نتایج جستجو برای: pv unit

تعداد نتایج: 417876  

2013
Khaled Bataineh Doraid Dalalah

This paper presents a design for a stand-alone photovoltaic (PV) system to provide the required electricity for a single residential household in rural area in Jordan. The complete design steps for the suggested household loads are carried out. Site radiation data and the electrical load data of a typical household in the considered site are taken into account during the design steps. The relia...

2011
Pei Gang Zhang Tao

0196-8904/$ see front matter 2011 Elsevier Ltd. A doi:10.1016/j.enconman.2011.11.011 ⇑ Corresponding authors. Tel./fax: +86 551 3607367 E-mail addresses: [email protected] (P. Gang), j Heat-pipe photovoltaic/thermal (HP-PV/T) systems can simultaneously provide electrical and thermal energy. Compared with traditional water-type photovoltaic/thermal systems, HP-PV/T systems can be used in cold ...

2014
A. Ghaedi A. Abbaspour M. Parvania

Recent advancements in photovoltaic (PV) system technologies have decreased their investment cost and enabled the construction of large PV farms for bulk power generations. The output power of PV farms is aaected by both failure of composed components and solar radiation variability. These two factors cause the output power of PV farms be random and diierent from that of conventional units. The...

2010
Tiberiu Tudorache Liviu Kreindler

This paper deals with the design and execution of a solar tracker system dedicated to the PV conversion panels. The proposed single axis solar tracker device ensures the optimization of the conversion of solar energy into electricity by properly orienting the PV panel in accordance with the real position of the sun. The operation of the experimental model of the device is based on a DC motor in...

2008
M. Muralikrishna V. Lakshminarayana

Hybrid power system can be used to reduce energy storage requirements. The influence of the Deficiency of Power Supply Probability (DPSP), Relative Excess Power Generated (REPG), Energy to Load Ratio (ELR), fraction of PV and wind energy, and coverage of PV and wind energy against the system size and performance were analyzed. The technical feasibility of PV-wind hybrid system in given range of...

Untapped pine needles with high potential for energy generation in the hilly area are not only a waste of resource but also increase the chance of environmental hazards as forest fires and GHG emission. This study is conducted to propose a new hybrid system (PV/Wind/Biomass) using abundant pine needle resource as a replacement of existing roof-mounted PV/wind hybrid system and analyse the feasi...

2013
M.Narender Reddy J.Bhagawan Reddy

In the power system operations, the economic load dispatch of thermal generating system is among one of the most important problems.Recent global inclination towards the utilization of more and more renewable energy makes this problem important than ever. In this work, the economic dispatch of thermal and PV system with battery storage is carried out. Here Unit Commitment (UC) using Dynamic Pro...

2014
Jay Patel Gaurag Sharma

One of the major concerns in the power sector is the day-today increasing power demand but the unavailability of enough resources to meet the power demand using the conventional energy sources. Energy is the prime mover of economic growth and is vital to the sustenance of a modern economy .Future economic growth crucially depends on the long-term availability of energy from sources that are aff...

Journal: Pollution 2020

Untapped pine needles with high potential for energy generation in the hilly area are not only a waste of resource but also increase the chance of environmental hazards as forest fires and GHG emission. This study is conducted to propose a new hybrid system (PV/Wind/Biomass) using abundant pine needle resource as a replacement of existing roof-mounted PV/wind hybrid system and analyse the feasi...

Journal: :Circulation. Arrhythmia and electrophysiology 2012
Chien-Jung Chang Yao-Chang Chen Yu-Hsun Kao Yung-Kuo Lin Shih-Ann Chen Yi-Jen Chen

BACKGROUND Dabigatran reduces stroke in atrial fibrillation. Pulmonary veins (PVs) and left atrium (LA) play a critical role in the pathophysiology of atrial fibrillation. We investigated the effects of thrombin, blood clot solution, and dabigatran on PVs and LA. METHODS AND RESULTS Conventional microelectrodes were used to record the action potentials in isolated PV and LA preparations befor...

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