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ABB central inverter now available up to 1000 kW

PVS800ABB's central inverter series, PVS800, is now available in 875 kilowatt and 1,000 kilowatt (kW) versions. The central inverters reduce overall system cost and have even higher total efficiency with a compact and easy-to-maintain design. The operating temperature and altitude rating are extended and the modular direct current (DC) input design provides greater flexibility for system integrators.

The PVS800 has a 98.8 percent maximum efficiency. This figure is improved at partial loads to provide a Euro efficiency rating of 98.6 percent. The new inverters have a very low auxiliary power consumption of only 700 watts at nominal power, which further contributes to a high total efficiency.

With a 45 percent higher power density, compared to earlier versions, the PVS800 is one of the most compact inverters on the market by footprint and volume per kW. This reduces installation and container space and lowers transportation costs. The 1,000 kW inverter brings considerable savings on the medium-voltage side by allowing larger transformers to be used.

Both the new ratings offer a wider operational temperature range, up to 50°C at nominal power and up to 55°C with power derating, making the products suitable for hot climates.

At lower temperatures, the central inverter provides up to a 20 percent power overloading capability, up to a maximum power output of 1,050 kW and 1,200 kW at 25°C for 875 kW and 1,000 kW inverters, respectively.

The modular DC input section provides flexibility to system integrators especially when considering the DC cable type and the number of junction boxes needed. The 1,000 kW central inverter is available as standard with eight fused busbar inputs and this can be extended up to 16 inputs. Additionally, the DC input section can be provided with integrated DC current measurement per input.

As a new feature, the PVS800 can support grid stability even at night by providing reactive power with the DC input disconnected.

The ABB central inverter series, rated from 100 kW to 1000 kW, is designed for multi-megawatt photovoltaic (PV) power plants as well as large PV installations in commercial and industrial buildings.

With the ABB central inverter's certificates and advanced and flexible grid support functions, it is possible to meet all applicable network connection requirements, regardless of where the project is located. To help secure the highest return on investment, ABB supports its customers with a dedicated global service network providing a complete range of life cycle services in more than 60 countries.

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