Voltage-Fed Isolated Matrix-Type AC/DC Converter for Wind Energy Conversion System

Yang Xu, Zheng Wang, Zhi Xiang Zou, Giampaolo Buticchi, Marco Liserre

Research output: Journal PublicationArticlepeer-review

Abstract

In this paper, a voltage-fed isolated matrix-type AC/DC converter (VF-MC) is proposed for wind energy conversion system (WECS). Instead of the line-frequency transformer, the high-frequency transformer (HFT) is used for isolation between the generator and the grid. The direct matrix converter is employed to connect the wind power generator and the HFT, and the intermediate DC capacitors are saved in the AC/AC conversion. Moreover, the proposed VF-MC can work without use of filter capacitors on generator side, and enable more compact size. The dedicated space-vector-modulation scheme and commutation method are proposed for safe operation of the matrix converter. The voltage spikes due to the leakage inductance of HFT are thus reduced and the additional snubber circuit is avoided in the proposed system. A 1-kW laboratory prototype of the proposed VF-MC based WECS is built to verify the effectiveness of the system experimentally.

Original languageEnglish
JournalIEEE Transactions on Industrial Electronics
DOIs
Publication statusPublished - 17 Jan 2022

Keywords

  • Bridge circuits
  • Capacitors
  • Commutation
  • Generators
  • Inductors
  • Matrix converter
  • Matrix converters
  • soft switching
  • space vector modulation
  • Voltage
  • wind energy conversion system

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'Voltage-Fed Isolated Matrix-Type AC/DC Converter for Wind Energy Conversion System'. Together they form a unique fingerprint.

Cite this