Keysight AC6918L/400 Three-Phase AC Power Source

Overview

The Keysight AC6918L/400 is an 18 kVA three-phase AC power source from the AC6900 Series designed for avionics equipment testing and pre-compliance validation. Factory configured for 380-480V input, it delivers up to 320 Vrms with frequency capability up to 550 Hz and supports AC, DC, or combined AC plus DC mode operation. The unit includes built-in harmonic analysis, waveform generation, and power measurement capabilities, making it suitable for testing aircraft systems under various power conditions.

Key Features

• 18 kVA power capacity with selectable single-phase or three-phase output
• Maximum output voltage: 320 Vrms, maximum DC voltage: 452 V
• Frequency range up to 550 Hz with 50/60 Hz input
• AC, DC, or combined AC plus DC operation modes
• Built-in waveform generation and power line disturbance simulation
• Harmonic analysis up to the 50th harmonic with total harmonic distortion (THD) measurement
• Comprehensive protection: overcurrent, overvoltage, overpower, and overtemperature protection with output inhibit control
• Multiple interfaces: LXI-LAN, USB, and optional GPIB connectivity
• Five-inch LCD color display for simultaneous three-phase measurements
• Remote operation via PathWave BenchVue software

Applications

• Avionics and aircraft systems testing in compliance with RTCA DO-160 and MIL-STD-704 standards
• Automated test equipment (ATE) for power components and electronic assemblies
• Power line disturbance and brownout simulation
• AC/DC power adapter and power supply testing
• Motor and electronic controller validation
• Relay, transformer, and fire alarm system verification