V02765
Zone 6
Zone 5
Resistive forward (+R)
Resistive reverse (R’)
OST Z5
OST Z6
OST Z5'
OST Z6'
OST R6OST R5
OST R5'OST R6'
+jX
Z
L
OST trip
MOVs operation
DR
Figure 131: Example of timer reset due to MOVs operation
Note:
If the OST Trip setting is chosen, the timer when triggered, will eventually expire as the power oscillations progress, therefore
the MOV operation will not have any impact on Out-of-Step operation.
Chapter 10 - Power Swing Functions P446SV
248 P446SV-TM-EN-1