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

被引：32

作者：

Wickramasinghe, Harith R. ^{[1
]}

Konstantinou, Georgios ^{[2
]}

Pou, Josep ^{[3
]}

Agelidis, Vassilios G. ^{[4
]}

机构：

[1] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia

[2] Univ New South Wales, Sydney, NSW 2052, Australia

[3] Nanyang Technol Univ, Dept Elect & Elect Engn, Singapore 639798, Singapore

[4] Danmarks Tekn Univ, Dept Elect Engn, DK-2800 Lyngby, Denmark

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2018年 / 33卷 / 01期

关键词：

Dc-voltage estimation; dc-voltage control; high voltage direct current; modular multilevel converter; real-time digital simulator; MODULAR MULTILEVEL CONVERTERS; CONTROL STRATEGY; CAPACITOR; LINK;

D O I：

10.1109/TPWRS.2017.2709789

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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 controlmethod. 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.

引用

页码：829 / 838

页数：10

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