نتایج جستجو برای: photovoltaic technology

تعداد نتایج: 488834  

Using Photovoltaic systems is gradually expanded by increasing energy demand. Abundance and availability of this energy, has turned to one of the most important sources of renewable energy. Unfortunately, photovoltaic systems have two big problems: first, those have very low energy conversion efficiency (in act between 12 and 42 percent under certain circumstances). Second, the power produced b...

2013
Shengming Li Xiaobing Zhang

Photovoltaic cells, as the primary part of a solar photovoltaic system, are a nonlinear DC power supply related to multiple parameters. The demand of increasing the generating efficiency of photovoltaic cells requires having a good understanding of their electrical characteristics. In this study, the mathematical and physical model of the photovoltaic cells was built by the means of Matlab and ...

2014
Yongbo Yuan Zhengguo Xiao Bin Yang Jinsong Huang

Arising applications of ferroelectric materials in photovoltaic devices" The ferroelectric-photovoltaic (FE-PV) device, in which a homogeneous ferroelectric material is used as a light absorbing layer, has been investigated during the past several decades with numerous ferroelectric oxides. The FE-PV effect is distinctly different from the typical photovoltaic (PV) effect in semiconductor p–n j...

Journal: :Processes 2023

Rural power grids are essential for rural development, impacting the lives of farmers, agricultural economy, and overall efficiency production. To ensure reliable operation these grids, finding ways to provide high-quality is imperative. In recent years, penetration rate distributed photovoltaic (PV) in distribution network has been increasing. When output PV load not matched, voltage fluctuati...

Journal: :iranian journal of hydrogen and fuel cell 0
hassan hassanzadeh birjand university faculty member mohammad ali farzad water and sewer employees of birjand ali safavenejad birjand university faculty member mohammad reza agaebrahimi birjand university faculty member

it is expected that residential units may replace   traditional heat and power production systems with cogeneration ones. among the different cogeneration systems, fuel cell based systems are a suitable choice due to their high efficiency, high power density, low emission and low noise. in this paper, a cogeneration system based on solid oxide fuel cells is examined. the system, including the f...

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