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High Voltage Electronics Rack

290kW Bi-directional inverter with 48"x48" footprint.

The modular design is highly suitable for tailoring to a specific customer requirement. The optional 100kW DC-DC converter on the right of the photo is controlled by the 290kW inverter to allow four-quadrant operation.

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  Bi-Directional 290kW Inverter for Energy Storage:
ETM Model 290-480-60, Utility Interactive Inverter for Battery Systems
ETM tailored this bi-directional inverter specifically to the requirements of a customer's 1MWh flow battery. This inverter has the smallest footprint in the industry for its 290kW power level, with an integrated isolation transformer. It is one of just a few high power bi-directional inverters to be CEC listed (California Energy Commission). The modular design can be readily tailored to a customer's specific requirements, including a DC-DC option.
    • 290kW power with 96.5% CEC efficiency
    • CEC (California Energy Commission) listed, UL1741 labeled
    • Smallest footprint for this power class with integrated isolation transformer
    • -25C to +50C with no reduction in power
    • Optional 100kW four quadrant DC-DC conversion stage
    • Modular design highly suitable for tailoring


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