ABB Relion 670 Series Technical Reference Manual page 850

Section 13
Scheme communication
13.8.5.5
Table 465: LCCRPTRC (94) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
ChMode 2 out of 3
1 Out Of 2
tOperate 0.000 - 60.000
13.8.5.6
13.8.6
13.8.6.1
844
Table 464: LCCRPTRC (94) Output signals
Name Type
TRIP BOOLEAN
TR_A BOOLEAN
TR_B BOOLEAN
TR_C BOOLEAN
Setting parameters
Unit Step
- -
- -
s 0.001
Technical data
Table 466: LCCRPTRC (94)technical data
Function
Operation mode
Timer
Negative sequence overvoltage protection LCNSPTOV (47)
Function description
Negative sequence overvoltage
protection
Introduction
Negative sequence components are present in all types of fault condition. Negative
sequence voltage and current get high values during unsymmetrical faults.
Description
Common trip
Trip Phase A
Trip phase B
Trip Phase C
Default
Disabled
2 out of 3
0.100
Range or value
1 Out Of 2
2 Out Of 2
(0.000-60.000) s
IEC 61850
identification
LCNSPTOV
1MRK505222-UUS C
Description
Operation Disabled/Enabled
Setting to select 1/2 or 2/2 mode
Time delay to operate
Accuracy
-
± 0.5% ± 10 ms
IEC 60617 ANSI/IEEE C37.2
identification device number
- 47
Technical reference manual