ABB Relion 670 Series Technical Reference Manual page 396

Section 7
Current protection
7.2.5
Table 191: OC4PTOC (51_67) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 1 - 99999
Vbase 0.05 - 2000.00
AngleRCA 40 - 65
AngleROA 40 - 89
NumPhSel 1 out of 3
2 out of 3
3 out of 3
DirModeSel1 Disabled
Non-directional
Forward
Reverse
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Name Type
PU_ST4 BOOLEAN
PU_A BOOLEAN
PU_B BOOLEAN
PU_C BOOLEAN
PU_ST1_A BOOLEAN
PU_ST1_B BOOLEAN
PU_ST1_C BOOLEAN
PU_ST2_A BOOLEAN
PU_ST2_B BOOLEAN
PU_ST2_C BOOLEAN
PU_ST3_A BOOLEAN
PU_ST3_B BOOLEAN
PU_ST3_C BOOLEAN
PU_ST4_A BOOLEAN
PU_ST4_B BOOLEAN
PU_ST4_C BOOLEAN
2NDHARM BOOLEAN
DIR_A INTEGER
DIR_B INTEGER
DIR_C INTEGER
Setting parameters
Unit Step
- -
A 1
kV 0.05
Deg 1
Deg 1
- -
- -
Description
Common pickup signal from step4
Pickup signal from phase A
Pickup signal from phase B
Pickup signal from phase C
Pickup signal from step1 phase A
Pickup signal from step1 phase B
Pickup signal from step1 phase C
Pickup signal from step2 phase A
Pickup signal from step2 phase B
Pickup signal from step2 phase C
Pickup signal from step3 phase A
Pickup signal from step3 phase B
Pickup signal from step3 phase C
Pickup signal from step4 phase A
Pickup signal from step4 phase B
Pickup signal from step4 phase C
Block from second harmonic detection
Direction for phase A
Direction for phase B
Direction for phase C
Default Description
Disabled Disable/Enable Operation
3000 Base current
400.00 Base voltage
55 Relay characteristic angle (RCA)
80 Relay operation angle (ROA)
1 out of 3 Number of phases required for phase
selection (1 of 3, 2 of 3, 3 of 3)
Non-directional Directional mode of step 1 (Disabled, Nondir,
Forward, Reverse)
1MRK505222-UUS C
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