ABB Relion 670 series - Setting parameters; Technical data; Negative sequence overvoltage protection LCNSPTOV (47); Introduction

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