Interface compensation for more accurate power transfer and signal synchronization within power hardware-in-the-loop simulation

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Abstract

Power hardware-in-the-loop (PHIL) simulation leverages the real-time emulation of a large-scale complex power system, while also enabling the in-depth investigation of novel actual power components and their interactions with the emulated power grid. The dynamics and non-ideal characteristics (e.g., time delay, non-unity gain, and limited bandwidth) of the power interface result in stability and accuracy issues within the PHIL closed-loop simulations. In this paper, a compensation method is proposed to compensate for the non-ideal power interface by maximizing its bandwidth, maintaining its unity-gain characteristic, and compensating for its phase-shift over the frequencies of interest. The accuracy of power signals synchronization and the transparency of power transfer within the PHIL configuration are assessed by employing the error metrics. In conjunction with the frequency-domain stability analysis and the time-domain simulations, a case study is made to validate the proposed compensation method.
Original languageEnglish
Title of host publicationIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society
Place of PublicationPiscataway, N.J.
PublisherIEEE
Number of pages8
ISBN (Electronic)9781665435543
ISBN (Print)9781665402569
DOIs
Publication statusPublished - 13 Nov 2021
EventIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society - Toronto, Toronto, Canada
Duration: 13 Oct 202116 Oct 2021
https://ieeeiecon.org/

Publication series

NameIECON Proceedings (Industrial Electronics Conference)
Volume2021-October

Conference

ConferenceIECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society
Country/TerritoryCanada
CityToronto
Period13/10/2116/10/21
Internet address

Keywords

  • power hardware-in-the-loop (PHIL)
  • power transfer
  • signal synchronization
  • power interface compensation
  • stability analysis
  • accuracy assessment

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