Evaluating The Performance Of Organic Solar Cell ( Osc ) Is The Power Conversion Efficiency Essay

Voc (Open circuit voltage), Is the maximum possible voltage in the solar cell when no current is passing through. Isc (short circuit current), is the current when voltage is zero. This short circuit current is found when the impedance is low, it is the maximum value for current that can be found when the voltage remains zero. Vmp and Imp is the voltage and current that are found at their respected maximum power point. Maximum power is the power value that can be found to be at its maximum, usually found between the values of Vmp and Imp. Power out is the power produced by the solar cell as a result of its voltage and current. The power out is determined by calculation, its value is determined using the of maximum voltage and current (Voc and Isc), this along with the formula P = IV (Power (P) = current (I) x voltage (V).

The PV module has been designed by considering the irradiance, temperature and number of PV cells connected in series and parallel. Figure 5.1 shows the simulink model of solar system. Here only function file used to show the solar system, the program code is given in the appendix. Here we are using a battery. The system is generated 240volt and current is 2.9 A.

The simulation study of the complete system is carried out by using MATLAB/SIMULINK. For this simulation, four PV module in a series connection mode is considered. Each PV module consists of three submodules. A multiwinding flyback converter is connected across each PV module. Fig. 7(a) shows the P-V charactristc cunve of the PV array (with bypass diode) without using the integrated converter. The figure shows multiple power peaks with maximum power nearly 500W. The shading pattern of the PV array is presented in Table-1. Fig. 7(b) shows the characteristic curve by integrating the converter across each PV module. The P-V characteristic curve exhibits a single peak point. The peak power is nearly 670W. As compared to conventional PV system more than 150W power can be extracted from the PV system. Each submodule of the PV module is subjected different solar insolation. Fig. 8(a ) shows the current of submodule of PV module-1. In this figure, submodule-3 generates less power as

A solar photovoltaic power system is a technology that converts the energy from sunlight into electrical energy. Residential solar photovoltaic systems can offset much of a household's power needs, depending on the size of the system and the household's needs. The output power from is directly proportional to power received from the sun, which varies throughout the day and year. The rated maximum output of the module might be achieved only occasionally, depending on actual site conditions. It is a renewable source of energy that is sustainable and totally inexhaustible. Solar energy is also a non-polluting source of energy that doesn’t emit any greenhouse gases when producing electricity.

Zhou, W., Yang, H.X., & Fang, Z.H. (2007) A Novel Modelfor Photovoltaic Array Performance Prediction, AppliedEnergy, 84, (12), pp. 1187–1198.

Keep in mind that it is not likely that the chosen solar panels will receive the amount of sunlight that is available at the equator. Also, the actual amount of sunlight will vary throughout the day. Since it is best upon both the season and the weather, it isn't possible to use the maximum power rating to determine the exact power that will be seen from the solar panel. However, there are still ways to determine how well a panel will perform in a particular area. To learn this information, the average amount of sunlight that occurs in a particular area is necessary. With this information, one can calculate the best panel to purchase in order to receive the best

Purpose: Make a new type of solar cell that, in theory, could be used in solar panels. This new solar is more environmentally friendly and safer to use.

The amount of energy that is actually produced from the solar panels will vary depending on a few things though. The amount and quality of the solar cells is a large factor in the solar panel as well as how much sunlight the solar panel is actually getting. After that, it just depends on how big the solar panel actually is to determine its max power rating (the max power rating is the amount of power made during a week with peak conditions.)

Solar cell or photovoltaic (PV) systems usually transformed energy from the sun in to electric current. It can be measured in terms of ‘‘conversion efficiency’’, the proportion of solar energy transformed to electricity. (Henderson, Conkling, & Roberts, 2007) Sunpower primarily focused on the production of solar cell. But by moving in to wafer manufacturing it soon incorporated in to manufacturing of solar power module units. In general Sunpower manufacturing process needed approximately two times as many steps as the usual solar manufacturing process need and many of these steps were distinctive to Sunpower. Sunpower has nearly 15 -20 established cell manufactures, a handful of silicon – based cell manufacturing upstarts and a number of thin film solar companies offering potentially unsettling technologies.

and also due to risk factors involved in power generation using Nuclear Reactors we are forced to move to newer types of energy generation but also in terms of a clean energy ,Solar energy is one among such in terms of clean energy which has witnessed a great revolution in energy generation along past two decades. This Module deals with the Organic Solar Cells in other words Polymer solar cells. It comprises of Introduction to Organic solar cells,its production,cost involved etc.

Organic photovoltaic (OPV) solar cells are becoming an increasingly pragmatic alternative to first and second generation cells when it comes to existing augmentation and future rollouts. Cheap to construct due to a simplified printing process, they can even be made in consumer level 3D printing processes. Unlike previous generations, they are much more flexible in design and practical usage thanks to the wide variety of dyes, polymers, and natural elements that can be used in construction. Pitfalls of OPV cells include their low lifespan and solar efficiency, but in 2013 Heliatek finished research on a cell that achieved a 12% efficiency rating, above the target mark of 10% for second generation amorphous silicon cells. Further research and development in OPV cells will likely bring them into direct competition with previous generations.

In the present era where energy demands growing rapidly the solar module is one of the solutions and a good one. “More energy from the sunlight strikes the Earth in one hour (4.3 × 1020 J) than all the energy consumed on the planet in a year (4.1 × 1020 J)” therefore solar energy has a bright future ahead. The first solar cell was invented in 1953 and had efficacy rate of 4 present while toady’s solar cell is 40 present efficient. SolarCity is using the one of the efficient solar panels which yields 30 to 40 percent more energy than similar size solar module available in the market.

 The basic objective of this paper is to extract maximum power and to maintain power quality to a satisfactory level from the varying condition the Photovoltaic array with different solar irradiation.

Solar energy may define as the energy received by the earth from the sun. This solar energy is in the form of solar radiation. With the help of solar cells, solar radiation can convert into electricity. Sun is a highly powerful energy source, humans and natures are directly depending on the sun. For example in hydro-electricity the solar energy needed for the evaporation of water after that it returns to earth as rain and provides water in dams. In biomass, the solar energy used that process. Solar cells directly converted solar radiation into electricity, during the process time there is no noise or pollution are there. These cells made with some semiconducting materials. If use solar cells in our home it will help to reduce the greenhouse gas emission, minimise the percentage of carbon dioxide in our atmosphere and mainly reduce the necessity of fossil fuels and natural gas use to produce electricity. According to the Ben Sorensen, solar energy is one of a good source of substitute energy, for the reason that it is renewable, economical and does not pollute our environment. Thus, this essay will be divided into three parts. Firstly, we will talk about fossil fuels and its demerits. Secondly, we will look at the issues and implications of solar energy. Finally, we will focus on the advantageous and disadvantageous of solar energy respectively.

Large solar plants occupy a vast area of land and threaten wildlife because one square kilometer is needed to produce 40 megawatts of energy from solar power.4 British scientists are attempting to improve the effectiveness of photovoltaic cells by utilizing “copper indium diselenide and cadmium telluride to find an affordable and more sustainable way to make solar panels to convert light energy into electricity.”5