An industrial manufacturer has introduced an advanced utility-scale inverter in its new Series 6001 energy storage grid-connect inverter, engineered to provide improved power stability for wind and solar energy customers. Engineered by Eaton Corp. for utility-scale grid-connect battery applications, the Series 6001 inverter lets customers achieve full battery storage potential because of a large direct current operating voltage window. Eaton power electronics switching techniques result in lower losses and improved efficiency. The Series features proprietary electronics that make it one of the most efficient inverters in the renewable power market.
“With the recent IE Power acquisition, Eaton now combines strong design capabilities with an established product to deliver dependable and efficient inverters for utility-scale customers,” Chris Thompson, business unit manager at Eaton.
The Series 6001 provides high-performance conversion in utility applications for wind, solar and other heavy industrial power applications by creating a high-performance link between the power source and battery. The Series 6001 helps utilities reduce downtime and clear faults faster by staying on line during fault conditions. Low-voltage ride through (LVRT) with proprietary algorithms let the Series 6001 inverter run near zero line voltage for extended periods, while maintaining line synchronization. Also, high-voltage ride through (HVRT) capability is achieved through conservatively rated components.
Ride-through capabilities meet the requirements of North American and European standards: Federal Energy Regulatory Commission (FERC), Bundesverband der Energie und Wasserwirtschaft (BDEW), and E-ION. These standard compliance settings are field selectable to match site requirements.
A four-quadrant inverter for battery charge and discharge, the Series 6001 withstands demanding applications with a rugged design. The enclosure meets a seismic zone 4 rating and is available as indoor or outdoor rated. The dust-tight section protects the liquid-cooled inverter and electronics control components from harsh and dusty environments. Also, a vented section houses robust air-cooled magnetics.
The Series 6001 is rated for 500 kilowatt (kW), 1,000 kW and 1,500 kW applications. Designed for a 20-year life for utility applications, the unit has conservatively rated magnetics, liquid-cooled power modules with over seven million hours mean time between failure (MTBF) and a rugged enclosure for demanding environments. Additionally, the transformerless design, proprietary control strategies and filter design result in over 98% peak power efficiency.
Eaton grid-connect inverters provide the required grid support, including: low, zero and high voltage ride through; standalone/black start operation; islanding detection; utility communication; and full four quadrant operation.
In conjunction with a system supervisory controller and feedback from the point of common coupling (PCC), additional grid support features can be achieved. These include: peak power shaving, load leveling, grid frequency regulation and voltage control.
The configurable Series 6001 interface allows communications and control of the inverter through a variety of links. By connecting to a system supervisory controller, transmission providers are able to send commands and receive data.
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