carrier-Based Pulse Width Modulation Algorithms: Historical Importance
• Carrier-Based PWM Algorithms with Improved Reference
• PWM Used within Volt/Hertz Drives: Choice of Number of Pulses Based on the Desired Current Harmonic Factor
• Implementation of Harmonic Reduction with Carrier PWM
• Limits of Operation: Minimum Pulse-Width
• Limits of Operation

Vectorial Pulse Width Modulation for Basic Three-Phase Inverters

• Review of Space Vector Theory
• Vectorial Analysis of the Three-Phase Inverter
• SVM Theory: Derivation of the Time Intervals Associated to the Active and Zero States by Averaging
• Adaptive SVM: DC Ripple Compensation
• Link to Vector Control: Different Forms and Expressions of Time Intervals Equations in the (d,q) Coordinate System
• Definition of the Switching Reference Function
• Definition of the Switching Sequence
• Comparison between Different Vectorial PWM
• Overmodulation for SVM
• Volt-Per-Hertz Control of PWM Inverters

Practical Aspects in Building Three-Phase Power Converters

• Selection of the Power Devices in a Three-Phase Inverter
• Protection
• System Protection Management
• Reduction of Common-Mode EMI through Inverter Techniques
• Typical Building Structures of the Conventional Inverter Depending on the Power Level
• Thermal Management

Implentation of Pulse Width Modulation Algorithms

• Analog Pulse Width Modulation Controllers
• Mixed-Mode Motor Controller ICs
• Digital Structures with Counters: FPGA Implementation
• Markets for General-Purpose and Dedicated Digital Processors
• Software Implementation in Low-Cost Microcontrollers
• Microcontrollers with Power Converter Interfaces
• Motor Control Co-Processors
• Using the Event Manager within Texas Instruments' DSPs

Practical Aspects in the Implementing Closed-Loop Current Control

• Role and Schematics
• Current Measurement: Synchronization with Pulse Width Modulation
• Current Sampling Rate: Oversampling
• Current Control in (a,b,c) Coordinates
• Current Transforms (3->2): Software Calculation of Transforms
• Current Control in (D,Q) Models: PI Calibration
• Antiwind-Up Protection: Output Limitation and Range Definition

Resonant Three-Phase Converters

• Reducing Switching Losses Through Resonance Vs. Advanced Pulse-Width Multiple Devices
• Do We Still Get Advantages from Resonant High-Power Converters?
• Zero Voltage Transition of IGBT Devices
• Zero Current Transition of IGBT Devices
• Possible Topologies of Quasi-Resonant Converters
• Special PWM for Three-Phase Resonant Converters

Component-Minimized Three-Phase Power Converters

• Solutions for Reduction of Number of Components
• Generalized Vector Transform
• Vectorial Analysis of the B4 Inverter
• Definition of PWM Algorithms for the B4 Inverter
• Influence of DC Voltage Variations and Method for their Compensation
• Two-Leg Converter used in Feeding a Two-Phase IM

AC/DC Grid Interface on the Three-Phase Voltage Source Converter

• Particularities, Control Objectives, and Active Power Control
• PWM in the Control System
• Closed Loop Current Control Methods
• Grid Synchronization

Parallel and Interleaved Power Converters

• Comparison between Converters Built of High-Power Devices and Solutions Based on Multiple Parallel Lower Power Devices
• Hardware Constraints in Paralleling IGBTs
• Gate Control Designs for Equal Current Sharing
• Advantages and Disadvantages of Parallel Devices
• Interleaved Operation of Power Converters
• Circulating Currents
• Selection of the PWM Algorithm
• System Controller

Index

click here to see books • videos • cd-roms of related interest