Siemens SICAM Q80 System Manual page 122

122 SICAM Q80 7KG8080
5.1.5.7 Frequency
Measured data list
Nominal network frequency value
Cutoff network frequency value, minima and maxima
Mean values of the measured frequency
Histogram of the frequency in the range nominal values
The histogram calculated by default features a fixed range, which simplifies making comparisons of different
measurements. When you select the calculation Histogram, the statistical observation distribution over the actual
input range is found, which usually returns a higher resolution, since the frequency in normal cases fluctuates in the
range (nominal values
Power Quality Recorder SICAM Q80 7KG8080, System manual
E50417-H1076-C420-A2, Release 12.01.2015
Frequency over time and distribution in a 50 Hz network
1 Hz) at most.
10 Hz