نتایج جستجو برای: load forecasting

تعداد نتایج: 188054  

2003
J. N. FIDALGO

Quality spatial load forecasting is a major prerequisite for energy distribution systems planning. The load evolution outline depends on the urban expansion and its land usage. This paper presents a methodology for knowledge extraction of the data provided by a GIS (Geographical Information Systems) platform. The main goal consists of developing studies that lead to the understanding of the inf...

2012
Prasanta Kumar Pany

Short-term load forecasting (STLF) plays an important role in the operational planning security functions of an energy management system. The short term load forecasting is aimed at predicting electric loads for a period of minutes, hours, days or week for the purpose of providing fundamental load profiles to the system. The work presented in this paper makes use of PSO based local linear wavel...

L. Ghods, M. Kalantar,

Prediction of peak loads in Iran up to year 2011 is discussed using the Radial Basis Function Networks (RBFNs). In this study, total system load forecast reflecting the current and future trends is carried out for global grid of Iran. Predictions were done for target years 2007 to 2011 respectively. Unlike short-term load forecasting, long-term load forecasting is mainly affected by economy...

Journal: :CoRR 2009
J. P. Rothe A. K. Wadhwani S. Wadhwani

Short Term Load forecasting in this paper uses input data dependent on parameters such as load for current hour and previous two hours, temperature for current hour and previous two hours, wind for current hour and previous two hours, cloud for current hour and previous two hours. Forecasting will be of load demand for coming hour based on input parameters at that hour. In this paper we are usi...

2010
ZENG Li hua FENG Juan

This paper introduced the feature of distribution network and rough set theory. The application in power system was elaborated, such as on load forecasting, fault diagnosis, system-state analysis and data mining. Then given an illustration that using RS attribute reduction algorithm obtain the correlative factors in distribution system load forecasting. These factors were input vector of neural...

2012
Zhiyong Li Zhigang Chen Chao Fu Shipeng Zhang

Load forecasting has always been the essential part of an efficient power system operation and planning. A novel approach based on support vector machines is proposed in this paper for annual power load forecasting. Different kernel functions are selected to construct a combinatorial algorithm. The performance of the new model is evaluated with a real-world dataset, and compared with two neural...

2016
Anamika Singh Vinay Kumar Tripathi

Load forecasting has become one of the major areas of research in electrical engineering and is an important problem in operation and planning of electric power generation. Load forecasting is the technique for prediction of electrical load. STLF (Short term load forecast) is essential for Power system planning. In a deregulated market it is much need for a generating company to know about the ...

2008
M. M. Tripathi K. G. Upadhyay S. N. Singh M. Tripathi G. Upadhyay

A precise short-term load forecasting technique is required for the economic and reliable operation of power system. Modern load forecasting techniques especially ANN methods are attractive as they have the ability to handle the non-linear relationships between load, weather temperature and the factors affecting it directly. In this paper, an investigation on the use of ANN for short term load ...

Journal: :Appl. Soft Comput. 2011
Jawad Nagi Keem Siah Yap Farrukh Nagi Sieh Kiong Tiong Syed Khaleel Ahmed

Forecasting of future electricity demand is very important for decision making in power system operation and planning. In recent years, due to privatization and deregulation of the power industry, accurate electricity forecasting has become an important research area for efficient electricity production. This paper presents a time series approach for mid-term load forecasting (MTLF) in order to...

2013
James Robert Lloyd Robert Lloyd

This report discusses methods for forecasting hourly loads of a US utility as part of the load forecasting track of the Global Energy Forecasting Competition 2012 hosted on Kaggle. The methods described (gradient boosting machines and Gaussian processes) are generic machine learning / regression algorithms and few domain specific adjustments were made. Despite this, the algorithms were able to ...

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