South Africa-based solar project developer Phelan Energy Group has unveiled a new floating structure for solar modules that is based on a proprietary thermoplastic polymer frame technology and which, the manufacturer claims, is able to maintain the solar panels just centimeters above the water surface.
The FloatSun structure consists of a main float measuring 1,924×1,251x273x3mm and weighing15 kg, and a walkway float with a size of 1,910x400x200x3mm and a weight of 7kg. The two structures have a design buoyancy of 215 and 130kg, respectively, and both are produced through blow molding, which is a common manufacturing process for molding and joining together hollow plastic parts.
The first structure has the function of hosting the solar panel and provides a tilt angle of three degrees. The second ensures connection with other floats and is used for maintenance and to run the cables.
Image: Phelan Energy Group
The float can host all modules with lengths ranging from 1,761 to 1,722mm, widths of 1,134 to 1,098mm, and a height of between 30 and 35mm. The cable length must be 450mm and the module should have a 120-cell design and have a output of over 400 W. It should also feature an IP68 enclosure rating and an MC4-compatible connector. A module's maximum weight must not exceed 30kg and its ideal output guarantee should be 30 years.
“Its sleek aerodynamic lines are designed with a cooling cavity and air vortex to maximize the water-cooling effect on the solar cells and increase power yields,” the manufacturer stated. “In addition, a unique, solar-powered, automatic ThermoKlean system constantly cleans the graphene-coated, high transmission glass and lowers panel temperature.”
Image: Phelan Energy Group
Phelan Energy Group is developing the floats at its facility in Dubai, in the United Arab Emirates. It plans to produce 1 million units in the first year and a total of 5 million units within three years.
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The wording “MC4-compatible connector” must be definitely banned from any professional readings, documentation, manual, datasheet, …etc , as per UL and IEC standards codes, brands intermating is both dangerous and strictly forbidden.
Hello Vince, thanks for your comment. I agree the wording should not be used anymore. I picked it from the product sheet, but you are right and this should be avoided in the future.