We have gone through a lot of new technologies that are employed to produce solar panels on our channel (IBC, Multiple/Multi-Busbar, PERC, Bifacial, Heterojunction, etc) & today is the day of discussing Multiple Busbar (BB) Technology in details.
According to CleanEnergyReviews, Busbars are thin wires or ribbons which run down each cell and carry the electrons (current) through the solar module. As PV cells have become more efficient they, in turn, generate more current thus over recent years most manufacturers have moved from 3 busbars to 5 or 6 busbars. A few manufacturers such as LG energy have gone one step further and developed multi-wire systems using up to 12 very thin round wires rather than flat busbars, explained in more detail below. The compromise is that the busbars actually shade part of the cell and so can slightly reduce performance if they are too large, so they need to be carefully designed.
On the other hand, multiple busbars provide lower resistance and a shorter path for the electrons to travel resulting in higher performance. ——————–***——————–
Photo: www.lg-solar.com & www.cleanenergyreviews.info
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‘All rights go to the author of the news and image mentioned above’
Location: Oslo, Norway
Date: Feb 15, 2019 @ 10:19
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