Distorted Voltage With Multiple Zero Crossings - Fluke 6100B User Manual

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