Work in Progress: Output Impedance Specification of A Three-Phase Current-Source Inverter for Modular Photovoltaic Applications

Qilin Peng, Giovanni Migliazza, Giampaolo Buticchi, Sandro Guenter, Nadia M.L. Tan, Jiajun Yang, Patrick Wheeler

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

1 Citation (Scopus)

Abstract

Impedance-based stability assessment has been an important part of renewable integration. Modeling and measurement of impedance under Synchronized Reference Frame (SRF) is a common way for a portrait of the frequency-dependent impedance. In this paper, a modified current-source inverter (CSI) called CSI7 for photovoltaic (PV) integration is studied. The SRF admittance of the system under different solar irradiation from 400W/m2 to 1000W/m2 with a resolution of 100W/m2 is measured in PLECS simulation. It is found that large frequency-dependent admittance appears under the high-frequency zone of the q axis which could lead to harmonic instability problems.

Original languageEnglish
Title of host publication2023 IEEE International Conference on Industrial Technology, ICIT 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350336504
DOIs
Publication statusPublished - 2023
Event2023 IEEE International Conference on Industrial Technology, ICIT 2023 - Orlando, United States
Duration: 4 Apr 20236 Apr 2023

Publication series

NameProceedings of the IEEE International Conference on Industrial Technology
Volume2023-April

Conference

Conference2023 IEEE International Conference on Industrial Technology, ICIT 2023
Country/TerritoryUnited States
CityOrlando
Period4/04/236/04/23

Keywords

  • current-source converter
  • impedance
  • photovoltaic
  • stability analysis

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

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