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Fuzzy Logic Approach for Short Term Electrical Load Forecasting

Journal: Electrical and Power Engineering Frontier (Vol.1, No. 1)

Publication Date:

Authors : ;

Page : 8-12

Keywords : Fuzzy Logic; Load Forecasting; Energy Management;

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Abstract

The demand of electricity in India is increasing exponentially at the rate of 8-9% per annum. However, the installed power generation capacity of India as on 31st October 2012 was 209276 MW with a peak power shortage of more than 12%. In addition, the demand of electricity is increasing due to increased population, urbanization and comfort level of the peoples. These indicate that India’s future energy requirements are going to be very high. Keeping in view of aforesaid, proper energy management system is required. In this paper an attempt has been made for short term load forecasting which helps in load management with on line dynamic voltage control, load flow studies and exchange of power as requirement for load frequency control. In this paper, the daily hourly demand of Shahpura, Jaipur, India has been collected from Rajasthan Electricity Board (Shahpura Sub-station), India. To avoid the convergence problems, the input and output load data are scaled down such that they remain within the range of (0.1-0.9). The inputs of the fuzzy logic based models are the hourly electrical demand during the day for the four consecutive days of November 2012 and the output or forecasted value is the hourly demand of the fifth day. The results obtained from fuzzy logic model has been validated with the actual value and found accurate. The mean absolute percentage error (MAPE) in the forecasted demand is 1.39% in comparison with the desired demand.

Last modified: 2013-08-15 12:51:06