Intepro Systems, Tustin, CA, introduced the ELR9000 Series of electronic DC loads that features an integral, grid-synchronized inverter designed to return up to 94% of the load test energy back to the grid. The rack-mounted unit is available with output ratings of 3.5 kW, 7 kW, and 10.5 kW. Four regulation modes are offered: constant voltage, constant current, constant resistance, and constant power.

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This article first appeared in the February, 2016 issue of NASA Tech Briefs Magazine.

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