Solar panel with high efficiency
Megasol said the solar module relies on new back-contact technology that is able to reduce internal resistance, ohmic losses and cell spacing
Swiss sun oriented module maker Megasol has sent off the bifacial module M500-HC-144-b RC GG U30b with a revealed power transformation proficiency of 23.2%.
The organization professed to have worked on the effectiveness of the board, which recently included a proficiency of 22.1%, through a new back-contact innovation named "RearCon."
"By moving the busbars to the back, we killed the issue of self-concealing, as each contact on a cell covers cell region with which power can be produced," clarified Michael Reist, head of interchanges and promoting at Megasol. What's more, the maker said it involved busbars with especially high conductivity for the back contact. "This diminishes the inward obstruction and, accordingly, the ohmic misfortunes extensively," Reist kept, noticing that this additionally lessens the cell dispersing. "Truth be told, the cell dispersing is negative - the cells cross-over somewhat by 0.3 millimeters. This gapless hanging prompts space investment funds and higher proficiency," he avowed.
The dimensions of the module are 2,063 x 1,046 x 30 mm and its weight is 26.5 kg. It features a black anodized aluminum frame and is suitable for use in a temperature range of -40 to +85 degrees Celsius and a maximum system voltage of 1,500 volts. The manufacturer offers a 15-year product and 30-year linear performance guarantee for its new module.
“The RearCon technology requires only about half as many production steps as the production of previously known solar modules with rear contact,” Reist further explained. Which production steps would be saved is a trade secret. However, the cheaper production will affect the overall costs for customers. “We would like to pass this cost advantage on to our partners. That's why the prices of the RearCon solar modules are significantly lower than what has previously been seen for solar modules with rear contact. That can be 30% or even more,” he added.
Megasol sees significant improvements not only in terms of performance and production costs, but also in terms of appearance, since it is a completely black module. “The contacts on the back of the busbars result in a more homogeneous appearance and thus significantly improved aesthetics of the solar modules,” the manufacturer said. “This is particularly important for use in solar facades.
The evaluated result of the new 144-cell glass-glass module is 500 W. Contingent upon the albedo of the ground, a bifacial unexpected yield of up to 30% is conceivable, as per the item sheet from the Swiss photovoltaic producer.
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