Power Quality Analyzer User’s Guide
48
Frequency 60Hz nominal
Frequency 400Hz nominal
51~69
320~480
0.01Hz
0.01Hz
±0.01Hz
±0.01Hz
Dips&Swells
Measurement
range
Resolution Accuracy
Vrms1/2 0~200%
nominal
voltage
0.01Vrms ±0.2%
Arms1/2 According
to
current clamps
0.01A ±1%
Threshold value
Threshold is settable according to nominal voltage percentage
Detectable events type: Dips, Swells, Interruption, Voltage
Rapid Change.
Duration hour-minute-
second-
microsecond
0.5 cycle
1 period
Harmonic
Measurement
range
Resolution Accuracy
Harmonic order (400Hz)
Interharmonic
order(400Hz)
Harmonic order (50/60Hz)
Interharmonic
order(50/60Hz)
Harmonic voltage %f
Harmonic voltage %r
Harmonic current %f
Harmonic current %r
THD
Frequency
Phase
1~12
No
1~100
0~99
0.0~100.0%
0.0~100.0%
0.0~100.0%
0.0~100.0%
0.0~100.0%
0~6000Hz
-180°~180°
0.01%
0.01%
0.01%
0.01%
0.01%
0.01Hz
0.1°
±0.1%±n×0.1%
±0.1%±n×0.4%
±0.1%±n×0.1%
±0.1%±n×0.4%
±2.5%
0.1Hz
±n×0.1°
Absolute voltage
0~1000V
0.01V
±1% reading
(harmonics >1%
nominal value)
±0.05% reading