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Studying the Effect of Decentralized Battery Storage to Smooth the Generated Power of a Grid Integrated Wind Energy Conversion System

Ibrahim, M and Khairy, A and Hagras, H and Zaher, M and El Shafei, A and Shaltout, A and Rehim, NA (2010) Studying the Effect of Decentralized Battery Storage to Smooth the Generated Power of a Grid Integrated Wind Energy Conversion System. In: Proceedings of the 14th International Middle East Power Systems Conference (MEPCON?10), ? - ?.

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Abstract

This work investigates the technical possibility of using battery storage in order to smooth the power generated from a grid connected wind energy converter unit. Wind energy has gained much credit in the past two decades as a sustainable energy resource. The penetration of wind energy generators into the electric utility grids is expected to increase to about 203.5 GW within the present decade. Due to the intermittent nature of the wind and the limited reliability of the wind prognoses there have been serious concerns about reliability and operation of the utility power grids. Battery storage is suggested to compensate wind power fluctuations and smooth the power flow to the utility grids. The battery storage in such applications has dynamic operating conditions and is subjected to different degradation mechanisms which stimulate the capacity losses and hence influence the feasibility of their implementation. In this paper, the real behavior, the technical feasibility of the battery and its effect on wind power fed to the utility grid will be judged. The investigated system is simulated using real measurement data of a 600 kW rated power wind turbine. The simulation results of different battery capacities show that the integration of the battery storage has compensated the fluctuations of the generated wind power to match the forecasting value, which smoothed the power fed to the utility grid and allows better grid operation. Moreover, the battery aging model has generated very important information about the battery degradation and available capacity (in this case of about 85%) after one year of operation. Therefore, further investigations with different battery technologies (e.g. Li-Ion and NiMH) and development of intelligent system operation strategy have to be investigated.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published proceedings: _not provided_ - Notes: Proceedings of the 14th International Middle East Power Systems Conference (MEPCON?10), Cairo University, Egypt, December 19-21, 2010, Paper ID 253.
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 29 Nov 2012 16:47
Last Modified: 17 Aug 2017 18:06
URI: http://repository.essex.ac.uk/id/eprint/4456

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