Researchers in Tunisia have proposed a method of determining the characteristic I-V profile of a partially shaded PV module, and to extrapolate it into a string profile.
The developer of the material, US-based specialist Pellucere, says its innovation can raise PV energy yield 3.5-4.2%.
A minor concern it may be, compared to the tragic loss of life, livelihoods and biodiversity caused by the bushfires still ravaging parts of Australia, but reduced output by PV systems due to smoke haze is an unwelcome bi-product of blazes that have burned at a scale and ferocity never seen before.
A study has estimated the cost of PV project soiling may increase from €3-5 billion last year to €4-7 billion by 2023 due to more extensive deployment in high insolation and soiling-affected regions, such as China and India. The authors of the paper outlined the potential of soiling mitigation technologies while stressing more R&D is needed to reduce costs and for the adoption of such measures on a larger scale.
This week, pv magazine headed to Marseille for the 36th edition of the EU PVSEC conference and exhibition. During the week-long show, leading universities and research institutes presented their latest results to the industry and public. As the conference heads into its final afternoon, we’ve put together five key takeaways from this year’s event.
A project backed by the European Union’s Horizon 2020 program says it has developed a self-cleaning coating for modules which is also anti reflective and weather resistant. The project – SolarSharc – expects to launch the product next year.
Soiling can have a significant impact on PV plant performance. While cleaning solutions do exist, the key questions are when and where should the solar modules be cleaned?
Dr. Ahmed Alami Merrouni, responsible for R&D in Meteorology and Solar Materials degradation at Morocco-based Green Energy Park (GEP), talks about the challenges and opportunities for PV projects in the region. Soiling, he says, is a specific issue, which can impact both ROIs and O&M. In addition to explaining why GEP uses Kipp & Zonen’s DustIQ solution, he says the company is developing new software, which can offer bespoke module cleaning solutions.
The U.S. National Renewable Energy Laboratory (NREL) has launched a new software package, developed alongside SunPower and kWh Analytics, which it says will improve the accuracy and reliability of PV plant performance data, and improve the industry’s understanding of degradation.
Ahead of its upcoming webinar, on March 27, JinkoSolar’s Head of Technical Service Europe, Andrea Viaro, discusses the company’s new Half Cell (HC) Series, the benefits of multi-busbar and bifacial technology, and upcoming innovations, in a Q&A with pv magazine.
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