Fixing faulty inverters in PV plants via root cause analysis
Kiwa PI Berlin has fixed faults in inverters at a PV plant in South Africa by using root cause analysis. The project had experienced up to 130 failures related to insulated gate bipolar transistors (IGBTs).
Servotech launches solar inverters, microinverters, battery storage systems
Servotech Power Systems has developed a new range of solar solutions, including on-grid microinverters and inverters, hybrid inverters, battery energy storage systems, and solar pump controllers. The microinverters feature maximum power point tracking, built-in WiFi, and reverse power transmission.
Grid-resilient inverters are exposed to cyber-physical threats
New research shows all the challenges that smart inverters will have to face in the next decades, including cybersecurity issues and increasing manufacturing costs. The scientists explain that, despite the new opportunities that the Internet of Things and artificial intelligence are offering, their application may also result in an increasing number of cyber risks.
Solplanet launches 350 kW solar inverter for large-scale PV in India
Solplanet has released its ASW350K-HT three-phase solar inverter, a 350 kW device with a maximum efficiency of 99.01% for utility-scale PV projects in India.
Kaco launches new hybrid inverters for residential applications
The German manufacturer unveiled a new line of hybrid inverters for applications ranging from residential rooftop arrays to projects on small commercial buildings. They have outputs between 6 kW and 12 kW, a maximum efficiency of 98.19%, and a maximum European efficiency of 96.55%.
Survey shows best fast MPPT techniques for PV
A group of scientists conducted a literature review of almost a hundred fast maximum power point tracking algorithms. They extracted ten representative algorithms and showed which of them works best under different scenarios.
Fraunhofer IMWS develops methodology for better lifetime predictions of inverters
The Fraunhofer Institute for Microstructure of Materials and Systems (Fraunhofer IMWS) has developed a methodology to improve lifetime predictions of inverters, to help manufacturers reduce material use and testing efforts while lowering production costs without compromising device lifespan.
Solis introduces low-voltage hybrid inverters
The Chinese manufacturer said that its new series includes inverters with up to 15 kW of AC output. It supports a maximum input current of 20A.
Powering restaurants with rooftop PV, reversible fuel cells
Researchers have simulated the operation of bifacial PV and proton exchange membrane reversible fuel cells across restaurants in five different US states. Taking into account varying rates of bifacial PV’s rearside gains, they found that LCOE was as low as $0.029 per kWh.
Sungrow plans listing on Frankfurt Stock Exchange
Sungrow says it is planning a listing on the Frankfurt Stock Exchange to support its inverter and energy storage manufacturing operations beyond China.
