ABB REG316 4 Series Operating Instructions Manual page 236

ABB Switzerland Ltd
D. Rate-of-change frequency settings – df/dt
Summary of parameters:
Text Unit
ParSet4..1
Trip
df/dt Hz/s
Frequency Hz
BlockVoltage UN
Delay s
VoltageInp CT/VT-Addr.
Blocked (U<) SignalAddr
BlockInp BinaryAddr F
Trip SignalAddr ER
Explanation of parameters:
ParSet 4..1
Parameter for determining in which set of parameters a par-
ticular function is active
Trip
defines the tripping channel activated by the tripping O/P of
the function (matrix tripping logic).
df/dt
Rate-of-change of frequency pick-up setting.
Inadmissible settings:
df/dt = 0
·
df/dt > 0 for absolute frequency settings < f
·
df/dt < 0 for absolute frequency settings > f
·
3-198
REG 316*4 1MRB520049-Uen / Rev. F
Default Min.
P1 Select
00000000
-1.0 -10.0
48.00 00.00
0.2 0.2
00.10 00.10
0
(see Section 5.11.).
Max. Step
+10.0 0.1
65.00 0.01
0.8 0.1
60.00 0.01
N
.
N