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Cascaded H-bridge MV grid and power balance control for PV systems

  • Bin Zhang*
  • , Zhiyun Bao
  • , Donglai Zhang
  • , Tiecai Li
  • , Zicai Wang
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Shenzhen Academy of Aerospace Technology
  • Shenzhen Polytechnic
  • Harbin Institute of Technology Shenzhen

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

Abstract

In this paper, a new centralized cascaded H-bridge medium-voltage (MV) grid topology model based on the three-phase power system is established and presented, including its control strategy. The influence that the power supply imbalance between three phases which caused by PV array partial shading or module mismatch of Cascaded H-Bridge is analyzed as well, based on which the power balance control algorithm is put forward. Simulation and experimental results show that the algorithm is effective and reliable, it improves the conversion efficiency and grid-connected power quality, solves the key problem of cascaded H-bridge topology used in three-phase system, provides a theoretical basis for the development of new high-power photovoltaic grid-connected inverter.

Original languageEnglish
Title of host publicationPractical Applications of Intelligent Systems - Proceedings of the 8th International Conference on Intelligent Systems and Knowledge Engineering, ISKE 2013
EditorsZhenkun Wen, Tianrui Li
PublisherSpringer Verlag
Pages603-614
Number of pages12
ISBN (Electronic)9783642549267
DOIs
StatePublished - 2014
Externally publishedYes
Event8th International Conference on Intelligent Systems and Knowledge Engineering, ISKE 2013 - Shenzhen, China
Duration: 20 Nov 201323 Nov 2013

Publication series

NameAdvances in Intelligent Systems and Computing
Volume279
ISSN (Print)2194-5357

Conference

Conference8th International Conference on Intelligent Systems and Knowledge Engineering, ISKE 2013
Country/TerritoryChina
CityShenzhen
Period20/11/1323/11/13

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Cascade H-bridge
  • Medium-voltage grid
  • Photovoltaic grid
  • Power compensation
  • Three phases imbalance

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