American University of Sharjah, Petrofac partner to improve solar farm efficiency

The edge device continuously measures solar panel performance

  
Image used for illustrative purpose. A general view shows solar panels to produce renewable energy at the photovoltaic park in Les Mees, in the department of Alpes-de-Haute-Provence, southern France March 31, 2015. The solar farm of the Colle des Mees, the biggest in France, consists of 112,780 solar modules covering an area of 200 hectares of land and representing 100 MW of power. REUTERS/Jean-Paul Pelissier - RTR4VM7U

Image used for illustrative purpose. A general view shows solar panels to produce renewable energy at the photovoltaic park in Les Mees, in the department of Alpes-de-Haute-Provence, southern France March 31, 2015. The solar farm of the Colle des Mees, the biggest in France, consists of 112,780 solar modules covering an area of 200 hectares of land and representing 100 MW of power. REUTERS/Jean-Paul Pelissier - RTR4VM7U

Jean-Paul Pelissier - RTR4VM7U

With solar energy a high priority for public and private organisations throughout the UAE and wider region, the American University of Sharjah (AUS) and Petrofac have combined forces to increase solar farm efficiency.

AUS and Petrofac have developed an Internet of Things (IoT) edge device that can remotely assess the cleanliness of solar panels. For solar plant operators, knowing how clean individual panels are is essential in reducing costs, optimising power output and enabling preventative maintenance, reported Emirates news agency Wam.

Project researchers found that two months of soiling can reduce the power generation of a panel by 40 percent, with dust, the biggest obstacle to reliable solar energy production. However, large-scale cleaning of solar farms is costly, inconvenient and disruptive to grid security. Having multiple edge devices that can identify specific panels that require cleaning offers operators the opportunity to optimise energy generation without the traditional costs associated with panel maintenance.

The edge device continuously measures solar panel performance using open-sourced technology, micro-controllers and smart sensors. Those responsible for operating the solar farm receive information about the state of panels through a wireless network and cloud-based server, allowing them to see, and act on, the data in real-time.

In addition to reporting when panels need cleaning, the device is also capable of detecting faults and forecasting power output. The device can also measure temperature, humidity and solar radiation. It is intended for large-scale solar facilities such as Noor Project in Abu Dhabi and Mohammad Bin Rashid Al Maktoum Solar Park in Dubai.

The Renewable Energy Research Centre (RERC) in AUS’ College of Engineering is currently working on several projects focused on renewable energy. The centre is made possible through the AUS Petrofac Chair Endowment and involves faculty members, research assistants, undergraduate students and graduate students.

Dr. Rached Dhaouadi, Professor of Electrical Engineering at AUS and Petrofac Research Chair in Renewable Energy, said: "The generous support of Petrofac through the Research Chair in Renewable Energy makes these important gains in solar energy outputs possible. While abundant sunlight makes the UAE a prime location for solar energy sites, solar energy production in the UAE does face environmental challenges such as humidity, dust and high temperatures.

“By mitigating many of these challenges, the edge device we have developed will allow the UAE to maximise the natural advantages it enjoys in solar energy production. By increasing the efficiency of solar panels, the edge device will play a role in meeting the UAE’s renewable energy ambitions and reducing reliance on fossil fuels."

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