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Load Frequency Control in an Interconnected Hydro–Hydro Power System with Superconducting Magnetic Energy Storage Units

Author : V. Rajaguru, R. Sathya and V. Shanmugam

Pages : 1243-1248
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In the power system, any sudden change in the load leads to deviation in frequency and tie-line power flow. So, Load Frequency Control (LFC) is an important issue in power system operation and control. This paper deals with the Load Frequency Control in an interconnected two area hydro-power system with Superconducting Magnetic Energy Storage (SMES) units, to stabilize the system frequency oscillations. Assumed that all the areas in a system are operate at same frequency because the traditional approach for interconnection of hydro systems turned out to be unsuccessful. The proposed work consist of two area interconnected hydro-hydro power system with SMES units has been designed to improve the dynamic performance of the system and also Integral Square Error (ISE) technique is used to obtain the optimal integral gain settings. The simulation result shows that the hydro power system with SMES units yields a better dynamic performance in terms of system oscillations, peak overshoot and settling time.

Keywords: Load Frequency Control; Hydro power system; Interconnected Power System; Integral Square Error Technique; Superconducting Magnetic Energy Storage (SMES) unit; Energy Storage Units.

Article published in International Journal of Current Engineering and Technology, Vol.5, No.2 (April-2015)


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