Condition monitoring method for submodule capacitor in modular multilevel converter

Hanyu Wang; Huai Wang; Yi Zhang; Zhongxu Wang; Xuejun Pei; Yong Kang

doi:10.1109/APEC.2019.8721821

Condition monitoring method for submodule capacitor in modular multilevel converter

Hanyu Wang, Huai Wang, Yi Zhang, Zhongxu Wang, Xuejun Pei, Yong Kang

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

6 Citations (Scopus)

6 Downloads (Pure)

Abstract

As a key component in modular multilevel converter (MMC), the reliability of submodule (SM) capacitor is a major concern. To get the health state of SM capacitor and take proactive action, this paper develops a condition monitoring method without any extra sensors or complicated algorithms. In the proposed method, one SM in each arm is bypassed symmetrically at a time, and the energy stored in each capacitor dissipates through the internal bleeding resistor. The discharging time proves to be an effective indicator of capacitor degradation. The information of all SMs are acquired with a proper rotating sequence. This condition monitoring process could be enabled regularly and demonstrate the degradation trend accurately. Besides, it does not affect the normal operation of MMC, and works well in different control or modulation strategies. Experimental results verify the feasibility of the proposed method.

Original language	English
Title of host publication	Proceedings of 2019 IEEE Annual Applied Power Electronics Conference and Exposition (APEC 2019)
Number of pages	5
Publisher	IEEE Press
Publication date	Mar 2019
Pages	344-348
ISBN (Electronic)	978-1-5386-8330-9
DOIs	https://doi.org/10.1109/APEC.2019.8721821
Publication status	Published - Mar 2019
Event	34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019 - Anaheim, United States Duration: 17 Mar 2019 → 21 Mar 2019

Conference

Conference	34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019
Country/Territory	United States
City	Anaheim
Period	17/03/2019 → 21/03/2019
Sponsor	IEEE Industry Applications Society (IAS), IEEE Power Electronics Society (PELS), Power Sources Manufacturers Association (PSMA)

Series	IEEE Applied Power Electronics Conference and Exposition (APEC)
ISSN	2470-6647

Keywords

Capacitor
Condition monitoring
Discharging
Modular multilevel converter (MMC)

Access to Document

10.1109/APEC.2019.8721821

AUB Link

Search for the material in Aalborg University Library's search engine

Cite this

@inproceedings{1b0682e74cac499d8799f530639c2bc6,

title = "Condition monitoring method for submodule capacitor in modular multilevel converter",

abstract = "As a key component in modular multilevel converter (MMC), the reliability of submodule (SM) capacitor is a major concern. To get the health state of SM capacitor and take proactive action, this paper develops a condition monitoring method without any extra sensors or complicated algorithms. In the proposed method, one SM in each arm is bypassed symmetrically at a time, and the energy stored in each capacitor dissipates through the internal bleeding resistor. The discharging time proves to be an effective indicator of capacitor degradation. The information of all SMs are acquired with a proper rotating sequence. This condition monitoring process could be enabled regularly and demonstrate the degradation trend accurately. Besides, it does not affect the normal operation of MMC, and works well in different control or modulation strategies. Experimental results verify the feasibility of the proposed method.",

keywords = "Capacitor, Condition monitoring, Discharging, Modular multilevel converter (MMC)",

author = "Hanyu Wang and Huai Wang and Yi Zhang and Zhongxu Wang and Xuejun Pei and Yong Kang",

year = "2019",

month = mar,

doi = "10.1109/APEC.2019.8721821",

language = "English",

series = "IEEE Applied Power Electronics Conference and Exposition (APEC)",

publisher = "IEEE Press",

pages = "344--348",

booktitle = "Proceedings of 2019 IEEE Annual Applied Power Electronics Conference and Exposition (APEC 2019)",

note = "34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019 ; Conference date: 17-03-2019 Through 21-03-2019",

}

Wang, H, Wang, H , Zhang, Y, Wang, Z, Pei, X & Kang, Y 2019, Condition monitoring method for submodule capacitor in modular multilevel converter. in Proceedings of 2019 IEEE Annual Applied Power Electronics Conference and Exposition (APEC 2019). IEEE Press, IEEE Applied Power Electronics Conference and Exposition (APEC), pp. 344-348, 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019, Anaheim, United States, 17/03/2019. https://doi.org/10.1109/APEC.2019.8721821

Condition monitoring method for submodule capacitor in modular multilevel converter. / Wang, Hanyu; Wang, Huai ; Zhang, Yi et al.
Proceedings of 2019 IEEE Annual Applied Power Electronics Conference and Exposition (APEC 2019). IEEE Press, 2019. p. 344-348 (IEEE Applied Power Electronics Conference and Exposition (APEC)).

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Condition monitoring method for submodule capacitor in modular multilevel converter

AU - Wang, Hanyu

AU - Wang, Huai

AU - Zhang, Yi

AU - Wang, Zhongxu

AU - Pei, Xuejun

AU - Kang, Yong

PY - 2019/3

Y1 - 2019/3

N2 - As a key component in modular multilevel converter (MMC), the reliability of submodule (SM) capacitor is a major concern. To get the health state of SM capacitor and take proactive action, this paper develops a condition monitoring method without any extra sensors or complicated algorithms. In the proposed method, one SM in each arm is bypassed symmetrically at a time, and the energy stored in each capacitor dissipates through the internal bleeding resistor. The discharging time proves to be an effective indicator of capacitor degradation. The information of all SMs are acquired with a proper rotating sequence. This condition monitoring process could be enabled regularly and demonstrate the degradation trend accurately. Besides, it does not affect the normal operation of MMC, and works well in different control or modulation strategies. Experimental results verify the feasibility of the proposed method.

AB - As a key component in modular multilevel converter (MMC), the reliability of submodule (SM) capacitor is a major concern. To get the health state of SM capacitor and take proactive action, this paper develops a condition monitoring method without any extra sensors or complicated algorithms. In the proposed method, one SM in each arm is bypassed symmetrically at a time, and the energy stored in each capacitor dissipates through the internal bleeding resistor. The discharging time proves to be an effective indicator of capacitor degradation. The information of all SMs are acquired with a proper rotating sequence. This condition monitoring process could be enabled regularly and demonstrate the degradation trend accurately. Besides, it does not affect the normal operation of MMC, and works well in different control or modulation strategies. Experimental results verify the feasibility of the proposed method.

KW - Capacitor

KW - Condition monitoring

KW - Discharging

KW - Modular multilevel converter (MMC)

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U2 - 10.1109/APEC.2019.8721821

DO - 10.1109/APEC.2019.8721821

M3 - Article in proceeding

AN - SCOPUS:85067128898

T3 - IEEE Applied Power Electronics Conference and Exposition (APEC)

SP - 344

EP - 348

BT - Proceedings of 2019 IEEE Annual Applied Power Electronics Conference and Exposition (APEC 2019)

PB - IEEE Press

T2 - 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019

Y2 - 17 March 2019 through 21 March 2019

ER -

Condition monitoring method for submodule capacitor in modular multilevel converter

Abstract

Conference

Keywords

Access to Document

AUB Link

Other files and links

Fingerprint

APETT: Advanced Power Electronic Technology and Tools

Center Of Reliable Power Electronics (CORPE)

Mission Profile Based Control and Reliability Improvement Strategies of Modular Multilevel Converters

Cite this

Condition monitoring method for submodule capacitor in modular multilevel converter

Abstract

Conference

Keywords

Access to Document

AUB Link

Other files and links

Fingerprint

Projects

APETT: Advanced Power Electronic Technology and Tools

Center Of Reliable Power Electronics (CORPE)

Research output

Mission Profile Based Control and Reliability Improvement Strategies of Modular Multilevel Converters

Cite this