نتایج جستجو برای: photovoltaic panels
تعداد نتایج: 36902 فیلتر نتایج به سال:
The steady tendency of increasing the installed capacity solar power plants, which is accompanied by gradual accumulation panel waste, analyzed. main factors negative impact on environment and directly human health from production photovoltaic panels waste these are identified. scenarios analyzed, specifics generation in present future characterized. Taking into account average service life 25 ...
Photovoltaic/thermal (PV/T) systems are a hybrid of solar collectors and photovoltaic panels which convert radiant energy into both electricity and heat. The objective of this work is to simulate a water-based flat plate photovoltaic/thermal collector with glass cover and without it and investigate the influence of four parameters of solar irradiation, packing factor, ambient temperature and ma...
Organic photovoltaic cell (OPV) has emerged as a new competitor to inorganic material-based solar cells, due to its potential application in large area, printable, and flexible solar panels. In particular, OPV cells with bulk heterojunction architecture (BHJ), in which the photoactive layer consists of a bicontinuous blend of an electron donor and an electron acceptor, has allowed power convers...
Lack of adequate transmission capacity is a major impediment in connecting more of renewable energy sources (wind, solar) into the transmission grid.This paper at first presents a control algorithm for a single-phase grid-connected photovoltaic system in which aninverter designed for gridconnected photovoltaic arrays can synchronize a sinusoidal current output with a voltage grid. The power pro...
This paper deals with a study of a maximum power point tracking (MPPT) technique based on the Particle Swarm Optimization (PSO) method, which is applied to a single-phase grid-tied photovoltaic system. Since photovoltaic panels have nonlinear voltage-current characteristic curves, when they are submitted to partial shading conditions, it is possible appear distinct local and global maximum powe...
Solar energy has received attention in the Middle East given the abundant and free irradiance and extended sunny weather. Although photovoltaic panels were introduced decades ago, they have recently become economical and gained traction. We present a mathematical model for series-parallel photovoltaic modules, evaluate the model, and present the I-V and P-V characteristic plots for various temp...
This work aims to develop an accurate model of an existing Photovoltaic Pumping System (PvPS) which is composed of an Ebara Pra-0.50T Asynchronous Moto-Pump (AMP) fed by Kaneka GSA-60 photovoltaic panels via a Moeller DV-51 speed drive. The developed model is then used to compare the performance of the system with its original control strategy based on classical indirect vector control strategy...
Solar energy offers a pollution free and sustainable means of harvesting energy directly from the sun. Considerable effort has been directed toward maximizing the efficiency of end-to-end solar systems, including the design of photovoltaic cells [15, 26], engineering new photovoltaic architectures and materials [24], and solar tracking systems [4]. Solar tracking is especially important for max...
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