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Recursive least squares algorithms to detect abnormal operation in PV systems

Scientists in Spain have implemented recursive least squares (RLS) algorithms for anomaly detection in PV systems and have found they can provide “more realistic and meaningful assessment” than traditional energy analysis.

What crops fit with vertical agrivoltaics?

Research at three Canadian locations tried to identify which crops can grow between differently spaced rows of vertical agrivoltaic systems. The scientists concluded that all traditional corps could be grown at the research sites, including arugula, beets, bok choy, celery, coriander, collards, fava beans, kale, lettuce, parsley, parsnips, peas, swiss chard, and thyme.

Hoymiles launches AC-coupled battery for balcony PV systems

The Chinese company says its new product has a storage capacity of 2,240 Wh and an expected lifespan of 6,000 cycles.

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Component sizing key for upscaling high-temperature heat pumps

A group of researchers has investigated how high temperature heat pumps may be upscaled for industrial applications and has found that larger setups promise higher efficiency. They also found that smaller setups show a better coefficient of performance resulting from design effects.

Rooftop PV reduces building retrofitting costs by up to 50%

Cambridge researchers have analyzed the benefits of installing a PV system on the roof of an apartment building in addition to energy refurbishment and have found that photovoltaics, especially if combined with heat pumps, makes retrofit projects more affordable.

Israel to provide incentives for hybrid solar inverters

Israel’s Ministry of Energy says it will exempt hybrid solar inverters from purchase tax and customs duties. It claims that these policy mechanisms will help during energy emergencies.

Reducing PV module temperature with cooled air from the ground

Researchers from Iraq have used computational fluid dynamics to simulate the operation of a 100 W panel with ground cooling. The proposed technique was reportedly able to reduce panel temperature by up to 28%, with power generation increasing by up to 6.5%.

ChatGPT can tell scientists how to build better perovksite solar cells, research says

An international research group has sought to build for the first time a perovskite solar cell with the help of ChatGPT. The experiment helped the scientists identify a series of materials for the cell composition and the results were cells with a higher power conversion efficiency compared to that of reference cells built without the material proposed by the large language model.

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Researchers suggest using digested polymers for PV cell coatings, encapsulants

An international research team has proposed to use recyclable biomass-digested polymers as a material for PV coatings and encapsulants. The scientists developed a coating for PV cells that reportedly allows an increase in power output of up to 10%.

Valmont Solar presents new tracking system

The manufacturer will release the system in Europe in early 2025. It is weld-free and supports single-string and multi-string configurations.

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