Showing 1 - 10 of 38
Artificial intelligence (AI) techniques are becoming useful as alternate approaches to conventional techniques or as components of integrated systems. They have been used to solve complicated practical problems in various areas and are becoming more and more popular nowadays. AI-techniques have...
Persistent link: https://www.econbiz.de/10008923352
This paper presents an adaptive artificial neural network (ANN) for modeling and simulation of a Stand-Alone photovoltaic (SAPV) system operating under variable climatic conditions. The ANN combines the Levenberg–Marquardt algorithm (LM) with an infinite impulse response (IIR) filter in order...
Persistent link: https://www.econbiz.de/10010806670
This paper presents a comparison between two different techniques for the determination of the effect of soiling on large scale photovoltaic plants. Four Bayesian Neural Network (BNN) models have been developed in order to calculate the performance at Standard Test Conditions (STCs) of two...
Persistent link: https://www.econbiz.de/10010665631
The combination of wavelet theory and neural networks has lead to the development of wavelet networks. Wavelet-networks are feed-forward networks using wavelets as activation functions. Wavelet-networks have been used successfully in various engineering applications such as classification,...
Persistent link: https://www.econbiz.de/10008917048
In this work, an automatic fault detection method for grid-connected photovoltaic (GCPV) plants is presented. The proposed method generates a diagnostic signal which indicates possible faults occurring in the GCPV plant. In order to determine the location of the fault, the ratio between DC and...
Persistent link: https://www.econbiz.de/10011044311
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
A new method to track the global maximum power point (GMPP) under partially shaded conditions (PSCs), for stand-alone photovoltaic (PV) systems, is introduced. Two loads, static and dynamic, have been used to evaluate the effectiveness of the method under different PSCs. Simulation results show...
Persistent link: https://www.econbiz.de/10011054350
In this paper we investigate, the possibility of using an adaptive Artificial Neural Network (ANN), in order to find a suitable model for sizing Stand-Alone Photovoltaic (SAPV) systems, based on a minimum of input data. The model combines Radial Basis Function (RBF) network and Infinite Impulse...
Persistent link: https://www.econbiz.de/10010806568
This paper presents results obtained from a practical study of photovoltaics in buildings, in rural England and a computer model simulation study in Malaysia. It is a particular application of Building integrated PhotoVoltaics (BiPV) where the PV modules are fitted as partial roofing material....
Persistent link: https://www.econbiz.de/10011046075
This paper aims to investigate and emphasize the importance of the grid-connected PV system regarding with the complex nature of thin-film PV technology behaviours. The investigation was critically reviewed the literature on the potential problems associated with the responses of metastable...
Persistent link: https://www.econbiz.de/10011190444