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2014 | Book

Introduction Read chapter Read first chapter

Peak-to-Peak Output Current Ripple Analysis in Multiphase and Multilevel Inverters

Author: Jelena Loncarski

Publisher: Springer International Publishing

Book Series : Springer Theses

Part of: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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About this book

The book introduces an original and effective method for the analysis of peak-to-peak output current ripple amplitude in three-phase two-level inverters. It shows that the method can be extended to both multiphase inverters, with particular emphasis on five-phase and seven-phase inverters, and multilevel ones, with particular emphasis on three-level inverters, and provides, therefore, a comparison among different number of output phases and voltage levels. The work reported on here represents the first detailed analysis of the peak-to-peak output current ripple. It makes an important step toward future developments in the field of high-power generation, and in grid-connected and motor-load systems.

Table of Contents

Frontmatter
Chapter 1. Introduction
Abstract
Three-phase voltage source inverters (VSIs) are widely utilized in ac motor drives, controlled rectifiers, and in general grid-connected applications as dc–ac power conversion devices. In general, the problems related to high-power applications can be overcome by the increase of the number of phases. The increase of the phase number is considered a viable solution and has become more and more used in order to obtain additional degree of freedom. Multiphase motor drives have many advantages over the traditional 3-phase motor drives. Most important are ability to reduce the amplitude and to increase the frequency of torque pulsations, to reduce the rotor harmonic current losses and to lower the dc link current harmonics. Additionally, due to their redundant structure, multiphase motor drives improve the system reliability.
Jelena Loncarski
Chapter 2. Analysis of the Current Ripple in Three-Phase Two-Level VSIs
Abstract
This chapter provides survey on optimal three-phase inverter techniques, carrier-based CB-PWM and space vector PWM. Chapter proceeds with the definition of the output current ripple for a general case. Further on, it gives the complete analysis of the peak-to-peak output current ripple in three-phase inverters, with reference to the optimal modulation and three-phase loads, such are both grid-connected and motor loads. The analysis is accompanied with the numerical and experimental results.
Jelena Loncarski
Chapter 3. Analysis of the Output Current Ripple in Multiphase VSIs
Abstract
This chapter provides survey on optimal multiphase inverter techniques, carrier-based CB-PWM and space vector PWM, with the emphasis on the five- and seven-phase inverters. Chapter proceeds with the extension of the analysis of the peak-to-peak output current ripple to five- and seven-phase inverters, with reference to the optimal modulation and multiphase loads such are motor loads. The analysis is accompanied with the numerical and experimental results.
Jelena Loncarski
Chapter 4. Analysis of the Output Current Ripple in Multilevel VSIs
Abstract
This chapter provides survey on optimal multilevel inverter techniques, carrier-based CB-PWM and space vector PWM. Chapter proceeds with the extension of the analysis of the peak-to-peak output current ripple in three-phase two-level inverters to the three-level inverters, with reference to the optimal modulation and three-phase three-level loads, such are both grid-connected and motor loads. The analysis is accompanied with the numerical and experimental results.
Jelena Loncarski
Chapter 5. Comparison of the Peak-to-Peak Current Ripple
Abstract
This chapter gives the overview on all the developed cases, and proceeds with the comparison within different cases. First presented is the comparison of the output current ripple between cases with different phase numbers, i.e. three-, five-, and seven-phase inverters. Further on, the comparison of the output current ripple in two- and three-level inverters is presented.
Jelena Loncarski
Chapter 6. Examples of Application
Abstract
The possible examples of applications are presented in this chapter.
Jelena Loncarski
Chapter 7. Conclusion and Future Work
Abstract
The main conclusion of this dissertation based on numerical simulation and experimental results are presented. Finally, chapter provides few recommendations for future research work.
Jelena Loncarski
Backmatter
Metadata
Title
Peak-to-Peak Output Current Ripple Analysis in Multiphase and Multilevel Inverters
Author
Jelena Loncarski
Copyright Year
2014
Electronic ISBN
978-3-319-07251-7
Print ISBN
978-3-319-07250-0
DOI
https://doi.org/10.1007/978-3-319-07251-7