Research on pre-synchronization control strategy of the micro-grid with multi-VSG

Tao Yan, Cairan Wang, Zong Liu, Shaohua Xu, Yu Ba, Juntao Fei, Jerry Y.S. Lin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Seamless switching is an important guarantee for the inverter to work continuously without stopping when grid-connected power generation system is the transient process from grid-connected to isolated island and from isolated island reclosing. Based on the principle of pre-synchronous operation of traditional synchronous generators, this paper analyzes the principle of pre-synchronous process and its effect on the steady-state of micro grid with multiple virtual synchronous generators. At the same time, the paper analyzes the transient influence of the closed pre-synchronous switch on the power distribution of the micro grid under different phase modes. This paper proposes a pre-synchronous control strategy based on phase recognition. MATLAB/Simulink simulation software is used to verify the correctness and validity of the proposed method.

Original languageEnglish (US)
Pages (from-to)376-381
Number of pages6
JournalGlobal Energy Interconnection
Volume1
Issue number3
DOIs
StatePublished - Aug 2018

Keywords

  • Phase identification
  • Power allocation
  • Pre-synchronization
  • Virtual synchronous generator(VSG)

ASJC Scopus subject areas

  • Automotive Engineering
  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology

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