The Keysight AC6918H is an 18 kVA three-phase AC power source and integrated analyzer for demanding test environments. It combines AC and DC sourcing with multimeter, harmonic analyzer, and power analyzer functions in a single instrument. The system generates programmable AC, DC, and AC+DC waveforms up to 5 kHz, supports single-, two-, and three-wire output configurations, and delivers up to 320 Vrms with 60 A per phase maximum current. Built-in power line disturbance simulation, harmonic analysis to the 50th harmonic, waveform generation, and soft start/stop protection make it suitable for avionics qualification, electric vehicle charger development, and aerospace system testing.
– Technical Specifications
• Output Power: 18 kVA (1P or 3P)
• Maximum AC Voltage: 320 Vrms
• Maximum DC Voltage: 452 V
• Frequency Range: DC to 5 kHz output; 50/60 Hz input
• Maximum RMS Current: 60 A per phase (3P), up to 90 A (1P), 180 A (1P single load)
• Input Voltage: 200–230 V or 380–480 V (selectable configuration)
• Output Modes: AC, DC, AC+DC
• Output Connections: Single, two, and three-wire
• Constant Voltage/Current: Yes
• Programmable: Yes
– Key Features
• Integrated multimeter, harmonic analyzer, and power analyzer
• Precision measurement of AC, DC, and AC+DC voltage and current
• Peak voltage/current, real/apparent/reactive power, power factor, and crest factor measurement
• Harmonic analysis of voltage and current waveforms (amplitude and phase) up to the 50th harmonic
• Total Harmonic Distortion (THD) measurement
• Built-in power line disturbance simulation and output sequencing
• Over/under-voltage and current protection
• Output inhibit programming and soft start/stop function
• LAN (LXI core) and USB connectivity; optional GPIB, digital, and analog interfaces
– Typical Applications
• Avionics equipment testing at 400 Hz, 800 Hz, and up to 5,000 Hz per RTCA DO-160 and MIL-STD-704
• Electric vehicle onboard charger (OBC) development and validation
• Aircraft instrumentation and ATE station qualification
• Power interruption and supply condition simulation
– Compatibility & Integration
The AC6918H/400 variant is configured for 380–480 V / 5-wire input. Standard interfaces include LAN and USB; optional GPIB, digital control, and analog control modules are available.
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