A simple space vector PWM scheme with neutral point balancing for three-level neutral point clamped inverter

Yoon Hyuk Ko, Byoung Gun Park, Rae-Young Kim, Dong Seok Hyun, Ha Jin Jung

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Scopus citations

Abstract

Three-level neutral-point diode-clamped (NPC) multi-level inverter has been known as a superior topology of inverters. However, this topology method has an inherent problem of the neutral point potential variation. In this paper, a simple control scheme based on the unified voltage modulation technique has been proposed to balance the neutral-point voltage of three-level NPC inverter. The proposed scheme has been achieved by the calculated off-set voltage including the neutral point balancing factor. The neutral point fluctuation can be simply compensated without additional efforts and easily applied to the unified voltage modulation. The validity of the proposed scheme has been proven through the simulation and experiments results.

Original languageEnglish
Title of host publication2011 IEEE Industry Applications Society Annual Meeting, IAS 2011
DOIs
Publication statusPublished - 2011 Dec 12
Event2011 46th IEEE Industry Applications Society Annual Meeting, IAS 2011 - Orlando, FL, United States
Duration: 2011 Oct 92011 Oct 13

Other

Other2011 46th IEEE Industry Applications Society Annual Meeting, IAS 2011
CountryUnited States
CityOrlando, FL
Period11/10/911/10/13

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Keywords

  • Multi-level inverter
  • Neutral Point Balancing
  • NPC inverter
  • Space Vector PWM

Cite this

Ko, Y. H., Park, B. G., Kim, R-Y., Hyun, D. S., & Jung, H. J. (2011). A simple space vector PWM scheme with neutral point balancing for three-level neutral point clamped inverter. In 2011 IEEE Industry Applications Society Annual Meeting, IAS 2011 [6074330] https://doi.org/10.1109/IAS.2011.6074330