Passivity-Based Design for High-Order Harmonic Voltage Emulation of Grid Emulators

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Abstract

The high-order (i.e., 50th~ 100th) harmonic voltage emulation is increasingly required for future grid emulators. To mitigate adverse control interactions between grid emulator and converter under test, this paper proposes a passivity-based design method for the harmonic resonant controllers of grid emulators. This method selects the phase compensation angles of resonant controllers based on the theory of constrained piecewise linear fitting. Compared to conventional passivity-based design, the proposed method avoids complicated mathematical derivations and achieves precise harmonic voltage control with the passive harmonic impedance till the critical frequency of voltage control loop. The effectiveness of the proposed method is validated by experimental results.
Original languageEnglish
Title of host publication2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)
Number of pages6
PublisherIEEE
Publication date15 May 2022
Pages2394-2399
ISBN (Electronic)9784886864253
DOIs
Publication statusPublished - 15 May 2022
EventIPEC 2022 ECCE Asia - Himeji city culture and convention center, Himeji, Japan
Duration: 15 May 202219 May 2022
https://www.ipec2022.org/index.html

Conference

ConferenceIPEC 2022 ECCE Asia
LocationHimeji city culture and convention center
Country/TerritoryJapan
CityHimeji
Period15/05/202219/05/2022
Internet address

Keywords

  • Harmonic emulation
  • passivity-based design
  • compensation angle
  • constrained piecewise linear fitting

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