Study on Impedance Measurement Device for Grid-Connected Converters Based on Model Predictive Control

  • Yihan Xie
  • , Deshuo Yu
  • , Yuguo Li
  • , Zhilong Zhang
  • , Hao Yi
  • , Fang Zhuo

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

3 Scopus citations

Abstract

The dynamic stability problems caused by the broadband interfering characteristics of power electronics grid-connected systems have received wide attention due to the large-scale installation of renewable energy and intelligent distribution equipment. Measuring the port impedance of grid-connected converters and determining the system stability by using Nyquist stability criterion is the most commonly used method in broadband stability studies. This paper presents an impedance measurement method by generating series disturbance voltage, where the broadband disturbance is generated by means of model predictive control (MPC) with a frequency domain segmentation model. A comparison with theoretical calculations shows that the method enables accurate measurement of the port impedance of grid-connected converters over broadband frequency range, providing a basis for system stability analysis.

Original languageEnglish
Title of host publicationICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia
Subtitle of host publicationGreen World with Power Electronics
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1718-1724
Number of pages7
ISBN (Electronic)9788957083505
DOIs
StatePublished - 2023
Event11th International Conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia - Jeju, Korea, Republic of
Duration: 22 May 202325 May 2023

Publication series

NameICPE 2023-ECCE Asia - 11th International Conference on Power Electronics - ECCE Asia: Green World with Power Electronics

Conference

Conference11th International Conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia
Country/TerritoryKorea, Republic of
CityJeju
Period22/05/2325/05/23

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

  • Broadband disturbance generator
  • grid-connected converters
  • impedance measurement
  • model predictive control (MPC)

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