ABB Relion 670 Series Technical Reference Manual page 546

Section 8
Voltage protection
8.4.4
8.4.5
Table 271: OEXPVPH (24) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 1 - 99999
VBase 0.05 - 2000.00
Pickup1 100.0 - 180.0
Pickup2 100.0 - 200.0
XLeakage 0.000 - 200.000
t_TripPulse 0.000 - 60.000
t_MinTripDelay 0.000 - 60.000
t_MaxTripDelay 0.00 - 9000.00
t_CoolingK 0.10 - 9000.00
CurveType IEEE
Tailor made
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Input and output signals
Table 269: OEXPVPH (24) Input signals
Name Type
I3P GROUP
SIGNAL
V3P GROUP
SIGNAL
BLOCK BOOLEAN
RESET BOOLEAN
Table 270: OEXPVPH (24) Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
ALARM BOOLEAN
Setting parameters
Unit Step
- -
A 1
kV 0.05
%VB/f 0.1
%VB/f 0.1
ohm 0.001
s 0.001
s 0.001
s 0.01
s 0.01
- -
Default Description
- Current connection
- Voltage connection
0 Block of function
0 Reset operation
Description
Trip from overexcitation function
Overexcitation above set trip pickup (instantaneous)
Overexcitation above set alarm pickup (delayed)
Default Description
Disabled Disable/Enable Operation
3000 Base current (rated phase current) in A
400.00 Base voltage (main voltage) in kV
110.0 Operate level of V/Hz at no load and rated
freq in % of (Vbase/frated)
140.0 High level of V/Hz above which tMin is used,
in % of (Vbase/fn)
0.000 Winding leakage reactance in primary ohms
0.100 Length of the pulse for trip signal (in sec)
7.000 Minimum trip delay for V/Hz inverse curve, in
sec
1800.00 Maximum trip delay for V/Hz inverse curve, in
sec
1200.00 Transformer magnetic core cooling time
constant, in sec
IEEE Inverse time curve selection, IEEE/Tailor made
1MRK505222-UUS C
Technical reference manual