FAULT RIDE-THROUGH CAPABILITY OF WIND TURBINE CONNECTED TO THE GRID IN THE CASE OF UNBALANCED VOLTAGES

被引：0
|
作者：
Ivanovic, Zoran R. [1 ]
Vekic, Marko S. [1 ]
Grabic, Stevan U. [1 ]
Todorovic, Ivan M. [1 ]
机构：
[1] Univ Novi Sad, Fac Tech Sci, Novi Sad, Serbia
来源：
THERMAL SCIENCE | 2016年 / 20卷
关键词：
wind turbine; distributed generator; fault ride-through capability; back-to-back converter; hardware-in-the-loop; CONTROL SCHEME; PWM CONVERTER; POWER-CONTROL;
D O I：
10.2298/TSCI150929033I
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper deals with control of wind turbine connected to the grid through the back-to-back converter in case of unbalanced grid voltages. The motivation for this research has been found in recent transmission and distribution grid code, which demand modern wind turbines to stay connected to the grid and supply the highest possible apparent power during the grid disturbances. In order to comply with these requirements we proposed improved dual vector current controller to deal with the unbalance imposed by the electrical grid. Controller provides injection of active and reactive power to the grid, even if the voltages are lower than the nominal one. The results are validated using low power prototype and contemporary hardware-in-the-loop emulation platform. In both cases the controller is based on TMS320F2812 DSP.
引用
收藏
页码：S495 / S512
页数：18
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