Unbalanced three-phase control using offset-voltage for H-bridge multilevel inverter with faulty power cells

Young M. Park; Han Seoung Lyoo; Hyun W. Lee; Myung G. Jung; Se Hyun Lee; Ji Yoon Yoo

doi:10.1109/PESC.2008.4592203

Unbalanced three-phase control using offset-voltage for H-bridge multilevel inverter with faulty power cells

Young M. Park, Han Seoung Lyoo, Hyun W. Lee, Myung G. Jung, Se Hyun Lee, Ji Yoon Yoo

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

In this paper, unbalanced three-phase control method is proposed to increase the fault tolerance for H-bridge multilevel inverter under the conditions of faulty power cells. It is possible to generate a balanced three-phase line-to-line voltage by phase-shifting and bypassing faulty power cells with a minimum voltage drop. In this method, the concept of voltage modulation by using offset voltage is applied to an unbalanced three-phase control method. Especially, it is possible to use the maximum output voltage of inverter by adopting the real time unbalanced control method of phase voltage irrespective of the fault location and the number of disabled power cells. Also, the feasibility of the proposed method is proved by the H-bridge multilevel inverter test composed of 7-level.

Original language	English
Title of host publication	PESC Record - IEEE Annual Power Electronics Specialists Conference
Pages	1790-1795
Number of pages	6
DOIs	https://doi.org/10.1109/PESC.2008.4592203
Publication status	Published - 2008 Sep 29
Event	PESC '08 - 39th IEEE Annual Power Electronics Specialists Conference - Rhodes, Greece Duration: 2008 Jun 15 → 2008 Jun 19

Other

Other	PESC '08 - 39th IEEE Annual Power Electronics Specialists Conference
Country	Greece
City	Rhodes
Period	08/6/15 → 08/6/19

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering
Modelling and Simulation
Condensed Matter Physics

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10.1109/PESC.2008.4592203

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Cite this

Park, Y. M., Lyoo, H. S., Lee, H. W., Jung, M. G., Lee, S. H., & Yoo, J. Y. (2008). Unbalanced three-phase control using offset-voltage for H-bridge multilevel inverter with faulty power cells. In PESC Record - IEEE Annual Power Electronics Specialists Conference (pp. 1790-1795). [4592203] https://doi.org/10.1109/PESC.2008.4592203

Unbalanced three-phase control using offset-voltage for H-bridge multilevel inverter with faulty power cells. / Park, Young M.; Lyoo, Han Seoung; Lee, Hyun W.; Jung, Myung G.; Lee, Se Hyun; Yoo, Ji Yoon.

PESC Record - IEEE Annual Power Electronics Specialists Conference. 2008. p. 1790-1795 4592203.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Park, YM, Lyoo, HS, Lee, HW, Jung, MG, Lee, SH & Yoo, JY 2008, Unbalanced three-phase control using offset-voltage for H-bridge multilevel inverter with faulty power cells. in PESC Record - IEEE Annual Power Electronics Specialists Conference., 4592203, pp. 1790-1795, PESC '08 - 39th IEEE Annual Power Electronics Specialists Conference, Rhodes, Greece, 08/6/15. https://doi.org/10.1109/PESC.2008.4592203

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