Agilent/Keysight SL1840A

The Agilent/Keysight SL1840A is a high-power regenerative DC emulator engineered to simulate large battery systems in electric vehicles and validate EV charging infrastructure. It delivers 300 kW of bidirectional power flow, functioning simultaneously as a precision power source and regenerative electronic load. The SL1840A emulates real-world traction inverter behavior and power-absorbing test scenarios, with regenerated energy returned to the grid to minimize operational costs and cooling requirements.

– Technical Specifications

• Power output: 300 kW
• Voltage options: 1000 V, 1200 V, or 1500 V
• Current options: 300 A, 600 A, or 900 A
• Regenerative efficiency: 96%
• Maximum parallel configuration: 1.5 MW
• Silicon carbide (SiC) technology for enhanced efficiency

– Key Features

• Bidirectional power flow supports both source and regenerative sink operation
• Absorbed power fed back to grid reduces energy consumption and thermal load
• Compact footprint mounted on heavy-duty rollers for laboratory repositioning
• Mirrored cabinet layout available for flexible lab configuration
• Scalable architecture—multiple units parallel for future power expansion

– Typical Applications

The SL1840A addresses demanding EV and EVSE charging system validation workflows, including DC fast-charging protocol verification, traction inverter functional testing, and bidirectional power transfer characterization across global charging standards.

– Compatibility & Integration

Full integration with the SL1040A Scienlab Charging Discovery System and SL1093A Scienlab Charging Discover Software enables automated DC charging application testing. The software automates conformance, interoperability, and functional testing aligned with international charging specifications.