Solar Panel Busbar

An important point in solar cell design and production is to strike an optimal balance between busbar and finger resistance losses and shading and reflection losses the former caused by using too few metallic contacts thus creating greater distances between them and the latter being the consequence of too many contacts on the cell surface.

Solar panel busbar.

Some sizeable solar panel manufacturers such as trina solar solarworld and csun increasingly focus their manufacturing on pv solar panels using perc solar cells with 5bb busbars. Bus bars ground bars installation supplies residential northern arizona wind sun. Since each cell is generally just over a. In a solar panel there s a thin strip of copper or aluminum between cells that conducts electricity called a busbar.

The most common solar cell design involves 2 or 3 full line busbars printed onto the cell. The busbars are the metal lines you see going down the individual squares or cells of the solar panel. You will nowadays still find the majority of all pv modules using such 3 busbar 3bb cells as they are commonly abbreviated. They make easier to distribute power.

5bb busbar solar cells. A busbar is a metal strip or bar that allows you to pass more electrons through solar cells to create a higher amount of power and efficiency. This diy camper van busbar system is a great way to keep the main fuses nice and organized in a small space giving your camper van solar install a profession. It separates solar cells and conducts the direct current the cells collect from solar photons to the solar inverter which converts the direct current into useable alternating current the maximum amount of current that can be safely carried is determined by the size of the.

They are the wires that connect each cell to the other allowing the current to flow. Solarworld s new solar panels use passivated emitter reach cell perc technology and two additional busbars to boost power by 2 and increase efficiency. Five busbars 5bb cells are currently one of the leading trends in solar cell and module design. Mono p type solar module 360w 365w 370w 375w 380w high module conversion efficiencies easy installation and handling for various applications mechanical load capability up to 5400 pa conforms with iec 61215 2005 iec 61730 2004 ul 1703 pv standards iso9001 ohsas18001 iso14001 certified applications class a safety class ii fire rating class c.

Side by side comparison of solarworld s 3 busbar sunmodule solar panels left versus the 5 busbar one right.