A research group led by scientists from Egypt’s Cairo University has developed a novel control strategy for frequency fluctuations during the deloading of PV systems. “This paper evaluates the ...

Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

Around 70 percent of all new power generation capacity installed worldwide in 2024 were photovoltaic systems (source: IEEE’s ...

A group of researchers from China's Beijing University of Civil Engineering and Architecture has conceived a new control strategy for variable water temperature and variable flow in PV-driven heat ...

Maximising the performance of tracked bifacial PV requires optimisation of technical and financial factors. Image: Nextracker PV systems combining bifacial and tracker technologies deliver the ...

Enerparc’s Schkölen PV power plant has become the first of its kind in Germany to be prequalified to provide ancillary frequency regulation services. Image: Enerparc. Germany’s first ground-mounted PV ...

Article 690 covers solar installations, except large-scale ones (those are covered in Article 691) [Sec. 690.1], as shown in Fig. 1. There are three important definitions: “Photovoltaic (PV) system” ...

As the energy transition accelerates, PV-plus-storage is increasingly adopted in European large-scale solar plants. According to BloombergNEF, cumulative PV-plus-storage capacity in ...

What is the PV-Pushback-Effect? How can solar day lamps (SDLs) take advantage of this effect? Solar day lamps (SDLs) are made by simply connecting an LED array to a solar photovoltaic (PV) panel. SDLs ...

Part II of Art. 690 provides the circuit requirements for PV systems. The first requirement it covers is the maximum PV system direct-current (DC) circuit voltage. This value is used when selecting ...