Function Block; Signals; Settings - ABB RET650 Technical Manual

Relion 650 series transformer protection
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Section 9
Voltage protection
9.4.3
9.4.4
9.4.5
Table 150:
OEXPVPH Group settings (basic)
Name
Operation
V/Hz>
V/Hz>>
tMin
kForIEEE
AlarmLevel
tAlarm
222
adjacent parts in a relatively short time. The function has settable inverse operating
curves and independent alarm stages.

Function block

OEXPVPH
U3P*
BLOCK
RESET
IEC09000008-2-en.vsd
IEC09000008 V2 EN
Figure 98:
OEXPVPH function block

Signals

Table 148:
OEXPVPH Input signals
Name
U3P
BLOCK
RESET
Table 149:
OEXPVPH Output signals
Name
TRIP
START
ALARM

Settings

Values (Range)
Unit
Off
-
On
100.0 - 180.0
%UB/f
100.0 - 200.0
%UB/f
0.005 - 60.000
s
1 - 60
-
50.0 - 120.0
%
0.00 - 9000.00
s
TRIP
START
ALARM
Type
Default
Description
GROUP
-
SIGNAL
BOOLEAN
0
BOOLEAN
0
Type
Description
BOOLEAN
BOOLEAN
BOOLEAN
Step
Default
-
Off
0.1
110.0
0.1
140.0
0.001
7.000
1
1
0.1
100.0
0.01
5.00
1MRK 504 135-UEN A
Three phase group signal for voltages
Block of function
Reset of function
General trip signal
General start signal
Overexcitation alarm signal
Description
Operation Off / On
Operate level of V/Hz at no load and rated
freq in % of (Ubase/frated)
High level of V/Hz above which tMin is
used, in % of (Ubase/frated)
Minimum trip delay for V/Hz curve
Time multiplier for IEEE inverse type
curve
Alarm operate level
Alarm time delay
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