photovoltaic energy system Articles
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Genetic Algorithm optimisation of stand-alone Photovoltaic energy systems
This article presents the methodology for calculation of the optimum size of a Photovoltaic (PV) system. Long-term data of PV radiation were used to calculate the average power generated by a PV generator for every hour of a typical day in a month. A load of a typical house in the south of Algeria (desert area) was used as a load demand of the system. For a given load and a mixed multiple ...
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Innovation system for sustainability in developing countries: the renewable energy sector in Bolivia
The paper describes the main ideas surrounding the topic of innovation for sustainability in developing countries. Innovation is a crucial element to foster sustainability as well as an egalitarian development. The work illustrates that sustainable development is possible by exploiting local potential and traditional knowledge in order to achieve at the same time economic growth, social equality ...
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Building integration of 30 kWp photovoltaic system at University Politehnica of Bucharest, Romania
A Building Integrated Photovoltaic Power System of 30 kWp was recently installed at University Politehnica of Bucharest, Romania. It is the first grid-connected and largest PV system of the country. With this opportunity, an innovative non-penetrating system that uses the modules and mounting hardware as ballast was designed and implemented. Personnel with no previous experience with the roof PV ...
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Solar Energy
The use of solar energy sources ultimately comes down to two aspects of solar energy utilization and solar energy utilization. Solar power generation is divided into photovoltaic power generation and solar thermal power generation, in which photovoltaic power generation uses photovoltaic cells to directly convert solar energy into electrical energy. Photovoltaic power generation is far stronger ...
By Duch Group
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Solar Energy
The use of solar energy sources ultimately comes down to two aspects of solar energy utilization and solar energy utilization. Solar power generation is divided into photovoltaic power generation and solar thermal power generation, in which photovoltaic power generation uses photovoltaic cells to directly convert solar energy into electrical energy. Photovoltaic power generation is far stronger ...
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How sustainable are our energy technologies? Photovoltaics and wind energy systems as examples
The energy sector plays a key role within the concept of Sustainable Development. Therefore, sustainability aspects should be considered when new energy systems are assessed. How does a specific supply option contribute to a desired sustainable development of the energy system? To answer this question, indicators are needed. These should cover the most significant sustainability issues of the ...
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Design, control and performance analysis of a standalone solar–PV energy generating system
This paper presents the design, control and performance of a low power standalone solar–photovoltaic (PV) energy generating system. The system includes a maximum power point tracking (MPPT) controller along with a full bridge DC–DC converter, an energy storage system and a voltage source inverter (VSI). The detailed design and modelling of the system components are given with incremental ...
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Combined photovoltaic and energy storage systems: an integrated electrification solution for small islands
The numerous small Aegean Sea islands present serious problems related to insufficient infrastructure, low quality of electricity available at very high production cost, as well as problematic connection with the mainland. On the other hand, the high solar potential of the area may encourage photovoltaic-based applications characterised by rather low maintenance support demands. In this context, ...
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An efficient hybrid wave/photovoltaic scheme for energy supply in remote areas
This paper presents the efficient utilisation of hybrid photovoltaic/wave energy system for desalination water pumping and supplying the local AC and DC loads. The novel hybrid system comprises eight key parts. The PV array and wave energy permanent magnet linear generator (PMLG) as energy sources, novel AC side modulated power filter compensator (MPFC), AC-DC converter, novel DC side green plug ...
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A case study of hybrid wind-solar power system for reduction of CO2 emissions
In this study, the solar radiation and wind data pertaining to Bigadic region are analyzed to assess the performance of a hybrid Photovoltaic-Wind-Diesel-Battery energy system. The average energy consumption of the system is about 20.33 kWh per day and 600 kWh per month, with a peak power demand of 2.4 kW. A 10 kW Wind Turbine and a 1 kWp PV energy system with 48 kW battery are installed. The ...
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Solar potential for the solar photovoltaic roof integration system in China explored by the geographic information system
This paper estimates the potential solar power for the solar photovoltaic Roof Integration System (RIS) using the Geographic Information System (GIS) method, taking into account the geographic distribution of solar irradiation and the estimate of costs for the RIS and identifies the distribution of potential solar energy radiating on the RIS and power. The total urban roof area is estimated to be ...
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Evaluating Sustainability of Wind Energy: Fact-Based Insights Through LCA
Decarbonization of the power sector plays a key role in achieving climate neutrality and net-zero targets in line with the 1.5ºC goal of the Paris Agreement. Therefore, the rapid transformation from fossil to renewable energy sources such as wind or solar is becoming increasingly important and crucial for countries aiming for ambitious climate targets. Despite the global pandemic, the ...
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A case study of hybrid wind–solar power system for reduction of CO2 emissions
In this study, the solar radiation and wind data pertaining to Bigadic region are analyzed to assess the performance of a hybrid Photovoltaic–Wind–Diesel–Battery energy system. The average energy consumption of the system is about 20.33 kWh per day and 600 kWh per month, with a peak power demand of 2.4 kW. A 10 kW Wind Turbine and a 1 kWp PV energy system with 48 kW battery are installed. The ...
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Off-grid photovoltaic power generation solutions beyond expectations
Navigant Research, an American clean energy technology research institution, recently released a global off-grid distributed energy (DER) technology market research report, stating that the global off-grid distributed energy technology market scale from 2018 to 2027 has accumulated to nearly 350 billion US dollars. The report pointed out that in the next decade, the global off-grid distributed ...
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A frequency control method for isolated photovoltaic-diesel hybrid power system without smoothing renewable power variations
In this paper, a frequency control method is introduced for photovoltaic-diesel hybrid system by using a load estimator and an energy storage system. The proposed method is compared with an energy storage based conventional control method and with a fuzzy based frequency control method. Simulation results show that the proposed method is feasible to reduce the frequency deviations of the isolated ...
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A Life Cycle Analysis of roof integrated photovoltaic systems
In this paper a Life Cycle Analysis (LCA) methodology is used to investigate the energetic and environmental impact of a Building Integrated Photovoltaic installation (BIPV) with reference to a roof installation case study. The results reveal that the roof integrated photovoltaic systems can bring both energy and environmental benefits even in areas characterised by medium values of insolation. ...
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Size optimisation of hybrid wind-PV power generation systems for remote rural areas
Electrical power generation with renewable energies, such as wind and solar, plays an important role in the electrification of remote rural areas. Since there are always seasonal and synoptic variations in wind and solar resources, a hybrid system, consisting of both wind and solar energy, may be more reliable and economical than a single energy system: this is because either energy can ...
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Energy management system for a PV assisted conventional vehicle
In this paper, a novel algorithm is proposed, for effective energy management of a conventional internal combustion engine vehicle, consisting of a photovoltaic (PV) source and battery also to power its electrical load. It offers a more practical and eco friendly solution of fossil fuel consumption reduction as compared to presently available alternatives such as electric/hybrid electric ...
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Decentralised operation of residential energy resources in the smart grid
In the future smart grid, improvement of power system economic cost effectiveness by suitable integration of distributed energy resources (DERs) is a critical challenge. An agent–based framework is proposed in this paper for developing suitable control strategies for operations of four different types of residential–level DERs, which are storage devices, photo voltaic systems, and two ...
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Thermodynamic and life cycle assessment of flat–plate collector, photovoltaic system and photovoltaic thermal collector
In this study, an energy, exergy and Life Cycle Assessment (LCA) analysis of a Flat–Plate (FP) collector, a Photovoltaic (PV) system and a Photovoltaic–Thermal (PV–T) collector is carried out for better evaluation. It is observed that instantaneous energy, daily energy and exergy efficiency of the FP collector, the PV system and the PV/T collector vary between 53–61%, 19–30%, 23–37% and 56–74%, ...
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