Keysight RP7931A Bidirectional/Regenerative Power System

Overview

The Keysight RP7931A is a 5 kW bidirectional regenerative power system designed for testing battery-powered devices, energy storage systems, and power converters. With 20V/400A output capability and autoranging characteristics, it operates seamlessly as both a power source and regenerative electronic load, with 90% energy recovery efficiency. The integrated battery emulation feature enables realistic testing under actual battery operating conditions.

Key Features

• Bidirectional 5 kW power system with 20V/400A output
• Two-quadrant operation as power source and regenerative load
• Autoranging output for extended voltage and current combinations
• 90% regeneration efficiency returns power to grid, reducing cooling costs
• Battery emulation mode with internal resistance simulation
• Sub-millisecond command response for rapid transient testing
• Arbitrary waveform generation for voltage and current transient simulation
• Integrated measurements: voltage, current, power, amp-hour, watt-hour
• Multiple connectivity: GPIB, Ethernet/LAN, USB, web interface
• LXI Core 1.5 compliant with built-in web control

Applications

• Electric and hybrid vehicle powertrain validation
• Battery performance characterization and cycle testing
• Power converter and inverter testing
• Energy storage system evaluation
• Transient response testing of automotive electronics