Application Guide - NP900 Series
392 (504
)
A996A
used to determine which conditions have to be met in addition to the previously mentioned
three aspects to consider the systems synchronized.
Figure 3.6.3-8 Different states of the system
1.1.1.12
M
EASURED INPUT VALUES
Analog voltage measurement values are used for the function block. Function block
utilizes always peak-to-peak measurement from samples and the monitored magnitude is
fundamental frequency RMS values.
Table 1.1.1.12-241 Analogic magnitudes used by the UV function.
Signal
Description
Time base
U
1
RMS
Fundamental RMS measurement of voltage U
1
/V
5 ms
U
2
RMS
Fundamental RMS measurement of voltage U
2
/V
5 ms
U
3
RMS
Fundamental RMS measurement of voltage U
3
/V
5 ms
U
4
RMS
Fundamental RMS measurement of voltage U
4
/V
5 ms
