P92x/EN FT/E11 Technical Guide
User Guide
Page 54/110 MiCOM P921-P922-P923
P0401ENa
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2 3
CONFIGURATION
Menu:
df/dt: CYCLE NB=
3
If both df/dt average1 and df/dt average2 exceed the threshold of the first element of
df/dt in the protection Menu,then the protection will opeate
However if only one of the average values exceeds the programmed threshold, then
the protection function will not oparate since the VALIDATION Number for
positionning the protection (=2) is not reached.
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