Showing 1 - 10 of 82
This paper presents a novel method for the forecasting of mean hourly wind speed data using time series analysis. The … initial point for this approach is mainly the fact that none of the forecasting approaches for hourly data, that can be found … finally proposed methodology is based on the multi-step forecasting of 10 minutes averaged data and the subsequent averaging …
Persistent link: https://www.econbiz.de/10010806846
This paper presents a comparison of various forecasting approaches, using time series analysis, on mean hourly wind …
Persistent link: https://www.econbiz.de/10010803768
This paper presents a comparison of two new advanced statistical short-term wind-power forecasting systems developed by … the wind farm. Both systems are described in detail and the forecasting results compared, revealing great similarities …
Persistent link: https://www.econbiz.de/10011044902
In this paper, a methodology to estimate the profile of the produced power of a 50 Wp Si-polycrystalline photovoltaic (PV) module is described. For this purpose, two artificial neural networks (ANNs) have been developed for use in cloudy and sunny days respectively. More than one year of...
Persistent link: https://www.econbiz.de/10011044441
suitable model for Photovoltaic power supply (PVPS) system. This paper deals with the modelling and simulation of a PVPS system … the modelling of the PVPS system, it is required to find suitable models for its different components (ANFIS PV generator …) has been recorded for the period from 1992 to 1997. These data have been used for the modelling and simulation of the PVPS …
Persistent link: https://www.econbiz.de/10010804362
MAEs of 1.20m/s and 1.42m/s which are lower than forecasting errors based on day-to-day persistence by 14.6% and 13 …
Persistent link: https://www.econbiz.de/10010805984
This paper deals with the development of a neuro-fuzzy controller for a wind–diesel system composed of a stall regulated wind turbine with an induction generator connected to an ac bus-bar in parallel with a diesel generator set having a synchronous generator. A gasifier is capable of...
Persistent link: https://www.econbiz.de/10010806023
In this work, a new approach is tested by applying neural networks treatment to meteorological time-series data sets, recorded during 1991–2000 at certain Greek locations, in order to create fully appropriate solar data information. Neural networks, in this case, are used for creating missing...
Persistent link: https://www.econbiz.de/10010806943
This paper presents a development and implementation of a PC-based maximum power point tracker (MPPT) for PV system using neural networks (NN). The system consists of a PV module via a MPPT supplying a dc motor that drives an air fan. The control algorithm is developed to use the artificial NN...
Persistent link: https://www.econbiz.de/10010807049
A data-driven approach for maximization of the power produced by wind turbines is presented. The power optimization objective is accomplished by computing optimal control settings of wind turbines using data mining and evolutionary strategy algorithms. Data mining algorithms identify a...
Persistent link: https://www.econbiz.de/10010807120