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浙江大学学报(工学版)
J4  2014, Vol. 48 Issue (4): 575-580    DOI: 10.3785/j.issn.1008-973X.2014.04.003
电气工程     
非理想电网下双馈感应发电机谐振滑模控制
全宇, 年珩
浙江大学 电气工程学院,浙江 杭州 310027
Resonant-based sliding mode control of doubly-fed induction generator connected to unideal grid
QUAN Yu, NIAN Heng
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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摘要：

为了提高不平衡及谐波电网下双馈感应发电机(DFIG)的运行性能,提出静止坐标系下的谐振滑模控制策略.以输出定子有功/无功功率平稳为控制目标,通过在滑模控制的切换面方程中加入6倍频的谐振控制器,消除不平衡及谐波电网电压下DFIG功率跟踪的误差.分析所提控制策略的稳定性和收敛性.通过构建不平衡及谐波电压电网下的DFIG实验系统,采用提出的谐振滑模控制方法实现了DFIG输出有功功率及无功功率的平稳输出,验证了提出的谐振滑模控制与传统积分滑模控制相比具有更优越的稳态控制性能和动态响应能力.
Abstract:

The resonant-based sliding mode control was proposed in order to enhance the operation performance of doubly-fed induction generator (DFIG) connected to grid with unbalanced and harmonic voltage. In order to ensure the stable stator output active/reactive power, the power tracking errors under unbalanced and harmonic grid voltage were avoided by applying the resonant controller tuned at the 6th fundamental frequency in the switching surface of the sliding mode control. Then the stability and convergence capability of the proposed control strategy were analyzed. The experiments of the DFIG system were conducted under the unbalance and harmonics distorted grid. The stable stator output active/reactive power was achieved based on the proposed strategy, which validates that the resonant-based sliding mode control strategy can achieve the more stable control performance and dynamic response capability compared with the integral sliding mode control.
出版日期: 2014-09-03
:  TM 315  
基金资助:

国家“863”高技术研究发展计划资助项目(2011AA050204).
通讯作者: 年珩,男,副教授.     E-mail: nianheng@zju.edu.cn
作者简介: 全宇(1986—),女,博士生,从事不平衡及谐波电网下风电系统控制技术的研究. E-mail: quanyu1212@163.com
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引用本文:

全宇, 年珩. 非理想电网下双馈感应发电机谐振滑模控制[J]. J4, 2014, 48(4): 575-580.

QUAN Yu, NIAN Heng. Resonant-based sliding mode control of doubly-fed induction generator connected to unideal grid. J4, 2014, 48(4): 575-580.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.04.003    或    http://www.zjujournals.com/eng/CN/Y2014/V48/I4/575

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