EA Elektro-Automatik EA-ELR 10920-20 3U US208V Regenerative DC Load

Overview

The EA Elektro-Automatik EA-ELR 10920-20 3U is a programmable regenerative electronic DC load designed for rackmount applications. With a 920 Vdc, 20 Adc rating and 5 kW power handling, it accepts three-phase 208–480 V AC input. The unit recovers energy and feeds it back into the grid with over 96% efficiency, reducing operational costs, heat dissipation, and HVAC requirements.

Key Features

• 920 Vdc / 20 Adc output with 5 kW power rating
• Three-phase AC input, 208–480 V +10%
• Energy recovery and regeneration with >96% efficiency
• Active Power-Factor-Correction, typical 0.99
• Autoranging voltage and current capability for maximum flexibility
• Four regulation modes: CV, CC, CP, CR with fast crossover
• 5-inch color TFT touchscreen with intuitive user interface
• 16-bit ADCs and DACs for high-resolution digital regulation
• Integrated function generator with predefined waveforms for dynamic testing
• Built-in battery test and MPPT photovoltaic test modes
• SCPI and ModBus command languages with LabVIEW and IVI drivers
• Galvanically isolated Share-Bus for parallel operation of multiple units
• Master-Slave-Bus for cascading up to 64 units

Applications

• DC power source testing and validation
• Battery charge and discharge testing
• Solar cell and photovoltaic system testing
• Fuel cell and alternative energy source testing
• Dynamic load simulation for system verification