IEC16000109-1-en.vsdx
Y1...Y7 : Cyclic reported values, depending upon time Δt.
Y’ and Y” : Deadband reported value, change is greater than setting
Δt
Δt Δt Δt Δt
Δt
Y1
Y2
Y3
Y4
Y5
Y6
Y7
+ΔY
-ΔY
Value
Time
Y’
Y”
Value
Reported
IEC16000109 V1 EN-US
Figure 262: Example of value reporting in mode dead band and xx cyclic (xx : 5
sec , 30 sec, 1 min)
15.1.7.2 Measurements CVMMXN
SEMOD54417-172 v3
Mode of operation
SEMOD54417-174 v7
The measurement function must be connected to three-phase current and three-
phase voltage input in the configuration tool (group signals), but it is capable to
measure and calculate above mentioned quantities in nine different ways depending
on the available VT inputs connected to the IED. The end user can freely select by
a parameter setting, which one of the nine available measuring modes shall be used
within the function. Available options are summarized in the following table:
Section 15 1MRK 505 394-UEN A
Monitoring
524 Line differential protection RED650 2.2 IEC
Technical manual
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