Real power regulation design for multi-terminal VSC-HVDC systems

被引：1
作者：
Li, Guo-Jie [1 ]
Ruan, Si-Ye [2 ]
Lie, Tek Tjing [3 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Key Lab Control Power Trafsmiss & Transformat, Shanghai 200240, Peoples R China
[2] State Grid Operat Co Ltd, Beijing, Peoples R China
[3] Auckland Univ Technol, Sch Engn, Dept EEE, Auckland \, New Zealand
来源：
OPEN ENGINEERING | 2013年 / 3卷 / 02期
基金：
中国国家自然科学基金;
关键词：
VSC-HVDC; Multi-terminal; Real power regulation; dc voltage droop; dc voltage control;
D O I：
10.2478/s13531-012-0064-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A multi-terminal voltage-source-converter (VSC) based high voltage direct current (HVDC) system is concerned for its flexibility and reliability. In this study, a control strategy for multiple VSCs is proposed to auto-share the real power variation without changing control mode, which is based on "dc voltage droop" power regulation functions. With the proposed power regulation design, the multiple VSCs automatically share the real power change and the VSC-HVDC system is stable even under loss of any one converter while there is no overloading for any individual converter. Simulation results show that it is effective to balance real power for power disturbance and thus improves operation reliability for the multi-terminal VSC-HVDC system by the proposed control strategy.
引用
收藏
页码：243 / 252
页数：10
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