Interactions Between Indirect DC-Voltage Estimation and Circulating Current Controllers of MMC-Based HVDC Transmission Systems

Harith R. Wickramasinghe; Georgios Konstantinou; Josep Pou; Vassilios Agelidis

doi:10.1109/TPWRS.2017.2709789

Interactions Between Indirect DC-Voltage Estimation and Circulating Current Controllers of MMC-Based HVDC Transmission Systems

Harith R. Wickramasinghe^*, Georgios Konstantinou, Josep Pou, Vassilios Agelidis

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

Estimation-based indirect dc-voltage control in MMCs interacts with circulating current control methods. This paper proposes an estimation-based indirect dc-voltage control method for MMC-HVDC systems and analyzes its performance compared to alternative estimations. The interactions between estimation-based indirect dc-voltage control and circulating current control methods, active/reactive power regulation are also investigated. The proposed method delivers similar performance to measurement-based direct dc-voltage control, regardless of the circulating current control method. Steady-state and transient performance is demonstrated using a benchmark MMC-HVDC transmission system, implemented in a real-time digital simulator. The results verify the theoretical evaluations and illustrate the operation and performance of the proposed indirect dc-voltage control method.

Original language	English
Journal	I E E E Transactions on Power Systems
Volume	33
Issue number	1
Pages (from-to)	829-838
Number of pages	10
ISSN	0885-8950
DOIs	https://doi.org/10.1109/TPWRS.2017.2709789
Publication status	Published - 2018

Keywords

Dc-voltage estimation
Dc-voltage control
High voltage direct current
Modular multilevel converter
Real-time digital simulator

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10.1109/TPWRS.2017.2709789

InteractionsbetweenIndirectDC VoltageEstimationandCirculatingCurrentControllersofMMC basedHVDCTransmissionSystemsAccepted author manuscript, 4.51 MB

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@article{a49bdbc8cc32457f892f8e4f790f9441,

title = "Interactions Between Indirect DC-Voltage Estimation and Circulating Current Controllers of MMC-Based HVDC Transmission Systems",

abstract = "Estimation-based indirect dc-voltage control in MMCs interacts with circulating current control methods. This paper proposes an estimation-based indirect dc-voltage control method for MMC-HVDC systems and analyzes its performance compared to alternative estimations. The interactions between estimation-based indirect dc-voltage control and circulating current control methods, active/reactive power regulation are also investigated. The proposed method delivers similar performance to measurement-based direct dc-voltage control, regardless of the circulating current control method. Steady-state and transient performance is demonstrated using a benchmark MMC-HVDC transmission system, implemented in a real-time digital simulator. The results verify the theoretical evaluations and illustrate the operation and performance of the proposed indirect dc-voltage control method.",

keywords = "Dc-voltage estimation, Dc-voltage control, High voltage direct current, Modular multilevel converter, Real-time digital simulator",

author = "Wickramasinghe, {Harith R.} and Georgios Konstantinou and Josep Pou and Vassilios Agelidis",

year = "2018",

doi = "10.1109/TPWRS.2017.2709789",

language = "English",

volume = "33",

pages = "829--838",

journal = "I E E E Transactions on Power Systems",

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publisher = "Institute of Electrical and Electronics Engineers",

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Interactions Between Indirect DC-Voltage Estimation and Circulating Current Controllers of MMC-Based HVDC Transmission Systems. / Wickramasinghe, Harith R.; Konstantinou, Georgios; Pou, Josep; Agelidis, Vassilios.

In: I E E E Transactions on Power Systems, Vol. 33, No. 1, 2018, p. 829-838.

Research output: Contribution to journal › Journal article › Research › peer-review

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T1 - Interactions Between Indirect DC-Voltage Estimation and Circulating Current Controllers of MMC-Based HVDC Transmission Systems

AU - Wickramasinghe, Harith R.

AU - Konstantinou, Georgios

AU - Pou, Josep

AU - Agelidis, Vassilios

PY - 2018

Y1 - 2018

N2 - Estimation-based indirect dc-voltage control in MMCs interacts with circulating current control methods. This paper proposes an estimation-based indirect dc-voltage control method for MMC-HVDC systems and analyzes its performance compared to alternative estimations. The interactions between estimation-based indirect dc-voltage control and circulating current control methods, active/reactive power regulation are also investigated. The proposed method delivers similar performance to measurement-based direct dc-voltage control, regardless of the circulating current control method. Steady-state and transient performance is demonstrated using a benchmark MMC-HVDC transmission system, implemented in a real-time digital simulator. The results verify the theoretical evaluations and illustrate the operation and performance of the proposed indirect dc-voltage control method.

AB - Estimation-based indirect dc-voltage control in MMCs interacts with circulating current control methods. This paper proposes an estimation-based indirect dc-voltage control method for MMC-HVDC systems and analyzes its performance compared to alternative estimations. The interactions between estimation-based indirect dc-voltage control and circulating current control methods, active/reactive power regulation are also investigated. The proposed method delivers similar performance to measurement-based direct dc-voltage control, regardless of the circulating current control method. Steady-state and transient performance is demonstrated using a benchmark MMC-HVDC transmission system, implemented in a real-time digital simulator. The results verify the theoretical evaluations and illustrate the operation and performance of the proposed indirect dc-voltage control method.

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KW - Dc-voltage control

KW - High voltage direct current

KW - Modular multilevel converter

KW - Real-time digital simulator

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DO - 10.1109/TPWRS.2017.2709789

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SP - 829

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JO - I E E E Transactions on Power Systems

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