High power regenerative DC load operates 360-528V AC

Posted By : Anna Flockett
High power regenerative DC load operates 360-528V AC

Intepro Systems has introduced the ELR 9000 HP Series of regenerative, programmable electronic DC loads. This latest version of the popular ELR Series is designed to accommodate three-phase mains between 360V–528V AC. The increased power density of HP Series units provides load ratings of up to 15kW in a single 3U rack-mounted instrument.

A master-slave bus can be used to connect as many as 16 units in parallel to test loads of up to 240kW. A feature of the ELR 9000 HP Series is an integral, grid-synchronised inverter designed to return up to 94.5% of the load test energy back to the grid. 

The ELR 9000 HP Series offers four common regulation modes: constant voltage, constant current, constant resistance and constant power. The FPGA-based operational controls include a function generator and a table-based regulation circuit for the simulation of non-linear internal resistances.

Intepro’s PowerStar 6 software package enables the creation of test routines using a drag-and-drop menu where coding can be performed without programming.  

“The wide input voltage of the new ELR 9000 HP Series of electronic DC loads is especially important to our customers who have manufacturing facilities in multiple global locations,” said Gerard Sheehan, Intepro's Chief Technical Officer. “In addition, the regenerative output is even more valuable in these higher power density units, eliminating the need for expensive cooling systems used by conventional air- and water-cooled loads to dissipate energy as heat.”

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