ABB introduced the PVI 500 central inverter with a power rating of 4.7 MVA, expandable to 9.4 MVA
The inverter combines liquid and air cooling and delivers up to 99.45% efficiency
The company also showcased the Orchestra plant controller for managing grid-code compliance in utility-scale solar and energy storage projects
ABB, a global supplier of electrification and automation technologies, unveiled its new utility-scale Proteus portfolio at Intersolar Europe 2026. It includes the PVI 500 central inverter, the APCS battery energy storage power conversion system (PCS), and the plant controller for utility-scale solar and energy storage projects.
Speaking to the TaiyangNews team at the event, Nora Han, Head of Sales, Renewable Power Business at ABB, said the PVI 500 has a power rating of 4.7 MVA and can be expanded to 9.4 MVA when installed in a back-to-back configuration. According to ABB, the inverter delivers up to 99.45% efficiency.
ABB also presented its APCS battery energy storage PCS. Han said the system supports grid-forming, black start, island mode, and on-grid operation. ABB has a 50 MW grid-forming project in Australia that is already in operation, she adds.
Han also highlighted the inverter's hybrid cooling system, which combines a closed liquid-cooling circuit with air cooling. The liquid-cooling circuit cools the power electronics while requiring little maintenance. The system can operate at full power up to 40°C, with derating starting above this temperature.
The company also showcased its plant controller, called Orchestra. It manages grid-code requirements using built-in control algorithms. According to Han, it supports projects in the United States, Europe, Australia, and other markets.
