Document Type: Original Research Paper

Authors

1 Electrical/Electronic, Engineering, University of Port Harcourt,Port Harcourt, Nigeria

2 Electrical/Electronic, Engineering, University of Port Harcourt, Port Harcourt, Nigeria

Abstract

ABSTRACT
Renewable Energy Sources (RES) are well – defined as energy sources, that are in abundance within the natural surroundings and are much inexhaustible. In addition, hydroelectricity (HE) is a vital part of world renewable energy supply and hydropower remains a bulk source of electricity generation because of its environmental friendliness in nature. Modeling is the analysis of the non-linear models which represents the fundamental parts of the hydropower plant (governor, turbine, servomotor). This paper studies accurate and elaborate hydraulic turbine and governor models and its implementation in MATLAB/Simulink combined with the Simscape Power Systems (SPS). An effort has been created to develop a plant model and examine the suitableness of controllers during a governor model for fault incidence within the system by means Simulink based simulation. The Ziegler– Nichols tuning methodology was applied for specifying the gain coefficients of the governor (PID-PI) under 50% of load demand from the plant. Also, MATLAB/Simulink gave the chance to record and compare the figures of the plant with PID & PI controllers through simulation tests within the commonest cases (three-phase fault, load demand variation) with a view of finding out the potency and therefore the stability of the system.

Keywords

Main Subjects

[1] Balwinder S.S & Ruchira. G. (2012). Power System Stabilizer Controller Design for SMIB Stability Study International Journal of Engineering and Advanced Technology (IJEAT) ISSN: 2249 – 8958, Volume-2, Issue-1, October 2012
[2] Dai JJ, et al. (2014) Emergency Generator Start-up Study of a Hydro Turbine Unit for a Nuclear Generation Facility. IEEE Trans Industry Appl 2014; 40:1191–9.
[3] Gbadamosi S. L & Ojo O. Adebayo. (2015). Dynamic Modelling and Simulation of Shiroro Hydropower Plant in Nigeria using MATLAB and Simulink. International Journal of Scientific & Engineering Research, Volume 6, Issue 8, August-2015 948 ISSN 2229- `5518
[4] German, A.M.H, Saad, P.M, & Dewi, L.J. (2013) Modelling and controlling of Hydropower Plant. Springer London, New York, 2013 ISBN 978-14471-2291-3 (eBook)
[5] Vermont Agency of Natural Resources (2011) the development of small hydroelectric projects in Vermont
[6] Kundur, P. Power System Stability and Control. New York: McGraw-Hill;
[7] Hongqing F, Long. C, Nkosinathi. D, & Zuyi.S (2011) Basic Modeling and Simulation Tool for Analysis of Hydraulic Transients in Hydroelectric Power Plants. IEEE Transactions on Energy Conversion
[8] Energy Efficiency and Renewable Energy Clearinghouse (EREC). Web site: www.eren.doe.gov/consumerinfo/.
[9] J. B Gupta (2013) A course in Electrical Power Systems: Kataria and Sons, New Delhi
[10] Mousa Sattouf Int. Journal of Engineering Research and Applications ISSN: 2248-9622, Vol. 4, Issue 1(Version 2), January 2014, pp.295-301
[11] Nanaware, R. A., Sawant.R.S.& Jadhav, B. T. (2012). Modelling of Hydraulic Turbine and Governor for Dynamic Studies of HPP. International Conference in Recent Trends in Information Technology and Computer Science (ICRTITCS), 6–11.
[12] Peter.W. Sauer. & Phi, M.A. (2012). Power System Dynamics and Stability. Published by Pearson Education (Singapore) Pte. Ltd., Indian Branch, 482 F.I.E. Patparganj Delhi, 1st Indian Reprint, 2012
[13] Sridhar P and Prasad K.B (2014). Fault Analysis in Hydro Power Plant Using MATLAB / Simulink. International Journal of Electrical Engineering & Technology, 5(5), 89–99.