DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule

Heejin Kim; Jaesik Kang; Sangmin Kim; Chan Ki Kim; Kyeon Hur

doi:10.1109/ICPE.2015.7167915

DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule

Heejin Kim, Jaesik Kang, Sangmin Kim, Chan Ki Kim, Kyeon Hur

Department of Electrical and Electronic Engineering

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

13 Citations (Scopus)

Abstract

This paper proposes an asymmetrical unipolar full-bridge submodule to protect modular multilevel converter from DC fault. The asymmetrical unipolar full-bridge submodule consists of 3 IGBTs, 4 diodes, and 2 capacitors. Central capacitor generates submodule voltage and works during normal operation. The other capacitor named a supplemental capacitor is located in the short circuit current path and charges during DC fault, effectively generating higher opposite voltage than the conventional full-bridge submodule. It thus reduces the required number of full-bridge submodules in each arm and consequently converter loss. This paper investigates DC fault blocking principles and procedures with the asymmetrical unipolar full-bridge submodule applied hybrid MMC. This paper explores the requirements of the full-bridge submodule of MMC to handle DC fault current and compares the semiconductor losses in the cases of using conventional full-bridge submodule and the asymmetrical unipolar full-bridge submodule. Simulation studies validate the efficacy of the proposed scheme.

Original language	English
Title of host publication	9th International Conference on Power Electronics - ECCE Asia
Subtitle of host publication	"Green World with Power Electronics", ICPE 2015-ECCE Asia
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1083-1089
Number of pages	7
ISBN (Electronic)	9788957082546
DOIs	https://doi.org/10.1109/ICPE.2015.7167915
Publication status	Published - 2015 Jul 27
Event	9th International Conference on Power Electronics - ECCE Asia, ICPE 2015-ECCE Asia - Seoul, Korea, Republic of Duration: 2015 Jun 1 → 2015 Jun 5

Publication series

Name	9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia

Other

Other	9th International Conference on Power Electronics - ECCE Asia, ICPE 2015-ECCE Asia
Country/Territory	Korea, Republic of
City	Seoul
Period	15/6/1 → 15/6/5

Bibliographical note

Publisher Copyright:
© 2015 Korean Institute of Power Electronics.

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/ICPE.2015.7167915

Cite this

Kim, H., Kang, J., Kim, S., Kim, C. K., & Hur, K. (2015). DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule. In 9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia (pp. 1083-1089). Article 7167915 (9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICPE.2015.7167915

Kim, Heejin ; Kang, Jaesik ; Kim, Sangmin et al. / DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule. 9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 1083-1089 (9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia).

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title = "DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule",

abstract = "This paper proposes an asymmetrical unipolar full-bridge submodule to protect modular multilevel converter from DC fault. The asymmetrical unipolar full-bridge submodule consists of 3 IGBTs, 4 diodes, and 2 capacitors. Central capacitor generates submodule voltage and works during normal operation. The other capacitor named a supplemental capacitor is located in the short circuit current path and charges during DC fault, effectively generating higher opposite voltage than the conventional full-bridge submodule. It thus reduces the required number of full-bridge submodules in each arm and consequently converter loss. This paper investigates DC fault blocking principles and procedures with the asymmetrical unipolar full-bridge submodule applied hybrid MMC. This paper explores the requirements of the full-bridge submodule of MMC to handle DC fault current and compares the semiconductor losses in the cases of using conventional full-bridge submodule and the asymmetrical unipolar full-bridge submodule. Simulation studies validate the efficacy of the proposed scheme.",

author = "Heejin Kim and Jaesik Kang and Sangmin Kim and Kim, {Chan Ki} and Kyeon Hur",

note = "Publisher Copyright: {\textcopyright} 2015 Korean Institute of Power Electronics.; 9th International Conference on Power Electronics - ECCE Asia, ICPE 2015-ECCE Asia ; Conference date: 01-06-2015 Through 05-06-2015",

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Kim, H, Kang, J, Kim, S, Kim, CK & Hur, K 2015, DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule. in 9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia., 7167915, 9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia, Institute of Electrical and Electronics Engineers Inc., pp. 1083-1089, 9th International Conference on Power Electronics - ECCE Asia, ICPE 2015-ECCE Asia, Seoul, Korea, Republic of, 15/6/1. https://doi.org/10.1109/ICPE.2015.7167915

DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule. / Kim, Heejin; Kang, Jaesik; Kim, Sangmin et al.
9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2015. p. 1083-1089 7167915 (9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia).

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

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AU - Kim, Heejin

AU - Kang, Jaesik

AU - Kim, Sangmin

AU - Kim, Chan Ki

AU - Hur, Kyeon

PY - 2015/7/27

Y1 - 2015/7/27

N2 - This paper proposes an asymmetrical unipolar full-bridge submodule to protect modular multilevel converter from DC fault. The asymmetrical unipolar full-bridge submodule consists of 3 IGBTs, 4 diodes, and 2 capacitors. Central capacitor generates submodule voltage and works during normal operation. The other capacitor named a supplemental capacitor is located in the short circuit current path and charges during DC fault, effectively generating higher opposite voltage than the conventional full-bridge submodule. It thus reduces the required number of full-bridge submodules in each arm and consequently converter loss. This paper investigates DC fault blocking principles and procedures with the asymmetrical unipolar full-bridge submodule applied hybrid MMC. This paper explores the requirements of the full-bridge submodule of MMC to handle DC fault current and compares the semiconductor losses in the cases of using conventional full-bridge submodule and the asymmetrical unipolar full-bridge submodule. Simulation studies validate the efficacy of the proposed scheme.

AB - This paper proposes an asymmetrical unipolar full-bridge submodule to protect modular multilevel converter from DC fault. The asymmetrical unipolar full-bridge submodule consists of 3 IGBTs, 4 diodes, and 2 capacitors. Central capacitor generates submodule voltage and works during normal operation. The other capacitor named a supplemental capacitor is located in the short circuit current path and charges during DC fault, effectively generating higher opposite voltage than the conventional full-bridge submodule. It thus reduces the required number of full-bridge submodules in each arm and consequently converter loss. This paper investigates DC fault blocking principles and procedures with the asymmetrical unipolar full-bridge submodule applied hybrid MMC. This paper explores the requirements of the full-bridge submodule of MMC to handle DC fault current and compares the semiconductor losses in the cases of using conventional full-bridge submodule and the asymmetrical unipolar full-bridge submodule. Simulation studies validate the efficacy of the proposed scheme.

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M3 - Conference contribution

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Y2 - 1 June 2015 through 5 June 2015

ER -

Kim H, Kang J, Kim S, Kim CK, Hur K. DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule. In 9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia. Institute of Electrical and Electronics Engineers Inc. 2015. p. 1083-1089. 7167915. (9th International Conference on Power Electronics - ECCE Asia: "Green World with Power Electronics", ICPE 2015-ECCE Asia). doi: 10.1109/ICPE.2015.7167915

DC fault protection for modular multilevel converter HVDC using asymmetrical unipolar full-bridge submodule

Abstract

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