Low Voltage Ride Through Control of Modular Multilevel Converter based HVDC systems

被引：0
|
作者：
Falahi, Ghazal [1 ]
Huang, Alex [1 ]
机构：
[1] North Carolina State Univ, Dept Elect & Comp Engn, FREEDM Syst Ctr, Raleigh, NC 27695 USA
来源：
IECON 2014 - 40TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2014年
关键词：
MMC; HVDC; low voltage ride through;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Low Voltage Ride Through (LVRT) is an important grid requirement for Voltage Source Converter (VSC) based HVDC links. This paper studies the performance of the modular multilevel converter (MMC) VSC based HVDC systems during faults or voltage dips and proposes a new control strategy to improve the LVRT performance. The proposed algorithm controls the system to generate the required active and reactive powers that are calculated mathematically based on the ratings of the MMC-HVDC system and LVRT requirements. The injected active and reactive power values obey the LVRT guidelines and are adaptable to different grid codes. The mathematical calculations are presented and EMTDC/PSCAD simulation evaluates the performance of the proposed method.
引用
收藏
页码：4663 / 4668
页数：6
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