EA-ELR 11500-60 4U Programmable Regenerative DC Electronic Load

The EA-ELR 11500-60 4U is a high-performance programmable electronic DC load with energy recovery, designed for bench and system integration. As a 30kW regenerative DC load, it features a wide voltage range of 0-1500V and current range of 0-60A, achieving up to 96.5% efficiency in energy recovery. This benchtop power supply tester is ideal for testing computer power supplies, AC supplies, and programmable DC power supplies. It includes a built-in function generator for sine, triangle, rectangle, trapezoid, DIN 40839, arbitrary, ramp, and IU table waveforms, plus battery test and MPP tracking functions for solar panel testing. With master-slave operation, up to 64 units can be paralleled for higher power applications. It offers multiple operating modes (CV, CC, CP, CR), comprehensive protection (OVP, OCP, OPP, OT, PF), and various interfaces (USB, Ethernet, analog, optional digital modules). Cooling options include forced air or water cooling, and it meets safety and EMC standards.

Key Features

• High Power and Efficiency: 30kW regenerative DC load with up to 96.5% energy recovery efficiency, reducing energy costs and heat dissipation.
• Wide Voltage and Current Range: 0-1500V and 0-60A, suitable for testing various power supplies and components.
• Advanced Function Generator: Includes sine, triangle, rectangle, trapezoid, DIN 40839, arbitrary, ramp, IU table, battery test, and MPP tracking functions for versatile testing scenarios.
• Master-Slave Parallel Operation: Connect up to 64 units for scalable power up to 1920kW, with automatic current sharing and system initialization.
• Multiple Operating Modes: Constant voltage (CV), constant current (CC), constant power (CP), and constant resistance (CR) modes for flexible load simulation.
• Comprehensive Protection and Monitoring: Overvoltage (OVP), overcurrent (OCP), overpower (OPP), overtemperature (OT), and power fail (PF) protections, plus user-definable events.
• Extensive Interfaces: Built-in USB, Ethernet, and analog interfaces; optional digital interfaces (CANopen, RS232, Profibus, etc.) for remote control and monitoring.
• Robust Cooling Options: Standard forced air cooling or optional water cooling for high-power applications, ensuring reliable operation in various environments.
• Application-Oriented: Ideal for battery testing, solar panel MPP testing, power supply aging, and electronic component validation.