A Combination of Wind-Hydro System Connected To Two Back To Back Converters with an Energy Storage Battery System

International Journal of Electrical and Electronics Engineering

© 2014 by SSRG - IJEEE Journal

Volume 1 Issue 9

Year of Publication : 2014

Authors : Sarat Nagireddi, Battu Vinod kumar

10.14445/23488379/IJEEE-V1I9P118

How to Cite?

Sarat Nagireddi, Battu Vinod kumar, "A Combination of Wind-Hydro System Connected To Two Back To Back Converters with an Energy Storage Battery System," SSRG International Journal of Electrical and Electronics Engineering, vol. 1,  no. 9, pp. 15-20, 2014. Crossref, https://doi.org/10.14445/23488379/IJEEE-V1I9P118

Abstract:

This paper presents the simplified control of hybrid system (wind –hydro) system connected to two back-to-back converters in which one is connected to hydro turbine and the other is connected to wind turbine system through squirrel cage induction generators (SCIG) feeding three phase four wire loads in isolated locations. The main objective of this work is to provide a better control algorithm for the VSC and to achieve maximum power tracking (M.P.T) through rotor speed control of the wind turbine driven S.C.I.G under varying speeds at the machine side and to control the magnitude and frequency of the voltage at load side. The system mainly ensures in sending the power generated by SCIGw is supplied to the load through the load-side converter and remaining power is stored in ESBS. And at the same time if the required active power of the load is more than the total power generated by SCIGw and SCIGh. Then the deficit power is supplied by the ESBS. Simulation models of the proposed hybrid system and the simulation results are obtained in MATLAB using Simulink and Sim Power System set toolboxes, with different load condition at different wind conditions.

Keywords:

energy storage battery system (ESBS) system, small-hydro, squirrel-cage induction generator (SCIG), MPT, Voltage Source Converter (VSC.)

References:

1]. D.P Kothari, K.C Singal and Rakesh Ranjan, “Renewable Energy Sources and Emerging Technologies”, edition-2, pp.378-384.
[2]. J. B. Ekanayake, “Induction generators for small hydro schemes,” IEEE Power Eng. J., vol. 16, no. 2, pp. 61–67, 2002.
[3]. B. Fox, D. Flynn, L. Bryans, N. Jenkins, D. Milborrow, M. O’Malley,R. Watson, and O. Anaya-Lara, Wind Power Integration Connection and System Operational Aspects. London, U.K.: IET, 2007, ch. 3.
[4]. G. Quinonez-Varela and A. Cruden, “Modeling and validation of a squirrel cage induction generator wind turbine during connection to the local grid,” IET Genre., Transmits. Distrib., vol. 2, no. 2, pp. 301–309, Mar. 2008.
[5]. Burak Ozpineci and Leon Tolbert “Simulink Implementation of Induction Machine Model – a Modular Approach,” 0-7803-7817-2/03@2003IEEE
[6]. G.Quinonez-Varela and A.Cruden, “Modelling and validation of a squirrel cage induction generator wind turbine during connection to the local grid,” IET Gener., Transmiss. Distrib, vol. 2, no. 2, pp. 301–309, Mar. 2008.
[7]. Tamas and Z.Szekely, “Modeling and Simulation of an Induction Drive with Application to a Small Wind Turbine Generator,” in Proc. IEEE Int. Conf. Autom., Quality Test., Robot., May 22–25, 2008, pp. 429–433.
[8].B.Singh and G. K. Kasal, “Voltage and frequency controller for a three-phase four-wire autonomous wind energy conversion system,” IEEE Trans. Energy Convers., vol. 23, no. 2, pp. 505–518, Jun. 2008.
[9]. Bhim Singh and V.Rajgopal, “Digital Control of Voltage and Frequency of Induction Generator in Isolated Small Hydro System,” 2012IEEE International Conference on power Electronics, Drives and Energy System, vol.no1, pp 4673-4508.