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A group of researchers led by Spain s Centre for Energy, Environmental and Technological Research CIEMAT has developed a set of techniques to repair ribbon busbar interruptions in photovoltaic panels.Interruptions between cells account for 10% of module failures, the research s lead author, F茅lix Garc铆a Rosillo, told pv magazine. Repairing in stanley cup terruptions can be performed using conventional hand tools and may help recover most of a module s nominal power.The scientists presented two different repair methods. The first requires the complete removal of the module backsheet, the replacement of the damaged busbars, and the placement of a new backsheet. The second requires the removal of the backsheet in the damaged area, the soldering the busbar and sealing via silicone resin.Both techniques do not require stanley uk the acquistion of expensive electroluminescence EL images of the panels before and after repair. It is important to clarify that it is no stanley mugs t possible to obtain EL images from a module affected by twin ribbon busbar interruptions, the scientists noted. If current tries to flow between solar panel contacts, connected to a power supply and two of the cells are affected by a total ribbon busbar interruption, the current will not flow and consequently, it will not be possible to obtain the EL image.The academics explained that by removing the diodes from the junction box and checking the electrical connections between the diffe