A high-efficiency single-phase three-wire photovoltaic energy conversion system

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

A single-phase three-wire photovoltaic energy conversion system with single-stage structure using a novel maximum power-point tracking (MPPT) algorithm is presented. An equivalent model of the proposed system is derived to analyze the characteristics of the system and to design the controller. Owing to the linear relation of the PV array parameters versus insolation, the model is easy to analyze. The proposed system employs a three-leg inverter to control the MPPT process, the line current, and neutral line current. A current-controlled MPPT algorithm controls the MPPT. A neutral line-mode controller maintains a utility neutral line current of zero. A line-mode controller controls the line current so as to provide power to the utility with a unity power factor. The proposed system acts as a solar generator on sunny days and functions as an active power filter on rainy days. Computer simulation and experimental results demonstrate the accuracy and the superior performance of the proposed technique.

Original languageEnglish
Pages (from-to)116-122
Number of pages7
JournalIEEE Transactions on Industrial Electronics
Volume50
Issue number1
DOIs
Publication statusPublished - 2003 Feb 1

Fingerprint

line current
energy conversion
Energy conversion
wire
Wire
controllers
Controllers
Incident solar radiation
solar generators
insolation
systems engineering
unity
computerized simulation
Computer simulation
filters

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

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abstract = "A single-phase three-wire photovoltaic energy conversion system with single-stage structure using a novel maximum power-point tracking (MPPT) algorithm is presented. An equivalent model of the proposed system is derived to analyze the characteristics of the system and to design the controller. Owing to the linear relation of the PV array parameters versus insolation, the model is easy to analyze. The proposed system employs a three-leg inverter to control the MPPT process, the line current, and neutral line current. A current-controlled MPPT algorithm controls the MPPT. A neutral line-mode controller maintains a utility neutral line current of zero. A line-mode controller controls the line current so as to provide power to the utility with a unity power factor. The proposed system acts as a solar generator on sunny days and functions as an active power filter on rainy days. Computer simulation and experimental results demonstrate the accuracy and the superior performance of the proposed technique.",
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A high-efficiency single-phase three-wire photovoltaic energy conversion system. / Kuo, Yeong Chau; Liang, Tsorng-Juu; Chen, Jiann-Fuh.

In: IEEE Transactions on Industrial Electronics, Vol. 50, No. 1, 01.02.2003, p. 116-122.

Research output: Contribution to journalArticle

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