We use solar pannel in roof top system for electrical power generation. I wants to know the size that panels.
There is no specific standard for PV panel size, different manufacturers offered different sizes and different techniques and powers.
Choosing the PV panel size is a matter for many reason:
1- Select the panel size to optimized the roof area.
2- The panel size can be a matter of power, bigger panel deliver a higher power (@ same efficiency), but if loss one, you loss high power.
Dear sir
Please see my page in research gate i have two papers about photocells. you can find your answer in it.
Dear Hemin Thakkar ,
The sizing of the photovoltaic panels depends on the what types of the electrical appliances, how many total power consumption (watts) do you want to supply from your panels, the current PV modules in your PV markets.
You may need to consider the configuration (shape) of your home's roof.
Also, how can you site and how many space you can pay are needed to consider.
The another point is your system is standalone or Grid-connected?
In general, the total installed capacity of the rooftop PV panels may be 3-12 kW varying to your load consumption.
Sincerely
wrong question
depends on load, location, roof area, shadow, radiation .... etc
It depends on the what types of the electrical appliances and how much total power (Watt) consumption do you need to provide from your panels.
Actually as wrote people before it depends on power and type of solar panel.
But, the most commonly used in roof home systems is panels on 250..300 Watts, and it`s geometrical sizes is 1650*990 mm.
These panels have 6*10 array of crystalline silicon cells. Crystalline silicon cells sizes are 150*150 mm (in most cases). So you can count the number of cells horizontally and vertically, and nearly count the size of the solar panel, or easily google it.
There's no standard size of the PV modules to be installed for domestic applications. The most important determinant parameter is the energy demand which dictates on the size of the PV modules and other accessories like battery, charge controller, inverter, and wiring system.
I think it depends on your applications and the load connected to the panel. The power gained from this panel is function of its area. So, I would recommend to calculate the power you need and the efficiency of the panel you will buy to find the minimum area of which your panel should be.
The size of cells can be related to physical characteristics, number of cells, and the power. There is some variation from brand to brand; however, the most typical size used for residential installations such as what used in a rooftop is approximately 65 inches by 39 inches, while for commercial applications is 77 inches by 39 inches.
I got very near nice responses and answer from various expert
Thank you all for your contribution.
First thing first.Calculate the total load you wanted to make used of including the tolerance,after which you can designed for pv modules.The standards are not fixed.Your out put and tolerance factor will determine the no of pv modules you can make used of.The modules are of different ratings and capabilities also differs.
it depends on the technology ( monocrystalline , polycrystalline, and etc)and the power size of the panel (50W, 100W, 200 W, and etc.).
Length and Width – Although length and width varies slightly, most companies are manufacturing solar panels in standard sizes. The most typical size used for residential installations is 65 inches by 39 inches, while the common size for commercial applications is 77 inches by 39 inches.
Dear Thakkar,
PV cells come in a standard size of 156 mm by 156 mm, which is approximately 6 inches long and 6 inches wide. Most solar panels for rooftop solar installations are made up of 60 solar cells, while the standard for commercial solar installations is 72 cells (and can go up to 98 cells or more).
The average size of solar panels used in a rooftop solar installation is approximately 65 inches by 39 inches, or 5.4 feet by 3.25 feet. There is some variation from brand to brand, and if you’re installing a large-scale solar panel system (such as for a warehouse or a municipal building) your panels will be closer to 6 feet long.
good luck
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