Accelerated switching function model of hybrid MMCs for HVDC system simulation

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Accelerated switching function model of hybrid MMCs for HVDC system simulation. / Li, Rui; Xu, Lie; Guo, Deyang.

In: IET Power Electronics, 10.08.2017.

Research output: Contribution to journalArticle

Harvard

Li, R, Xu, L & Guo, D 2017, 'Accelerated switching function model of hybrid MMCs for HVDC system simulation' IET Power Electronics. DOI: 10.1049/iet-pel.2016.0989

APA

Li, R., Xu, L., & Guo, D. (2017). Accelerated switching function model of hybrid MMCs for HVDC system simulation. IET Power Electronics. DOI: 10.1049/iet-pel.2016.0989

Vancouver

Li R, Xu L, Guo D. Accelerated switching function model of hybrid MMCs for HVDC system simulation. IET Power Electronics. 2017 Aug 10. Available from, DOI: 10.1049/iet-pel.2016.0989

Author

Li, Rui; Xu, Lie; Guo, Deyang / Accelerated switching function model of hybrid MMCs for HVDC system simulation.

In: IET Power Electronics, 10.08.2017.

Research output: Contribution to journalArticle

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@article{9479dde1f6f84af8adb322970f25afcd,
title = "Accelerated switching function model of hybrid MMCs for HVDC system simulation",
abstract = "An accelerated switching function model (SFM) of the hybrid modular multilevel converter comprising both full-bridge (FB) and half-bridge (HB) submodules (SMs) in each arm is presented for HVDC system simulation, where auxiliary circuits are adopted to represent all possible current paths during normal and fault conditions. The proposed SFM can represent the negative voltage generating capability of the FB SMs and the equivalent switching functions in the blocking states of the FB and HB SMs are also introduced in the proposed model to accurately replicate the potential charging of the SM capacitors, yielding improved simulation accuracy compared to other alternatives. In addition to the faster simulation speed, the proposed model accurately reproduces the converter behaviour during various operating conditions, including normal operation, AC fault, and DC fault, etc. The proposed SFMs are assessed in MATLAB/Simulink environment using both down- and full-scale HVDC links and the simulation results confirm the validity of the proposed model in terms of model accuracy and improved simulation speed.",
keywords = "switiching function model, HVDC, modular multilevel converter (MMC)",
author = "Rui Li and Lie Xu and Deyang Guo",
year = "2017",
month = "8",
doi = "10.1049/iet-pel.2016.0989",
journal = "IET Power Electronics",
issn = "1755-4535",
publisher = "Institution of Engineering and Technology",

}

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TY - JOUR

T1 - Accelerated switching function model of hybrid MMCs for HVDC system simulation

AU - Li,Rui

AU - Xu,Lie

AU - Guo,Deyang

PY - 2017/8/10

Y1 - 2017/8/10

N2 - An accelerated switching function model (SFM) of the hybrid modular multilevel converter comprising both full-bridge (FB) and half-bridge (HB) submodules (SMs) in each arm is presented for HVDC system simulation, where auxiliary circuits are adopted to represent all possible current paths during normal and fault conditions. The proposed SFM can represent the negative voltage generating capability of the FB SMs and the equivalent switching functions in the blocking states of the FB and HB SMs are also introduced in the proposed model to accurately replicate the potential charging of the SM capacitors, yielding improved simulation accuracy compared to other alternatives. In addition to the faster simulation speed, the proposed model accurately reproduces the converter behaviour during various operating conditions, including normal operation, AC fault, and DC fault, etc. The proposed SFMs are assessed in MATLAB/Simulink environment using both down- and full-scale HVDC links and the simulation results confirm the validity of the proposed model in terms of model accuracy and improved simulation speed.

AB - An accelerated switching function model (SFM) of the hybrid modular multilevel converter comprising both full-bridge (FB) and half-bridge (HB) submodules (SMs) in each arm is presented for HVDC system simulation, where auxiliary circuits are adopted to represent all possible current paths during normal and fault conditions. The proposed SFM can represent the negative voltage generating capability of the FB SMs and the equivalent switching functions in the blocking states of the FB and HB SMs are also introduced in the proposed model to accurately replicate the potential charging of the SM capacitors, yielding improved simulation accuracy compared to other alternatives. In addition to the faster simulation speed, the proposed model accurately reproduces the converter behaviour during various operating conditions, including normal operation, AC fault, and DC fault, etc. The proposed SFMs are assessed in MATLAB/Simulink environment using both down- and full-scale HVDC links and the simulation results confirm the validity of the proposed model in terms of model accuracy and improved simulation speed.

KW - switiching function model

KW - HVDC

KW - modular multilevel converter (MMC)

UR - http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=4475725

U2 - 10.1049/iet-pel.2016.0989

DO - 10.1049/iet-pel.2016.0989

M3 - Article

JO - IET Power Electronics

T2 - IET Power Electronics

JF - IET Power Electronics

SN - 1755-4535

ER -

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