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The Elgar SW 1850A SmartWave (SW) AC power source offers powerful waveform creation for ATE and power line disturbance simulation testing. Separate arbitrary waveform generators enable the SmartWave to create independent, complex waveforms on phases simultaneously. The SmartWave is designed to meet waveform requirements including DC content (up to 312V), low distortion (THD 0.25% to 100 Hz), low noise and ripple, plus full compliance testing to many EMC and avionics standards. The SmartWave can easily create fractional or multicycle dropouts, spikes, surges, sags and distorted waveforms from the front panel. To simulate these complex real-world power occurrences, the SmartWave comes with a library of 50 built-in waveshapes. Specifications. Output Power Rating: 1850 VA. AC or DC Output Voltage: 0 to156 Vrms L-N, range 1; 0 to 312 Vrms L-N, range 2. Current Per Phase: 13/16A to 135V in 156V range; 6.5/13A to 270V in 312V range per 1750/1850 VA module. Power Factor: of Load 0 to unity. Crest Factor: 4.0 (peak output current to rms output current)). Frequency Range: DC or 2Hz to 6 kHz. Specifications apply DC, 40Hz to 5kHz, for output frequencies greater than 1 kHz, the max slew rate allowed is 1 kHz per second. Max Total Harmonic Distortion: (Full Linear Load or No Load): 0.25% max, 40 to 100 Hz; 0.5% max to 500 Hz; and 1% max to 1 kHz plus 1%/kHz to 5 kHz. AC Noise Level: >60 dB rms below full output voltage. Line Regulation: (DC, or 40 Hz to 5 kHz): ±0.025% of full scale for a ±10% input line change. Load Regulation: ±0.025% of full scale voltage for a full resistive load to no load; above 1 kHz, add ±0.01%/kHz. Voltage Accuracy: ±0.1% of range. Above 1 kHz, add 0.2%/kHz. Add ±0.1% of full scale for “AC PLUS DC” mode. Valid for 5 to 156 Vrms and 10 to 312 Vrms at 25°C. Voltage Resolution: 0.05% of full scale. Frequency Accuracy: ±0.01% at 25°C ±0.001%/°C.
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