Unified DC-Link Current Control for Low-Voltage Ride-Through in Current-Source-Converter-Based Wind Energy Conversion Systems

被引：92

作者：

Dai, Jingya ^{[1
]}

Xu, Dewei ^{[1
]}

Wu, Bin ^{[1
]}

Zargari, Navid R. ^{[2
]}

机构：

[1] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada

[2] Rockwell Automat, Medium Voltage Dr Res & Dev Dept, Cambridge, ON N1R 5X1, Canada

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2011年 / 26卷 / 01期

关键词：

Current source converter (CSC); low-voltage ride-through; wind energy conversion system (WECS); TURBINE; RECTIFIER; SCHEME;

D O I：

10.1109/TPEL.2010.2059377

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：

The increased penetration of wind power into utility grid brings challenges to power converter design in wind energy conversion systems (WECSs). Among all, low-voltage ride-through has been enforced in the field, which is one of the major challenges for WECS. It is necessary to design an integrated controller to protect the converter from overvoltage/overcurrent and to support the grid voltage during faults and recoveries. In this paper, a unified dc-link current control scheme for current-source-converter-based WECS is proposed. The controllers for generator-and grid-side converters are coordinated to provide fault ride-through capability. In normal operations, the proposed control scheme can also smooth the real power flow while keeping the fast dynamic performance of the dc-link current control. Simulation and experimental results are provided to verify the proposed control scheme.

引用

页码：288 / 297

页数：10

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