Switching performance optimization for a hybrid AC/DC microgrid using an improved VSG control strategy

Jiannan Liu, M. J. Hossain, Junwei Lu

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

    1 Citation (Scopus)

    Abstract

    The hybrid AC/DC microgrid gains a great attention in recent years as it can improve the energy efficiency and ensure the reliability of the system. This paper makes an investigation on the operation mode switching performance of an AC/DC combined hybrid microgrid based on a real system at Griffith University, Queensland, Australia. An improved virtual synchronous generator (VSG) control strategy is developed to optimize the switching performance from the grid-tied mode to the islanding mode. The basic VSG principle is described and the improved VSG model is introduced. Based on the improved model, a pre-synchronization method is proposed. Comparison of the microgrid performance between conventional droop control and the improved VSG control is carried out by simulation on Matlab/SIMULINK environment. Simulation results show the advantage of VSG control strategy and the validity of the pre-synchronization method.

    Original languageEnglish
    Title of host publication2017 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia)
    Place of PublicationPiscataway, NJ
    PublisherInstitute of Electrical and Electronics Engineers (IEEE)
    Pages1-5
    Number of pages5
    ISBN (Electronic)9781538649503
    ISBN (Print)9781538649510
    DOIs
    Publication statusPublished - 2017
    Event7th IEEE Innovative Smart Grid Technologies - Asia, ISGT-Asia 2017 - Auckland, New Zealand
    Duration: 4 Dec 20177 Dec 2017

    Publication series

    Name
    ISSN (Electronic)2378-8542

    Conference

    Conference7th IEEE Innovative Smart Grid Technologies - Asia, ISGT-Asia 2017
    CountryNew Zealand
    CityAuckland
    Period4/12/177/12/17

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