DC-link current optimal control of current source converter in DFIG

被引：0

作者：

Wang H. ^{[1
]}

Zhang J. ^{[1
]}

Zhu C. ^{[1
]}

Cai X. ^{[1
]}

Zhu M. ^{[1
]}

机构：

[1] The key Laboratory of Control of Power Transmission, Conversion of Ministry of Education, Department of Electrical Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Minhang District, Shanghai

来源：

CPSS Transactions on Power Electronics and Applications | 2021年 / 6卷 / 02期

关键词：

Current source converter; DC-Link current optimal control; Doubly-fed induction generator; Wind energy conversion system;

D O I：

10.24295/CPSSTPEA.2021.00011

中图分类号：

学科分类号：

摘要：

In this paper, a novel control strategy of current source converter (CSC) is proposed for doubly-fed induction generator (DFIG) wind energy conversion system (WECS). Most of the studies on wind forms are based on voltage source converter, nevertheless, with the development of semiconductor technology and high switching frequency reverse block insulated gate bipolar transistor (RB-IGBT) devices being used in CSCs, the shortcomings of conventional CSCs including low switching frequency, large passive devices and slow dynamic performance can be overcome. Furthermore, WECS based on CSCs has various advantages, such like robustness, inherent short-circuit protection, fault ride through capability and so on. To implement the CSCs in DFIG wind energy conversion system, this paper analyzes the system configuration, operation principles, modulation strategy and control strategy. In addition, a novel control strategy based on DC-Link current optimal control is proposed. The simulation and prototype experiments verify the validity of system configuration and control strategy. © 2021 CPSS Transactions on Power Electronics and Applications. All rights reserved.

引用

页码：127 / 135

页数：8

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