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    Tytuł:
    Modeling and simulation of stand-alone hybrid power system with fuzzy MPPT for remote load application
    Autorzy:
    Bogaraj, T.
    Kanakaraj, J.
    Chelladurai, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/140494.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Solar PV system
    Wind energy conversion system
    Hybrid power system
    DC-DC converters
    fuzzy logic based MPPT
    Three phase PWM inverter
    Opis:
    Many parts of remote locations in the world are not electrified even in this Advanced Technology Era. To provide electricity in such remote places renewable hybrid energy systems are very much suitable. In this paper PV/Wind/Battery Hybrid Power System (HPS) is considered to provide an economical and sustainable power to a remote load. HPS can supply the maximum power to the load at a particular operating point which is generally called as Maximum Power Point (MPP). Fuzzy Logic based MPPT (FLMPPT) control method has been implemented for both Solar and Wind Power Systems. FLMPPT control technique is implemented to generate the optimal reference voltage for the first stage of DC-DC Boost converter in both the PV and Wind energy system. The HPS is tested with variable solar irradiation, temperature, and wind speed. The FLMPPT method is compared with P&O MPPT method. The proposed method provides a good maximum power operation of the hybrid system at all operating conditions. In order to combine both sources, the DC bus voltage is made constant by employing PI Controllers for the second stage of DC-DC Buck-Boost converter in both Solar and Wind Power Systems. Battery Bank is used to store excess power from Renewable Energy Sources (RES) and to provide continuous power to load when the RES power is less than load power. A SPWM inverter is designed to convert DC power into AC to supply three phase load. An LC filter is also used at the output of inverter to get sinusoidal current from the PWM inverter. The entire system was modeled and simulated in Matlab/Simulink Environment. The results presented show the validation of the HPS design.
    Źródło:
    Archives of Electrical Engineering; 2015, 64, 3; 487-504
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    PV/T Systems for Renewable Energy Storage: A Review
    Autorzy:
    Avijit, Mallik
    Hasan, Md. Zahid
    Powiązania:
    https://bibliotekanauki.pl/articles/1177985.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    HVAC
    PV/T System
    Solar Heat Radiation
    Solar Power
    Thermal Energy System
    Opis:
    Sunlight is converted into electricity and heat simultaneously with the help of PV thermal panels. It is examined that the efficiency of the PV/T panel is higher than the separate PV panels and solar thermal collectors’ efficiency. The electricity conversion-efficiency for a PV system is about 6% to 15% and in moreover cases 85% of the incoming solar energy is either reflected or absorbed as heat energy. Now a day’s Renewable energy has become a hot topic. The energy researchers day by day making advanced researches to make this type of system a useable one. Non-renewable sources will be approximately finished within next 100-150 years. So this type of energy is very important for everyone. Normally researches are made on producing electricity from renewable sources like sun-light, wind energy, tidal energy and etc. In this paper there is a compact review of solar photovoltaic thermal system. The performance of the solar cell decreases with the increasing of temperature. Both the electrical efficiency and the power output of PV module depend on the operating temperature. Photovoltaic thermal hybrid solar collectors, also known as hybrid PV/T systems are systems in which sunlight is converted into thermal and electrical energy both. This paper contains a combination of basic and advanced hybrid PV/T systems that are usable in Asian region.
    Źródło:
    World Scientific News; 2018, 96; 83-95
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solar Hot Water Heating and Electricity Generation Using PV/T Hybrid System
    Autorzy:
    Badran, Ali A.
    Obeidat, Firas A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2086426.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    solar energy system
    water heating system
    PV module
    flat plate solar collector
    Opis:
    Experimental work has been carried out to study the possibility of combining a conventional solar water collector with a hybrid device, developed previously and known as PV/T system, in order to obtain hot water with temperature above 40 °C. The effect of the combination on the productivity of hot water and the produced electricity was found. The formerly developed device, in which there was a multi-purpose solar collector, can produce hot water and electricity. It was connected to the conventional fin-tube collector in series in order to raise the product temperature to a higher level. This development was achieved for the first time as a combination between a PV/T and a conventional fin-tube collector. Instrumentation to measure temperatures, solar radiation, wind speed and flow rate was installed on the system. It was found that the water temperature was raised from 29 °C to 32 °C in the PV/T collector system and, after flowing through the conventional collector, it was raised to 50 °C and above. It was also found that the power efficiency in the case of water flow is always higher than in the case of no water flow.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 5; 196--206
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new automatic intelligence-based solar load control system
    Nowy,automatyczny system kontroli obciążenia słonecznegooparty na sztucznej inteligencji
    Autorzy:
    Rao, Kudithi Nageswara
    Ganesamoorthy, Rajkumar
    Powiązania:
    https://bibliotekanauki.pl/articles/27315446.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
    Tematy:
    load control system
    solar PV
    system kontroli obciążenia
    panel słoneczny
    Opis:
    In modern times, solar panels have become a common sight in many households as they provide electricity for various purposes. Typically, the solar panel's charges a battery, and any excess energy generated is usually wasted once the battery is fully charged. However, by utilizing this extra energy, heavy loads can be powered as well. This is where a solar power controller comes into play, which measures the parameters of the solar cell through multiple sensor and adjusts the load accordingly. When the power output of the PV cell is high, the load runs on solar power, and if the power is not sufficient, the load switches to the main supply. The load switches back to solar power when it becomes high again. Monitoring the solar cell parameters allows for real-time identification of the power produced by the solar panel.
    W dzisiejszych czasach panele słoneczne stały się powszechnym widokiem w wielu gospodarstwach domowych, ponieważ zapewniają energię elektryczną do różnych celów. Zazwyczaj panele słoneczne ładują akumulator, a nadmiar wytworzonej energii jest zwykle marnowany po pełnym naładowaniu akumulatora. Jednakże, wykorzystując tę dodatkową energię, można również zasilać duże obciążenia. W tym miejscu do gry wkracza kontroler energii słonecznej, który mierzy parametry ogniwa słonecznego za pomocą wielu czujników i odpowiednio dostosowuje obciążenie. Gdy moc wyjściowa ogniwa fotowoltaicznego jest wysoka, obciążenie jest zasilane energią słoneczną, a jeśli moc nie jest wystarczająca, obciążenie przełącza się na główne źródło zasilania. Obciążenie przełącza się z powrotem na zasilanie energią słoneczną, gdy jej moc ponownie staje się wysoka. Monitorowanie parametrów ogniwa fotowoltaicznego pozwala na identyfikację mocy wytwarzanej przez panel fotowoltaiczny w czasie rzeczywistym.
    Źródło:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2023, 13, 3; 86--89
    2083-0157
    2391-6761
    Pojawia się w:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The efficiency of grid-tied PV systems on small farms in Latvia
    Autorzy:
    Stanka, Normunds
    Aboltins, Aivars
    Powiązania:
    https://bibliotekanauki.pl/articles/2065638.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Częstochowska
    Tematy:
    energia odnawialna
    energia słoneczna
    moduł fotowoltaiczny
    energia elektryczna
    renewable energy
    solar power
    PV module
    grid-tied system
    electricity
    Opis:
    Photovoltaic (PV) systems are becoming more and more popular around the world, and Latvia is not an exception. This is mainly due to the increased efficiency and reduction in price of PV modules. However, Latvia still ranks below most European Union countries in the use of PV modules for electricity production. A significant problem for many farms and households in Latvia which use PV modules, is the lack of storage for the produced electricity. As a result, large amounts of electricity are sold for a relatively low price and while being bought from the main grid for a relatively high price. The aim of the study is to determine and compare the electricity consumption and PV systems producing electricity each month on the Jasmini Farm during 2020. The study shows that during the year, only 25.4% of all the electricity used on the Jasmini Farm was from PV modules, but the rest of the electricity was bought from the main grid. Furthermore, from all the electricity which PV modules produced in 2020, only 29.5% was used on the farm, while the rest was sold to the main grid.
    Źródło:
    Budownictwo o Zoptymalizowanym Potencjale Energetycznym; 2021, 10, 1; 111--118
    2299-8535
    2544-963X
    Pojawia się w:
    Budownictwo o Zoptymalizowanym Potencjale Energetycznym
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analyses of residential building efficiency for AC and DC distribution networks
    Autorzy:
    Ahmad, Faraz
    Dastgeer, Faizan
    Gelani, Hasan E.
    Khan, Sidra
    Nasir, Mashood
    Powiązania:
    https://bibliotekanauki.pl/articles/2128137.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC distribution system
    efficiency analysis
    AC vs DC
    residential buildings
    solar PV
    system dystrybucji prądu stałego
    analiza wydajności
    prąd zmienny
    prąd stały
    AC/DC
    budynki mieszkalne
    fotowoltaika
    Opis:
    The escalating prevalence of rooftop solar PVs and DC powered home appliances are the driving forces for the research in the field of DC distribution at residential level. The current research work presents comparative analyses of AC and DC distribution systems considering various scenarios for the specific purpose of efficiency/energy savings. A modern Bakersfield CA, USA home is considered for the analyses. The loads are classified according to the power demand. Rooftop solar PVs are also included in each residential building. Mathematical equations are devised for the efficiency analysis of residential buildings powered with AC as well as DC. The results reveal strong dependence of the efficiency values on the utilization/types of loads, efficiencies of the power electronic converters (PECs), solar capacity and seasonal conditions, as a function of the time of day. It is concluded that AC system presents better efficiency values as compared to the DC counterpart except during the time periods when solar power is available and when the penetration of variable speed drive (VSD) based loads is high.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; e136732, 1--9
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analyses of residential building efficiency for AC and DC distribution networks
    Autorzy:
    Ahmad, Faraz
    Dastgeer, Faizan
    Gelani, Hasan E.
    Khan, Sidra
    Nasir, Mashood
    Powiązania:
    https://bibliotekanauki.pl/articles/2173601.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    DC distribution system
    efficiency analysis
    AC vs DC
    residential buildings
    solar PV
    system dystrybucji prądu stałego
    analiza wydajności
    prąd zmienny
    prąd stały
    AC/DC
    budynki mieszkalne
    fotowoltaika
    Opis:
    The escalating prevalence of rooftop solar PVs and DC powered home appliances are the driving forces for the research in the field of DC distribution at residential level. The current research work presents comparative analyses of AC and DC distribution systems considering various scenarios for the specific purpose of efficiency/energy savings. A modern Bakersfield CA, USA home is considered for the analyses. The loads are classified according to the power demand. Rooftop solar PVs are also included in each residential building. Mathematical equations are devised for the efficiency analysis of residential buildings powered with AC as well as DC. The results reveal strong dependence of the efficiency values on the utilization/types of loads, efficiencies of the power electronic converters (PECs), solar capacity and seasonal conditions, as a function of the time of day. It is concluded that AC system presents better efficiency values as compared to the DC counterpart except during the time periods when solar power is available and when the penetration of variable speed drive (VSD) based loads is high.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; art. no. e136732
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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