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Impact of Reactive Power in Power Evacuation from Wind Turbines

Author(s): Ashish Ranjan | S. Prabhakar Karthikeyan | Ankur Ahuja | K. Palanisamy | I. Jacob Raglend | D. P. Kothari

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 01;
Issue: 01;
Start page: 15;
Date: 2009;
Original page

Keywords: Distributed Generation (DG) | Grid | Wind Turbines | Induction Generator | Islanding | Power Evacuation | Point of Common Connection 3 Phase to Ground Fault

Application of Distributed Generation (DG) to supply the demands of a diverse customer base plays a vital role in the renewable energy environment. Various DG technologies are being integrated into power systems to provide alterna-tives to energy sources and to improve reliability of the system. Power Evacuation from these remotely located DG’s remains a major concern for the power utilities these days. The main cause of concern regarding evacuation is con-sumption of reactive power for excitation by Induction Generators (IG) used in wind power production which affects the power system in variety of ways. This paper deals with the issues related to reactive power consumption by Induc-tion generators during power evacuation. Induction generator based wind turbine model using MATLAB/SIMULINK is simulated and its impact on the grid is observed. The simulated results are analyzed and validated with the real time results for the system considered. A wind farm is also modeled and simulations are carried out to study the various im-pacts it has on the grid & nearby wind turbines during Islanding and system event especially on 3-Phase to ground fault.
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