Keysight RP5900 Series Regenerative DC Power Supplies
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Keysight RP5900 Series Regenerative DC Power Supplies
March 16, 2026
Keysight introduces the RP5900 Series Regenerative DC Power Supplies, delivering a compact two-quadrant DC power solution with integrated regenerative load capability. Available in 1U and 2U form factors from 2 kW to 12 kW, the RP5900 Series combines a bidirectional DC power supply and an independent regenerative electronic load in a single unit. Its regenerative design returns up to 95% of absorbed energy back to the grid, significantly reducing operating and cooling costs while maintaining grid stability. When paired with PathWave Advanced Power Suite software, the RP5900 delivers powerful automation of complex test scenarios, rapid analysis, and deeper insights into power device performance.
Key Features
Regenerative Technology
Returns up to 95% of absorbed energy back to the grid
Drastically reduces energy consumption and cooling costs
Green grid synchronization without performance disruption
Two-quadrant design seamlessly switches between sourcing and sinking current
High Power Density
2 kW to 12 kW power range
Compact 1U and 2U chassis sizes
Autoranging output expands the power curve for more voltage and current combinations
Flexible Output Ranges
Voltage: 80 V to 800 V (model dependent)
Current: Up to 144 A (model dependent)
Power: 2 kW, 4 kW, and 12 kW configurations
High Precision & Accuracy
Voltage Programming/Readback Accuracy: 0.03% + 24 mV to 240 mV
Current Readback Accuracy: 0.1% + 8 mA to 380 mA
Line Regulation (Voltage): ≤ 16 mV to 160 mV
Line Regulation (Current): ≤ 4.8 mA to 144 mA
Load Regulation (Voltage): ≤ 16 mV to 160 mV
Load Regulation (Current): ≤ 8 mA to 240 mA
Fast Transient Response
Command processing time: ≤ 0.1 ms
Ideal for dynamic load simulations and transient analysis
Flexible Programming Resolution
Voltage: 1 mV to 10 mV
Current: 1 mA to 10 mA (10 mA on 12 kW model)
Multiple Operating Modes
Constant Current (CC)
Constant Voltage (CV)
Constant Power (CP)
Constant Resistance (CR)
Hybrid Modes: CV+CC, CV+CR, CC+CR
Auto Mode: CC+CV+CP+CR
System Integration
Standard Interfaces: USB, LAN (LXI Core), and optional GPIB
Built-in voltage and current measurements
Adjustable output impedance for battery emulation
Parallel and series capability for higher power requirements
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