Siemens siprotec 7SA6, Manual

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Configuration
5-24
7SA6 Manual
C53000-G1176-C156-2
Figure 5-19 Information properties example for information type “Limit Value User Defined”
(LVU)
If, for example, a low current reporter should be established using the CFC logic, and
the percentage of the measured current should be matched to a certain amp value,
the following values are entered in window according to Figure 5-19:
The
Dimension
is A (amps). The
Conversion Factor
is 150: 150 A corresponds
to 100 % input current. The limit value upon start-up is set for 120 A.
Metered Values For metered values, the polarity (+/–) is an indicator for the direction of the power flow
(Figure 5-20 and 5-21). For the metered values of measured values (MVMV) the user
may also define the units for pulsed measured values (
PMV
) (Figure 5-20), the conver-
sion factor, and the number of decimal places (Figure 5-21). If
wiping pulse/S0
is
selected, each individual impulse increases the counter by one. If the double current
pulse option is selected, then each individual transition (positive or negative) increas-
es the counter by one. If, for example, MVARh is entered as the units and 1000 is en-
tered as the conversion factor, then 1000 impulses are equal to 1 MVARh.