Controlling grid fluctuations via solar module cooling
A research group has proposed a novel method to control ramp rates in power networks. Its control optimization is based on weather, load and production forecast data. The scientists simulated the operation of the proposed technique and reached a ramp rate reduction of up to 76.2%.
Metrel launches electrical installation safety tester for PV systems
Metrel, a Slovenian measurement equipment supplier, says its new electrical installation safety tester can assess systems with a maximum voltage of up to 1,500 V and a maximum short circuit current of 40 A.
Huasun to supply 1 GW of HJT products to Xinjiang Silk Road, annually
The Chinese company said that, under a new agreement, it will collaborate with Xinjiang Silk Road to produce high-efficiency HJT PV modules. It will supply silicon wafers, cells, modules, and more.
Greek researchers develop privacy-preserving PV forecasting technique
Researchers from Greece have developed a PV forecasting technique for prosumer schemes using federated learning, a machine learning method that sends local model updates to a central server for correction. Their simulations show surprising results compared to centralized forecasting.
Cooling bifacial PV thermal solar panels with jet impingement
Scientists created a model to study bifacial PV thermal (BPVT) solar panels using jet impingement and built an experimental setup to validate it. They achieved a thermal efficiency of 62.28%, while electrical efficiency peaked at 11.22%.
Researchers analyze wind cooling effect for 5.9 MW rooftop PV array
Researchers have analyzed how wind speed and direction affect the cooling of a rooftop PV plant with 10,806 panels. They say that winds from behind were less effective due to the roof slope and the minimal gap between the panels and the roof, but wind from other directions could contribute to a cooling effect of up to 7 C.
Solinteg launches new residential solar storage systems
Solinteg has developed the IntegOne HSH, a residential solar storage system that combines a single-phase hybrid inverter with one or two batteries. Up to 10 systems can connect in parallel, offering a maximum efficiency of 97.6%.
Ultra-short-term PV power forecast based on dung beetle algorithm
Researchers have developed a novel deep-learning method to predict ultra-short-term PV power, using an optimization method that is based on the behavior of dung beetles. The proposed approach reportedly performed better than seven other conventional prediction methods over a 1-year period.
Bluetti launches new ESS with up to 154.8kWh of storage
US-based Bluetti has developed a new energy storage system (ESS) that offers up to 154.8 kWh of storage and 60 kW of output by connecting up to three systems in parallel. It includes an inverter and a voltage controller with up to seven batteries.
New passivation strategy increases efficiency of chloride-iodide-based perovskite solar cells by 15%
Although local defects in chloride-iodide-based perovskite are hard to avoid due to ion migration, a group of scientists have now found a way to passivate them. They used different combinations of 4-chlorobenzylammonium chloride and 4-chlorobenzylammonium bromide beneath the hole transport layer and reached up to 15% improvement in efficiency.
