ABB RELION 670 Series Technical Manual page 904

Generator protection
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Section 14
Control
Table 532: TR8ATCC (90) Group settings (basic)
Name
Values (Range)
Operation
Disabled
Enabled
MeasMode
A
B
C
AB
BC
CA
PosSeq
Q1
-9999.99 -
9999.99
Q2
-9999.99 -
9999.99
Q3
-9999.99 -
9999.99
TotalBlock
Disabled
Enabled
AutoBlock
Disabled
Enabled
FSDMode
Disabled
Auto
AutoMan
tFSD
1.0 - 100.0
Vset
85.0 - 120.0
VDeadband
0.2 - 9.0
VDeadbandInner
0.1 - 9.0
Vmax
80 - 180
Vmin
70 - 120
Vblock
50 - 120
t1Use
Constant
Inverse
t1
3 - 1000
t2Use
Constant
Inverse
t2
1 - 1000
t_MinTripDelay
3 - 120
OperationLDC
Disabled
Enabled
Table continues on next page
898
Unit
Step
Default
-
-
Disabled
-
-
PosSeq
MVAr
0.01
0
MVAr
0.01
0
MVAr
0.01
0
-
-
Disabled
-
-
Disabled
-
-
Disabled
s
0.1
15.0
%VB
0.1
100.0
%VB
0.1
1.2
%VB
0.1
0.9
%VB
1
105
%VB
1
80
%VB
1
80
-
-
Constant
s
1
60
-
-
Constant
s
1
15
s
1
5
-
-
Disabled
1MRK 502 066-UUS B
Description
Operation Disabled/Enabled
Selection of measured voltage and current
Size of cap/reactor bank 1 in MVAr, >0 for
C and <0 for L
Size of cap/reactor bank 2 in MVAr, >0 for
C and <0 for L
Size of cap/reactor bank 3 in MVAr, >0 for
C and <0 for L
Total block of the voltage control function
Block of the automatic mode in voltage
control function
Fast step down function activation mode
Time delay for lower command when fast
step down mode is activated
Voltage control set voltage, % of rated
voltage
Outer voltage deadband, % of rated
voltage
Inner voltage deadband, % of rated
voltage
Upper lim of busbar voltage, % of rated
voltage
Lower lim of busbar voltage, % of rated
voltage
Undervoltage block level, % of rated
voltage
Activation of long inverse time delay
Time delay (long) for automatic control
commands
Activation of short inverse time delay
Time delay (short) for automatic control
commands
Minimum operating time in inverse mode
Operation line voltage drop compensation
Technical manual
PID-6559-SETTINGS v3

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