Energy storage system switches from on-grid to off-grid
The Protect SC.600 bi-directional power converter is based on the Protect PV solar inverter platform.
The core element of any battery energy storage system, the converter, charges and discharges batteries to store or provide power according to the application requirement such as frequency control, peak shaving, energy shifting (temporary storage to re-inject power when maximizing profitability), or voltage control (often used to balance the voltage instability generated by integration of renewables in the grid).
The Protect SC. 600 provides conversion efficiency for both the charging and discharging phases. With a wide DC input range, it can be used with any state of the art battery technology currently available.
This version allows a seamless transition between off-grid and on-grid mode as an option. This extends the battery energy system’s usage beyond its core functions, such as peak shaving for system back-up in the event of a grid blackout and provides an additional benefit for any industrial or commercial customer who invests in battery systems primarily to decrease their energy costs and have an all-in-one installation that also integrates the security of their power supply.
This new option is aimed at battery energy storage remote areas or islands where grid reliability is uncertain or for full off-grid applications in similar geographies.
The Protect SC. 600 can be easily implemented in a turnkey solution including batteries and medium voltage transformers. The new outdoor enclosure has been designed to house one Protect SC.600, an optional AC low voltage circuit breaker, a communication interface as well as an auxiliary power supply. The outdoor enclosure replaces the usage of containers whose weight and size make it difficult to transport and handle. With Protect SC.600, up to four units can be loaded onto a truck and moved with a forklift truck replacing the need for heavy load cranes.
The outdoor enclosure decreases the cost by 20% compared to container solutions. It is currently running at several sites around the world in various types of energy storage installations, operating with lead-acid, Lithium-ion or redox flow batteries.
The AEG brand is licensed from AB Electrolux, with AEG Power Solutions headquartered in Zwanenburg in the Netherlands. It is the sole subsidiary of holding company 3W Power SA in Luxembourg, and the shares of 3W Power are traded on the Frankfurt Stock Exchange.
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