NDLI: Support vector regression-based distortion compensator for three-phase DC–AC boost-inverters: analysis and experiments

Content Provider	IET Digital Library
Author	Eskandari, Bahman Bina, Mohammad Tavakoli
Abstract	Distortion existence in output of power electronics DC–AC converters is inevitable. The amount of distortion in boost-type converters is higher than other types, which is difficult to mitigate. This study introduces a new modification of three-phase boost-inverters in order to mitigate excessive distortions. The compensation process is modified to take advantage of non-linear operation of boost converters and a differential connection of DC–DC converters is employed. Considering DC–AC boost-inverter, it is shown that the outcomes are usually different from the expected desired waveforms. This is because of the non-linear structure of the switching converter. Thus, a compensation method based on support vector regression (SVR) is proposed in a way that the desired waveforms appear at the output of the converter. Analysis and simulations are first introduced for defining the limitations of a boost-inverter because of the non-linear structure. Then, the simulated SVR applied to the external-layer control, comparing the effects of the suggested algorithm with those of the uncompensated cases. Furthermore, practical verification is taken place on an implemented 500 VA boost-inverter in order to confirm the proposed technique as well as theoretical analysis and simulations. The proposal is particularly useful when considering high penetration of inverter-based interfaces for renewable energy sources such as solar panels.
Starting Page	251
Ending Page	258
Page Count	8
ISSN	17554535
Volume Number	7
e-ISSN	17554543
Issue Number	Issue 2, Feb (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/7/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2013.0046
Journal	IET Power Electronics
Publisher Date	2013-08-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Boost Converter Compensation Process DC-AC Power Converter DC-DC Power Converter DCâ€“AC Boost-inverter DCâ€“DC Converters Differential Connection Excessive Distortion External-layer Control Inverter-based InterFace Invertors Knowledge Engineering Technique Nonlinear Operation Nonlinear Structure Power Converter Power Electronics Power Electronics DCâ€“AC Converters Power Engineering Computing Power Supplies to Apparatus Power Supply Regression Analysis Renewable Energy Source Solar Panels Statistics Supervisory Circuit Support Vector Machine Support Vector Regression-based Distortion Compensator SVR Switching Converter Theoretical Analysis Theoretical Simulations Three-phase Boost-Inverter Three-phase Dcâ€“ac Boost-inverters
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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