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Study on Hybrid System with Photovoltaic and Fuel Cell

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Added on  2020-05-08

Study on Hybrid System with Photovoltaic and Fuel Cell

   Added on 2020-05-08

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MethodologyHybrid System with Photovoltaic and fuel cell Hybrid System with Photovoltaic and fuel cell contains a fuel cell, aphotovoltaic cell, a DC to DC converter and an inverter. The fuel cell is theother alternative power supply which is used instead of solar radiation.Power is fed using PV Cell via inverter and DC-DC converter. According to thepower requirement, the hydrogen is consumed by the fuel cell system.The HES use various RE resources like solar, micro or small hydro, wind,biomass, with petrol fossil fuel powered or diesel generator for producingelectricity for rural areas which are placed remotely. It is developed on thebase of low cost modelling for the remote rural area. The solar energy isavailable on worldwide and free of cost. It can provide DC electricity withoutany environmental effects. The photovoltaic fuel cell combine model includesthe path for the valuable energy performance by lowering the fuel cell costutilized for this techniques. To simulate the performance of the system, thematlab simulation software program is used.1
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FLOW CHARTPV CellThe PV cell is the semiconductor diode which is specialized to converts thelight which is visible in to DC. Few of the photovoltaic cells are able tochange the Ultraviolet or Infrared radiation into direct current. The PV cellsare the solar-electric system's integral part. The First photovoltaic cells areformed with help of silicon doped or combined with the various elements. Ithas the impacts in the behavior of holes or electrons. In photovoltaic cells,the some other materials like cadmium telluride, gallium arsenide andcopper indium diselenide have been improved for use. 2 kinds ofsemiconductor materials are there namely N type and P type. The pieceswhich are flat materials are placed together and the boundary betweenthem is termed as PN junction. While the radiations like infrared, ultravioletand visible light strikes the PN junction, the difference of voltage is producedin between the N and P type materials. The electrodes which are linked to2
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the semiconductor layers allows the flow of current. The solar panels, arraysand models are formed by the large sets of photovoltaic cells. The batteriesand photovoltaic cells usage for a generation of usable electrical energy istermed as photovoltaic.The PV array is the basic power conversion unit of the photovoltaic generatorsystem. PV is composed of modules. The photovoltaic array has a nonlinearcharacteristics. It is expensive. It takes more time to obtain the photovoltaicarray operating curves under different operating conditions. Simple andcommon solar panel model has been developed. It is integrated to mayengineering software involves Simulink or Matlab.Calculation for PV cellThe V-I characteristic equation is expressed as Here IPHis the photocurrentIs=>Saturation currentq=> Electric chargeThe value of electric charge is 1.6∗10−19columnK=> Boltzmann’s constantThe value of k is1.38*10-23Joule/kelvin Tc=> cell working temperatureA=>Ideal factorRsh=> Shunt resistanceRs=> Series resistance3
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The light generated by the current otherwise photo current depends up on working temperatureof the cell as well as solar insulation.Here, Isc is the current Short circuited for the cell at the temperature of 25 degree CelsiusK1=>Temperature coefficient of the Short circuited for the solar cellTref=> Cell Reference Temperatureλ=>The solarinsulation in Kilowatt per metre squareThe saturation current of the cell changes with the temperature of the cell and it is expressed as The photovoltaic output power is affected by small changes in Rs.The maximum power is given by Vmax is the terminal voltageImax is Photovoltaic cell output current at the MPP.MPP is the Power point maximum.γis the cell fill factor.It measures the quality of the cell.Parameters of PV Cell4
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