Fluke 6105A - Distorted Voltage with Multiple Zero Crossings

Front-Panel Operation
Flicker 4
4-27
4-55. Distorted Voltage with Multiple Zero Crossings
The Distorted Voltage with Multiple Zero Crossings Flicker function, see Figure 4-34,
output consists of the fundamental frequency plus 12 “odd” harmonics. The phase angle
of the harmonics is 180 º. See Table 4-4 and Table 4-5.
gdw28.bmp
Figure 4-34. Distorted Voltage with Multiple Zero Crossings
Table 4-4. Distorted Voltage with Multiple Zero Crossings Flicker
Harmonic
order
3 5 7 9 11 13 17 19 23 25 29 31
Percent of
fundamental
5 6 5 1.5 3.5 3.0 2.0 1.76 1.41 1.27 1.06 0.97
The signal is sinusoidally modulated at 8.8 Hz with modulation depth depending on the
combination of voltage and fundamental frequency.
Table 4-5. Voltage Fluctuation
230 V 120 V
Fundamental
Frequency (Hz)
Voltage
Fluctuation %
Fundamental
Frequency (Hz)
Voltage
Fluctuation %
50 0.250 60 0.321
60 0.250 50 0.321
The observed P
inst
.
max
should be 1.00.