The German firm says its new merchandise are appropriate for PV techniques with tilt angles from 0 to fifteen.6 levels.
German PV system supplier Wattstone has launched three new concrete bases for rooftop PV initiatives.
“Concrete bases are perfect for straightforward set up of PV techniques on straight surfaces similar to flat roofs or terraces in addition to in backyard areas, with out the necessity to drill in pores and skin on the roof or add extra weights,” the producer stated in a press release. .
The firm says that the brand new L-Shap merchandise are appropriate for south and east-west ranges with a tilt angle from 0 to fifteen.6 levels.
“In the previous there have been solely L-stones with a tilt angle of 10 levels,” Wattstone stated. “The mounting brackets are manufactured from uncovered concrete and never solely look nice, however are additionally robust and sturdy.”
The modules are merely connected with 4 module clamps and screws via built-in threaded sleeves. An extra threaded sleeve in entrance of the L-stones additionally permits the set up of a windbreak or cable duct. An built-in gap with a diameter of 10 mm permits straightforward set up of microinverters or cable ducts, facilitating the mixing of extra parts, in keeping with the corporate.
Each mannequin is specifically designed for a particular orientation of the PV modules. Packaged east-west or south units embody dowels, screws, and all connecting parts.
The firm claims that 28 kg L-stones with a 15-degree inclination angle present 3% larger power yield in comparison with 10-degree techniques. “It is very appropriate for a south orientation with a self-developed wind deflector or an east-west set up the place two L-stones are positioned again to again and related,” added it explains. It additionally says that the 15-degree angle has a self-cleaning impact in eradicating dust and deposits.
Concrete bases with an inclination worth of 0 levels weigh 43 kg and are reported to be good for vertical installations. These longer L-stones are appropriate with the clamping factors of assorted module producers, in keeping with Wattstone.
The new merchandise have been examined within the wind tunnel in keeping with the DIN-EN 1991-1-4:2021 normal and are stated to supply a excessive degree of security “when put in appropriately.” Item-specific wind load calculations may be carried out upon request to satisfy particular necessities.
Concrete bases with an inclination angle of 15 levels price €179 ($198.7) excluding VAT for a set of two photo voltaic modules in a row construction, whereas merchandise with an inclination angle of 10 levels prices €169.
Bases with an inclination angle of 0 levels can be found for €89.13.
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