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Study on intelligent grid-connected controller for offshore distributed wind power system

  • Huaqiang Zhang*
  • , Jinzhu Dou
  • , Wei Sun
  • *Corresponding author for this work
  • Harbin Institute of Technology Weihai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A kind of new topological structure of grid-connected Z-source inverter used in offshore wind power generation control system is proposed. And its operational principle of the improved Z-source inverter is analyzed. An implementation method of fixed shoot-through step-up ratio control with Space Vector Pulse Width Modulation (SVPWM) system is studied. The mathematical model of three-phase voltage source PWM inverter in the three-phase static coordinate system and two-phase rotation coordinate system is built. The control strategy of fixing Z-network capacitor voltage and decoupled controlling d-q-axis current is used to realize unity power factor grid-connected. The results of simulation verify its correctness of theoretical analysis and validity of control method.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Information Engineering and Applications, IEA 2012
Pages159-166
Number of pages8
EditionVOL. 1
DOIs
StatePublished - 2013
Externally publishedYes
Event2nd International Conference on Information Engineering and Applications, IEA 2012 - Chongqing, China
Duration: 26 Oct 201228 Oct 2012

Publication series

NameLecture Notes in Electrical Engineering
NumberVOL. 1
Volume216 LNEE
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

Conference2nd International Conference on Information Engineering and Applications, IEA 2012
Country/TerritoryChina
CityChongqing
Period26/10/1228/10/12

Keywords

  • Distributed wind power generation
  • Improved Z-source inverter
  • Intelligent grid-connected
  • Simulation

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