NDLI: Harmonic rejection in current source inverter-based distributed generation with grid voltage distortion using multi-synchronous reference frame

Content Provider	IET Digital Library
Author	Morsy, Ahmed Ahmed, Shehab Massoud, Ahmed Mohamed
Abstract	The growing penetration of renewable energy resources and distributed generation (DG) has raised significant interest in power quality issues. Achieving low total harmonic distortion of exported current using low switching frequency inverters such as current source inverters (CSI) is a challenge, especially under conditions of severe utility voltage distortion. This study presents a control structure for a CSI-based DG system, based on a multi-synchronous reference frame (MSRF) architecture that rejects the effect of utility voltage distortion and helps attain high-quality output current. The proposed solution is applicable for low switching frequency inverters with limited passive filter bandwidth. The MSRF architecture presented confines two stages; one for harmonics extraction and another for harmonics rejection. A state-space-based stationary frame equivalent model of the proposed MSRF architecture is presented; this substantially reduces the computational load while preserving system performance. Experimental results validate the proposed technique against the conventional harmonic rejection controller.
Starting Page	1323
Ending Page	1330
Page Count	8
ISSN	17554535
Volume Number	7
e-ISSN	17554543
Issue Number	Issue 6, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/7/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2013.0186
Journal	IET Power Electronics
Publisher Date	2014-03-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computational Load Reduction Constant Current Sources Control of Electric Power System CSI Current Control Current Source Inverter-based Distributed Generation Distributed Power Generation Distribution Network Electric Current Control Grid Utility Voltage Distortion Harmonic Distortion Harmonic Rejection Controller Harmonics Harmonics Extraction High-quality Output Current Low Switching Frequency Inverter MSRF Architecture Multisynchronous Reference Frame Architecture Passive Fllter Bandwidth Power Converter Power Distribution Control Power Grid Power Harmonic Filter Power Quality Power Supplies to Apparatus Power Supply Quality Power System Control Power System Harmonics Renewable Energy Resource State-Space-based Stationary Frame Equivalent Model Switching Converter Total Harmonic Distortion
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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