Comparative Analysis of Transformer-Energizing and Fault- Caused Voltage Dips on the Dynamic Behavior of DFIG-Based Wind Turbines

被引：0

作者：

de Oliveira, Roger Alves ^{[1
]}

Chen, Cheng ^{[1
]}

Bollen, Math H. J. ^{[1
]}

Leborgne, Roberto Chouhy ^{[2
]}

机构：

[1] Lulea Univ Technol, Elect Power Engn Grp, Skelleftea, Sweden

[2] Univ Fed Rio Grande do Sul, Porto Alegre, RS, Brazil

来源：

2020 IEEE PES INNOVATIVE SMART GRID TECHNOLOGIES EUROPE (ISGT-EUROPE 2020): SMART GRIDS: KEY ENABLERS OF A GREEN POWER SYSTEM | 2020年

关键词：

Power Quality; Voltage Dips; DFIG; Wind Turbine; Transformer Energizing; LVRT; FRT; FED INDUCTION GENERATOR;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This work compares the response of DFIG-based wind turbines under voltage dips caused by transformer-energizing and caused by an asymmetrical fault. Voltage dips with similar retained voltage and duration and the two distinct causes are applied to an equivalent model of a DFIG-based wind park. The dips are different in terms of harmonic content and unbalance during the recovery after the dip. Due to its slow recovery, the transformer-energizing dip results in longer fluctuation in torque, longer overshoot in DC-link voltage, and longer recovery to the pre-dip active power. Also, due to its harmonic content, the harmonic distortion in the rotor and stator current is higher for the transformer-energizing dip. As the impact is different between the transformer-energizing dip and the fault-caused dip, it is recommended to consider both events separately during low-voltage-ride-through studies.

引用

页码：589 / 593

页数：5

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