f-Protection Module – Frequency [81O/U, 78, 81R]
Device Planning Parameters of the Frequency Protection Module
Parameter
Description
Options
Default
Menu path
Mode
Mode
do not use,
f<,
f>,
f< and df/dt,
f> and df/dt,
f< and DF/DT,
f> and DF/DT,
df/dt,
delta phi
f[1]: f<
f[2]: f>
f[3]: f<
f[4]: f<
f[5]: f<
f[6]: f<
[Device planning]
Global Protection Parameters of the Frequency Protection Module
Parameter
Description
Setting range
Default
Menu path
ExBlo1
External blocking of the
module, if blocking is
activated (allowed) within
a parameter set and if the
state of the assigned
signal is true.
1..n, Assignment List
-
[Protection Para
/Global Prot Para
/f-Prot
/f[1]]
ExBlo2
External blocking of the
module, if blocking is
activated (allowed) within
a parameter set and if the
state of the assigned
signal is true.
1..n, Assignment List
-
[Protection Para
/Global Prot Para
/f-Prot
/f[1]]
ExBlo TripCmd
External blocking of the
Trip Command of the
module/the stage, if
blocking is activated
(allowed) within a
parameter set and if the
state of the assigned
signal is true.
1..n, Assignment List
-
[Protection Para
/Global Prot Para
/f-Prot
/f[1]]
Page 260
EN MRU4 10/09