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[sc_freq_meas_20min, 1, en_US]
Figure 6-23
Example 2 for Measurement Records, Frequency Measurement of 10 Seconds, and Record
Duration of 1 Hour
Recording and Evaluation of the Measured Quantities
i
i
NOTE
The voltage is recorded in the following network types:
•
1-phase network
•
3P4W (3 phases/4 wires): balanced and unbalanced
•
3P3W (3 phases/3 wires): balanced, unbalanced (2 * l), and unbalanced (3 * l)
Table 6-17
Recording and Evaluation of the Measured Quantities
Measured Quantities
AVG
Max. Value
Min. Value
PQDIF
Frequency
10 s freq
(fixed 10 s freq.)
x
15
–
–
f
(system frequency based on
10/12 cycles)
x
x
x
f
(system frequency based on 10 s)
x
x
x
Voltage (measurement intervals 1 min, 10 min)
Va
x
x
x
Vb
x
x
x
Vc
x
x
x
V
N
x
x
x
Vavg
x
–
–
Vavg ph-ph
x
–
–
Vab
x
x
x
Vbc
x
x
x
15
According to IEC 61000-4-30, the frequency is permanently defined with 10 s mean-value recording.
Power Quality
6.6 Measurement Records
SICAM, SICAM P850/P855 7KG85X, Manual
139
E50417-H1040-C482-A9, Edition 03.2022
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