Thursday 26 October 2017

THE CHALLENGES IN SOLAR CELL TABBING


Solar panel is an assembly of solar cells that synthesizes the sunlight into electricity. As a solar panel is an assembly of many solar cells, it requires internal connections/wiring between these solar cells known as tabbing. In order to get the highest possible output from a solar photovoltaic installation, it is necessary for the solar cells to be tabbed with care. In this blog, you will learn about the challenges in solar cell tabbing.


Challenge #1: Positioning
The tabbing ribbon or wire, including the bus ribbon or wire, has to be positioned precisely on the solar cells. Tabbing wires collect the power generated in the cell and send it to the bus ribbon – which means that achieving the optimum area of collection for each tabbing ribbon would help achieve the maximum output from the solar panels. One solution to this is using computerized operations.

Challenge #2: Continuity
It is important to achieve seamless tabbing which is continuous. Breakage in soldering tabbing wire onto a solar cell can result in poor efficiency. Challenging as it is, fair amount of concentration can help you get tabbing right.

Challenge #3: Quantity
Getting the right amount of tabbing wires on each cell helps optimize collection of current. Too much tabbing results in wastage of cell area that could otherwise have produced electricity.

While solar panel assemblies can be challenging, above mentioned simple tabbing solutions can help optimize the process.

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