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

Ahmed Morsy, Shehab Ahmed, Ahmed Mohamed Massoud

Research output: Contribution to journalArticle

10 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)1323-1330
Number of pages8
JournalIET Power Electronics
Volume7
Issue number6
DOIs
Publication statusPublished - 2014

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Distributed power generation
Switching frequency
Passive filters
Renewable energy resources
Harmonic distortion
Electric potential
Power quality
Bandwidth
Controllers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Harmonic rejection in current source inverter-based distributed generation with grid voltage distortion using multi-synchronous reference frame. / Morsy, Ahmed; Ahmed, Shehab; Massoud, Ahmed Mohamed.

In: IET Power Electronics, Vol. 7, No. 6, 2014, p. 1323-1330.

Research output: Contribution to journalArticle

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