Harmonics and inter harmonics estimation of DFIG based standalone wind power system by parametric techniques

被引：18
|
作者：
Agrawal, Sanjay [1 ]
Mohanty, Soumya R. [1 ]
Agarwal, Vineeta [1 ]
机构：
[1] MNNIT, Dept Elect Engn, Allahabad, Uttar Pradesh, India
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2015年 / 67卷
关键词：
Doubly fed induction generator (DFIG); Harmonics; Inter-harmonics; Sliding window ESPRIT; Sliding window Root MUSIC; INTERHARMONICS;
D O I：
10.1016/j.ijepes.2014.11.014
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：
This paper presents application of parametric techniques (Estimation of signal parameter by rotational invariance techniques (ESPRIT), Root multiple signal classification (Root MUSIC)) for the estimation of harmonics/inter harmonics produced by wind generator under constant, variable rotor speed, load imbalance. Accuracy of estimation by parametric techniques is checked on synthetic signal as well as signal extracted from DFIG based standalone system with constant rotor speed and balanced load condition. Further sliding window concept is applied to parametric techniques to estimate the harmonics/inter harmonics under variable rotor speed and load unbalance. Series of simulation results demonstrate the advantages of the sliding window ESPRIT over sliding window Root MUSIC in the estimation of harmonics and inter harmonics under variable rotor speed as well as load unbalance condition. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：52 / 65
页数：14
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