ABB RELION 670 Series Technical Manual page 306

Generator protection
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Section 7
Impedance protection
Name
Values (Range)
TimerLinksZ4
LoopLink (tPP &
tPG)
LoopLink &
ZoneLink
no links
TimerModeZ5
Disable all
Enable Ph-G
Enable PhPh
Enable Ph-G PhPH
TimerLinksZ5
LoopLink (tPP &
tPG)
LoopLink &
ZoneLink
no links
TimerModeZRV
Disable all
Enable Ph-G
Enable PhPh
Enable Ph-G PhPH
TimerLinksZRV
LoopLink (tPP &
tPG)
LoopLink &
ZoneLink
no links
Table 144: ZMFPDIS (21) Non group settings (basic)
Name
Values (Range)
GlobalBaseSel
1 - 12
ZDbRepInt
1 - 300
ZMax
0.0 - 5000.0
ZRepTyp
Cyclic
Dead band
Int deadband
ZAngDbRepInt
1 - 300
Table 145: ZMFPDIS (21) Non group settings (advanced)
Name
Values (Range)
ZZeroDb
0 - 100000
ZHiHiLim
0.0 - 5000.0
ZHiLim
0.0 - 5000.0
ZLowLim
0.0 - 5000.0
ZLowLowLim
0.0 - 5000.0
ZMin
0.000 - 5000.000
ZLimHys
0.000 - 100.000
Table continues on next page
300
Unit
Step
Default
-
-
LoopLink (tPP &
tPG)
-
-
Enable Ph-G
PhPH
-
-
LoopLink (tPP &
tPG)
-
-
Enable Ph-G
PhPH
-
-
LoopLink (tPP &
tPG)
Unit
Step
Default
-
1
1
Type
1
10
Ohm
0.1
1500.0
-
-
Cyclic
Type
1
10
Unit
Step
Default
m%
1
100
Ohm
0.1
1350.0
Ohm
0.1
1200.0
Ohm
0.1
300.0
Ohm
0.1
150.0
Ohm
0.001
0.005
%
0.001
5.000
1MRK 502 066-UUS B
Description
How start of trip delay timers should be
linked for zone 4
On/off setting for Ph-Ph and Ph-G trip
output, zone 5
How start of trip delay timers should be
linked for zone 5
On/off setting for Ph-Ph and Ph-G trip
outout, zone RV
How start of trip delay timers should be
linked for zone RV
Description
Selection of one of the Global Base Value
groups
Cycl: Report interval (s), Db: In % of range,
Int Db: In %s
Maximum value in ohm
Reporting type
Cycl: Report interval (s), Db: In % of range,
Int Db: In %s
Description
Zero point clamping
High High limit in ohm
High limit in ohm
Low limit in ohm
Low Low limit in ohm
Minimum value in ohm
Hysteresis value in % of range and is
common for all limits
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