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Comparison of Three-Clamping-Level and Two-Clamping-Level Discontinuous Modulations in Cascaded H-Bridge Static Compensators

  • Qingxiang Liu
  • , Ezequiel Rodriguez
  • , Glen G. Farivar
  • , Christopher D. Townsend
  • , Josep Pou
  • , Ramon Leyva

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

This paper formulates a three-clamping-level discontinuous pulsewidth modulation (DPWM) for three-phase cascaded H-bridge static compensators with star configuration. Analytical expressions of capacitor voltage and zero-sequence voltage under the three-clamping-level DPWM are provided considering the inherent capacitor voltage oscillations. Based on the derived expressions, the paper analyses: (i) the inductive operation limits, and (ii) the total harmonic distortion (THD) and weighted THD of the output voltages. The results are compared with the continuous modulation and the conventional two-clamping-level DPWM, showing their different performances. © 2023 IEEE.
Original languageEnglish
Title of host publication2023 IEEE Energy Conversion Congress and Exposition (ECCE)
PublisherIEEE
Pages1031-1035
ISBN (Electronic)9798350316445
ISBN (Print)9798350316452
DOIs
Publication statusPublished - 2023
Externally publishedYes
Event15th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2023) - MCC Business Center, Nashville, United States
Duration: 29 Oct 20232 Nov 2023
https://icpe-conf.org/ecce#:~:text=The%20Fifteenth%20Annual%20IEEE%20Energy,as%20well%20as%20an%20exposition.

Publication series

NameIEEE Energy Conversion Congress and Exposition, ECCE
ISSN (Print)2329-3721
ISSN (Electronic)2329-3748

Conference

Conference15th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2023)
PlaceUnited States
CityNashville
Period29/10/232/11/23
Internet address

Research Keywords

  • Cascaded H-bridge (CHB)
  • Discontinuous Modulation (DPWM)
  • Static Compensator (StatCom)

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