User Manual
278 i Series / iX Series
Table TAC:
Three Phase Load and Current Harmonic Measurements
Steady State Limits for Voltage (Including Unbalance) and Frequency
108V to 118V RMS, 393 to 407 Hz
Apply for 30 mins each test
108V to 118V RMS, +/- 3V Unbalance
Apply for 30 mins each test
Phase B 116 to 124 degrees
Apply for 30 mins each test
Voltage Distortion Spectrum
Requires Additional Equipment
Voltage Distortion Factor 0.05
Normal Voltage Transients
Repetitive Normal Voltage Transient Test
Run transient for 30 mins
Normal Frequency Transients
Underfrequency Transients
Abnormal Steady State Limits for Voltage and Frequency
100V RMS to 125V RMS, 380 Hz to 420 Hz
Abnormal Voltage Transients
Abnormal Frequency Transients
Emergency Steady State Limits for Voltage and Frequency
104V to 122V RMS, 360 to 440 Hz
Apply for 30 mins each test
N/A to AC Utilization Equipment
Power Failure (Three Phase)
One Phase and Two Phase Power Failures
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