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https://idr.l4.nitk.ac.in/jspui/handle/123456789/9639
Title: | A new control method to mitigate power fluctuations for grid integrated PV/wind hybrid power system using ultracapacitors |
Authors: | Jayalakshmi, N.S. Gaonkar, D.N. |
Issue Date: | 2016 |
Citation: | International Journal of Emerging Electric Power Systems, 2016, Vol.17, 4, pp.451-461 |
Abstract: | The output power obtained from solar-wind hybrid system fluctuates with changes in weather conditions. These power fluctuations cause adverse effects on the voltage, frequency and transient stability of the utility grid. In this paper, a control method is presented for power smoothing of grid integrated PV/wind hybrid system using ultracapacitors in a DC coupled structure. The power fluctuations of hybrid system are mitigated and smoothed power is supplied to the utility grid. In this work both photovoltaic (PV) panels and the wind generator are controlled to operate at their maximum power point. The grid side inverter control strategy presented in this paper maintains DC link voltage constant while injecting power to the grid at unity power factor considering different operating conditions. Actual solar irradiation and wind speed data are used in this study to evaluate the performance of the developed system using MATLAB/Simulink software. The simulation results show that output power fluctuations of solar-wind hybrid system can be significantly mitigated using the ultracapacitor based storage system. by De Gruyter 2016. |
URI: | 10.1515/ijeeps-2015-0183 http://idr.nitk.ac.in/jspui/handle/123456789/9639 |
Appears in Collections: | 1. Journal Articles |
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