Comparison between back-to-back MMC and M3C as high power AC/AC converters

Shenquan Liu; Xifan Wang; Biyang Wang; Pengwei Sun; Qian Zhou; Yong Cui

doi:10.1109/APPEEC.2016.7779588

Comparison between back-to-back MMC and M³C as high power AC/AC converters

Shenquan Liu
, Xifan Wang
, Biyang Wang
, Pengwei Sun
, Qian Zhou
, Yong Cui

School of Electrical Engineering

Xi'an Jiaotong University
State Grid Corporation of China

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

35 Scopus citations

Abstract

Fractional frequency transmission system (FFTS) is a promising solution to offshore wind power integration. The back-to-back modular multilevel converter (MMC) and modular multilevel matrix converter (M³C) are universally regarded as two promising ac/ac converter candidates of the next generation. This paper performs a detailed comparison between back-to-back MMC and M³C with special emphasis on their total capacitor and semiconductor ratings. The arm current and capacitor ripples are first analyzed, then comparison results of a 220 kV, 500 MW case is given. In terms of peak-current-based and RMS-current-based total semiconductor ratings the M³C is 42.56 % and 22.97 % larger respectively, while its total capacitor rating is merely 33.15% of the back-to-back MMC. The better candidate can be determined according to the quantitative comparison results and the latest prices of semiconductors and capacitors.

Original language	English
Title of host publication	IEEE PES APPEEC 2016 - 2016 IEEE PES Asia Pacific Power and Energy Engineering Conference
Publisher	IEEE Computer Society
Pages	671-676
Number of pages	6
ISBN (Electronic)	9781509054183
DOIs	https://doi.org/10.1109/APPEEC.2016.7779588
State	Published - 9 Dec 2016
Event	2016 IEEE PES Asia Pacific Power and Energy Engineering Conference, APPEEC 2016 - Xi'an, China Duration: 25 Oct 2016 → 28 Oct 2016

Publication series

Name	Asia-Pacific Power and Energy Engineering Conference, APPEEC
Volume	2016-December
ISSN (Print)	2157-4839
ISSN (Electronic)	2157-4847

Conference

Conference	2016 IEEE PES Asia Pacific Power and Energy Engineering Conference, APPEEC 2016
Country/Territory	China
City	Xi'an
Period	25/10/16 → 28/10/16

Keywords

fractional frequency transmission system
modular multilevel converter

Access to Document

10.1109/APPEEC.2016.7779588

Cite this

Liu, S., Wang, X., Wang, B., Sun, P., Zhou, Q., & Cui, Y. (2016). Comparison between back-to-back MMC and M³C as high power AC/AC converters. In IEEE PES APPEEC 2016 - 2016 IEEE PES Asia Pacific Power and Energy Engineering Conference (pp. 671-676). Article 7779588 (Asia-Pacific Power and Energy Engineering Conference, APPEEC; Vol. 2016-December). IEEE Computer Society. https://doi.org/10.1109/APPEEC.2016.7779588

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title = "Comparison between back-to-back MMC and M3C as high power AC/AC converters",

abstract = "Fractional frequency transmission system (FFTS) is a promising solution to offshore wind power integration. The back-to-back modular multilevel converter (MMC) and modular multilevel matrix converter (M3C) are universally regarded as two promising ac/ac converter candidates of the next generation. This paper performs a detailed comparison between back-to-back MMC and M3C with special emphasis on their total capacitor and semiconductor ratings. The arm current and capacitor ripples are first analyzed, then comparison results of a 220 kV, 500 MW case is given. In terms of peak-current-based and RMS-current-based total semiconductor ratings the M3C is 42.56 \% and 22.97 \% larger respectively, while its total capacitor rating is merely 33.15\% of the back-to-back MMC. The better candidate can be determined according to the quantitative comparison results and the latest prices of semiconductors and capacitors.",

keywords = "fractional frequency transmission system, modular multilevel converter",

author = "Shenquan Liu and Xifan Wang and Biyang Wang and Pengwei Sun and Qian Zhou and Yong Cui",

note = "Publisher Copyright: {\textcopyright} 2016 IEEE.; 2016 IEEE PES Asia Pacific Power and Energy Engineering Conference, APPEEC 2016 ; Conference date: 25-10-2016 Through 28-10-2016",

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day = "9",

doi = "10.1109/APPEEC.2016.7779588",

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Liu, S, Wang, X, Wang, B, Sun, P, Zhou, Q & Cui, Y 2016, Comparison between back-to-back MMC and M³C as high power AC/AC converters. in IEEE PES APPEEC 2016 - 2016 IEEE PES Asia Pacific Power and Energy Engineering Conference., 7779588, Asia-Pacific Power and Energy Engineering Conference, APPEEC, vol. 2016-December, IEEE Computer Society, pp. 671-676, 2016 IEEE PES Asia Pacific Power and Energy Engineering Conference, APPEEC 2016, Xi'an, China, 25/10/16. https://doi.org/10.1109/APPEEC.2016.7779588

Comparison between back-to-back MMC and M³C as high power AC/AC converters. / Liu, Shenquan; Wang, Xifan; Wang, Biyang et al.
IEEE PES APPEEC 2016 - 2016 IEEE PES Asia Pacific Power and Energy Engineering Conference. IEEE Computer Society, 2016. p. 671-676 7779588 (Asia-Pacific Power and Energy Engineering Conference, APPEEC; Vol. 2016-December).

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

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AU - Zhou, Qian

AU - Cui, Yong

PY - 2016/12/9

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N2 - Fractional frequency transmission system (FFTS) is a promising solution to offshore wind power integration. The back-to-back modular multilevel converter (MMC) and modular multilevel matrix converter (M3C) are universally regarded as two promising ac/ac converter candidates of the next generation. This paper performs a detailed comparison between back-to-back MMC and M3C with special emphasis on their total capacitor and semiconductor ratings. The arm current and capacitor ripples are first analyzed, then comparison results of a 220 kV, 500 MW case is given. In terms of peak-current-based and RMS-current-based total semiconductor ratings the M3C is 42.56 % and 22.97 % larger respectively, while its total capacitor rating is merely 33.15% of the back-to-back MMC. The better candidate can be determined according to the quantitative comparison results and the latest prices of semiconductors and capacitors.

AB - Fractional frequency transmission system (FFTS) is a promising solution to offshore wind power integration. The back-to-back modular multilevel converter (MMC) and modular multilevel matrix converter (M3C) are universally regarded as two promising ac/ac converter candidates of the next generation. This paper performs a detailed comparison between back-to-back MMC and M3C with special emphasis on their total capacitor and semiconductor ratings. The arm current and capacitor ripples are first analyzed, then comparison results of a 220 kV, 500 MW case is given. In terms of peak-current-based and RMS-current-based total semiconductor ratings the M3C is 42.56 % and 22.97 % larger respectively, while its total capacitor rating is merely 33.15% of the back-to-back MMC. The better candidate can be determined according to the quantitative comparison results and the latest prices of semiconductors and capacitors.

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