The Pacific Power 390AMX is a 9.0 kVA linear AC power source engineered for precise simulation and testing of AC power conditions across single, dual, and three-phase configurations. Delivering stable, low-distortion output with exceptional regulation and response characteristics, the 390AMX supports demanding applications in product development, avionics testing, and advanced research environments.
Technical Specifications
Power and Phase Operation
• Power rating: 9.0 kVA (single and three-phase modes)
• 2-phase mode: 6.0 kVA
• Configurable single, dual, or three-phase output
Output Voltage and Current
• Single and three-phase: 0–135 V (line-neutral)
• 2-phase mode: 0–270 V (line-to-line)
• Maximum output voltage: 270 VAC
• Maximum AC current: 72 A
• Peak current capability: 6:1
Frequency Response
• Full power bandwidth: 20 Hz to 5 kHz
• Variable frequency mode: 45 Hz to 500 Hz
• Standard transformer-coupled output range: 45 Hz to 5,000 Hz
• Small signal bandwidth: 5 Hz to 50 kHz (typical)
Regulation and Distortion
• Line regulation: 0.1% max for 10% line change
• Load regulation: 0.25% (20–2,000 Hz), 0.5% (2,000–5,000 Hz)
• Load regulation with CSC enabled: <0.03%
• THD: 0.1% (45–1,000 Hz), 0.25% (1,000–5,000 Hz)
• Ripple and noise: –72 dB
• Response time to step load: 5 µsec (typical)
Metering
• Autoranging volts, amps, frequency
• RMS and peak value readout
• Voltmeter range: 0–354 V (L-N), 0–708 V (L-L)
• Ammeter range: 300% of system rating
– Key Features
• Programmable output impedance
• Waveform creation via harmonic synthesis
• Line synchronization option available
• External magnetics module support for extended voltage ranges
• Output transformers: 1.5:1, 2.5:1, 2:1 ratios
• Forced-air cooling with auto fan speed control
– Typical Applications
Product development and validation, avionics testing, power conversion research, industrial equipment qualification, and environmental stress screening requiring variable frequency and phase control.
– Compatibility & Integration
19-inch rack-mountable configuration with maximum depth of 24 inches. Supports configurable three-phase input voltages (208, 220, 240, 380, 400, 416 VAC ±10%).
