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

被引：36
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
收藏
页码：829 / 838
页数：10
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