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Suppression Method of DC-side Voltage Fluctuation of SNOP Based on Energy Storage

  • Kang Fu
  • , Kexu Zhao
  • , Hao Yi
  • , Fang Zhuo
  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In order to solve the problem of power quality deterioration at the other port caused by soft normally open point (SNOP) when dealing with three-phase unbalance, this paper first analyzes the causes of the third harmonic and negative sequence components of the normal side current, then proposes a method to suppress the capacitor voltage fluctuation at the DC side by using energy storage, and designs the corresponding control strategy. Finally, the SNOP model with energy storage on the DC side is built and the simulation of unbalance management is carried out, which verifies the good effect of the control strategy proposed in this paper.

Original languageEnglish
Title of host publicationPEAC 2022 - 2022 IEEE International Power Electronics and Application Conference and Exposition, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1298-1303
Number of pages6
ISBN (Electronic)9781665491419
DOIs
StatePublished - 2022
Event3rd IEEE International Power Electronics and Application Conference and Exposition, PEAC 2022 - Xiamen, China
Duration: 4 Nov 2022 → 7 Nov 2022

Publication series

NamePEAC 2022 - 2022 IEEE International Power Electronics and Application Conference and Exposition, Proceedings

Conference

Conference3rd IEEE International Power Electronics and Application Conference and Exposition, PEAC 2022
Country/TerritoryChina
CityXiamen
Period4/11/22 → 7/11/22

Keywords

  • SNOP
  • energy storage
  • three-phase unbalance
  • vector resonant controller

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