The addition of either salt enables more even distribution of halide atoms within the perovskite material – key to increasing cell conversion efficiency. The explanation should speed up the process of identifying the best perovskite mixes.
Dutch researchers have come up with a system they claim has a maximum estimation error of less than 10% and which reduces the computational requirements for calculating the output of PV systems in complex environments. The approach is based on the correlation between a skyline’s profile and annual irradiation.
Bifacial solar panel performance has become such a hot topic there are now at least four competing field test sites ramping up in the United States, each matching a different set of trackers and panels. DNV GL, Soltec, NREL and Sandia are all involved, and initial results are expected this year, once a year’s data has been collected.
Researchers say the use of clustering-based computation could remove the need for on-site inspections of panels by instead enabling real-time monitoring of degradation using only meteorological data.
Kaco is launching a mass-produced string inverter with silicon carbide switches onto the market following 10 years of discussion about the technology within the industry. In the 100 kilowatt plus segment, the technology produces small, lightweight devices with few components.
As problems with component failure have already laid bare, there is a clear need for contract clarity at every stage of a PV project, from material and component sourcing to power purchase and operations agreements. Here, pv magazine investigates a little covered issue for module buyers, which could threaten insurance coverage and the overall success of a project further down the line.
Eliminating emissions from the air would increase solar radiation by an average of 11%, allowing solar cells to generate one tenth more electricity claim researchers in a new study. Focusing on China, they say an additional 85-158 TWh of electricity could be generated annually in 2040, if the air was clean.
As new cell and module concepts move into large-scale production, and efficiencies are pushed ever higher, manufacturers of flash testing equipment must innovate to ensure their tools can provide reliable measurements, and cope with ever expanding production throughput. The expansion of bifacial technology beyond niche applications in particular raises new issues for flash testing standards. pv magazine spoke with several flasher manufacturers to shed light on the latest developments in this segment.
pv magazine’s Future PV Roundtable, held at the 2018 Renewable Energy India (REI) Expo in Greater Noida, discussed how India can better adopt bifacial solar cell and module technology – the future of power generation. Prominent industry speakers also put forth their views on how standards can catalyze solar innovation for India-specific challenges, and on PV materials and components for enhanced module efficiency and recycling.
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