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LIGHT UP ROOFTOPS WITH PHOTOVOLTAIC PANELS

Vatican polycrystalline solar panels

The installation of solar panels on Vatican-owned land to the north of the capital follows the photovoltaic glazing of the Cortile delle Corazze and the Vignaccia warehouse of the Vatican Museums (350 kilowatts peak for a total production of 500 megawatt hours) and the 5,000 square metre roof of the Nervi Hall (2,394 modules with a total power of 220 kW, enough to meet the annual needs of 100 households);It avoids the production of 47.5 tonnes of carbon dioxide,' says Vatican Governor Sister Raffaella Petrini. [pdf]

Solar light sensing system

The system is based on the combination of two approaches to precisely track the sunlight: first, using multiple LDRs (light-dependent resistors) as photo sensors to track the position of the sun by balancing the resistivity using a proportional integral deprival (PID) controller, and the second approach using the time-based control for cloudy days when sunlight is diffused, getting the time GPS coordinates and time to calculate the accurate position of the sun by determining the azimuth and altitude angle. [pdf]

Bahrain solar Panels

Some of Bahrain’s key solar initiatives include: planning for a solar farm project on the Askar landfill, delivering 100 megawatts of renewable power; a 50-megawatt initiative to install solar panels on the roofs of hundreds of government-owned buildings, and the potential installation of “floating solar” technologies to be deployed for power generation in Bahrain’s territorial waters in order to address the problem of land scarcity for larger solar farms. [pdf]

Wickles SolarTech