<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The increasing wind power integration with power grid has forced the situation to improve the reliability of wind generators for stable operation. One important problem with induction generator based wind farm is its low ride through capability to the grid voltage disturbance. Any disturbance such as voltage dip may cause wind farm outages. Since wind power contribution is in predominant percentage, such outages may lead to stability problem. The proposed strategy is to use dynamic voltage controller (DVR) to compensate the voltage disturbance. The DVR provides the wind generator the ability to remain connected in grid and improve the reliability. The voltage dips due to symmetrical and unsymmetrical faults are considered for analysis. The vector control scheme is employed for fault compensation which uses software phase locked loop scheme and park dq0 transformation technique. Extensive simulation results are included to illustrate the control and operation of DVR.</p></abstract>

The increasing wind power integration with power grid has forced the situation to improve the reliability of wind generators for stable operation. One important problem with induction generator based wind farm is its low ride through capability to the grid voltage disturbance. Any disturbance such as voltage dip may cause wind farm outages. Since wind power contribution is in predominant percentage, such outages may lead to stability problem. The proposed strategy is to use dynamic voltage controller (DVR) to compensate the voltage disturbance. The DVR provides the wind generator the ability to remain connected in grid and improve the reliability. The voltage dips due to symmetrical and unsymmetrical faults are considered for analysis. The vector control scheme is employed for fault compensation which uses software phase locked loop scheme and park dq0 transformation technique. Extensive simulation results are included to illustrate the control and operation of DVR.

Improving Low Voltage Ride Through Capability of Wind Generators Using Dynamic Voltage Restorer

Department of Electrical and Electronics Engineering, Thiagarajar College of Engineering, Madurai, Tamil Nadu, India

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The increasing wind power integration with power grid has forced the situation to improve the reliability of wind generators for stable operation. One...

Improving Low Voltage Ride Through Capability of Wind Generators Using Dynamic Voltage Restorer

Published Online: Aug 21, 2014

Page range: 235 - 241

Received: Feb 13, 2013

DOI: https://doi.org/10.2478/jee-2014-0036

Keywords
voltage dip, impact of dip, DVR, vector control, fault ride-through control, dip mitigation

© 2014 Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Improving Low Voltage Ride Through Capability of Wind Generators Using Dynamic Voltage Restorer

Published Online: Aug 21, 2014

Page range: 235 - 241

Received: Feb 13, 2013

DOI: https://doi.org/10.2478/jee-2014-0036

Keywordsvoltage dip, impact of dip, DVR, vector control, fault ride-through control, dip mitigation

© 2014 Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
voltage dip, impact of dip, DVR, vector control, fault ride-through control, dip mitigation