Control of DFIG-WT under unbalanced grid voltage conditions

被引：0

作者：

Luna, Alvaro ^{[1
]}

Lima, Kleber ^{[2
]}

Corcoles, Felipe ^{[1
]}

Watanabe, Edson ^{[2
]}

Rodriguez, Pedro ^{[1
]}

Teodorescu, Remus ^{[2
]}

机构：

[1] Tech Univ Catalonia, C Colom 1, Terrassa 08222, Spain

[2] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil

来源：

2009 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION, VOLS 1-6 | 2009年

关键词：

AC generators; Current Control; Electrical Engineering; Wind Power Generation; STEADY-STATE ERROR; INDUCTION MACHINES; SAGS; SYSTEMS; FILTERS; DIPS;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The voltage oriented control in the synchronous reference frame (VOC-SRF) have been extensively used for controlling wind turbines based on doubly fed induction generators (DFIG-WTs) through the rotor side converter of a back to back power processor. Although its performance is fast and accurate under balanced conditions its behaviour is not good enough when the voltage of the mains is unbalanced, unless an independent control for the positive and the negative sequence is implemented. This paper proposes a new control system able to control the DFIG-WT under unbalanced conditions using a simple algorithm, which does not need to be implemented for both symmetrical components but on the static alpha beta reference frame. The reliability of the presented system will be tested by means of PSCAD simulations under balanced and unbalanced grid conditions.

引用

页码：774 / +

页数：3

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