Zero-voltage ride-through of flexible power control strategy in single-phase grid-connected photovoltaic inverters

Zhen Zhang, Ruiqing Ma, Yigeng Huangfu, Yongheng Yang

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

As an important part of multiple-function and intelligent single-phase grid-connected Photovoltaic (PV) system, fault ride-through (FRT) has attracted extensive attention in the recent years. According to the continuously updated grid-connected requirements, the inverters should remain connected with grid under grid faults even the grid voltage dips to zero, and provide reactive current injection to support the grid recovery. In this paper, a contrastive evaluation of two intuitive and simple flexible power control methods, which are implemented in two different reference frame, are presented in the case of zero-voltage ride-through (ZVRT) operation. Only the dq-rotating reference frame power control method provides an acceptable ability of ZVRT. In addition, the performance is verified in both the simulation and experiment results.
Original languageEnglish
Title of host publicationProceedings of the IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society
Number of pages6
PublisherIEEE Press
Publication dateOct 2018
Pages6141-6146
Article number8591099
ISBN (Print)978-1-5090-6685-8
ISBN (Electronic)978-1-5090-6684-1
DOIs
Publication statusPublished - Oct 2018
Event44th Annual Conference of the IEEE Industrial Electronics Society - Omni Shoreham Hotel, Washington, United States
Duration: 21 Oct 201823 Oct 2018
http://www.iecon2018.org/

Conference

Conference44th Annual Conference of the IEEE Industrial Electronics Society
LocationOmni Shoreham Hotel
CountryUnited States
CityWashington
Period21/10/201823/10/2018
Internet address
SeriesProceedings of the Annual Conference of the IEEE Industrial Electronics Society
ISSN1553-572X

Keywords

  • Grid-connected
  • Power control
  • Single-phase system
  • Zero-voltage ride-through (ZVRT)
  • PQ control

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