ABB Relion 670 series - Settings

PID-3772-OUTPUTSIGNALS v5
Table 72: REFPDIF (87N) Output signals
Name Type Description
TRIP BOOLEAN Trip by restricted earth fault protection function
PICKUP BOOLEAN Pickup by restricted earth fault protection function
DIR_INT BOOLEAN Directional Criteria satisfied for internal fault
BLK2H BOOLEAN Block due to 2-nd harmonic
IRES REAL Magnitude of fundamental frequency residual current
IN REAL Magnitude of fundamental frequency ground current
IBIAS REAL Magnitude of the bias current
IDIFF REAL Magnitude of fundamental frequency differential current
ANGLE REAL Direction angle from zero sequence feature
2NDHARM REAL Second harmonic ratio
6.4.5 Settings
IP12660-1 v2
PID-3772-SETTINGS v5
Table 73: REFPDIF (87N) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
IdMin 4.0 - 100.0 %IB 0.1 10.0 Maximum sensitivity in % of IBase
CTFactorPri1 1.0 - 10.0 - 0.1 1.0 CT factor for HV side CT1 (CT1rated/
HVrated current)
CTFactorPri2 1.0 - 10.0 - 0.1 1.0 CT factor for HV side CT2 (CT2rated/
HVrated current)
CTFactorSec1 1.0 - 10.0 - 0.1 1.0 CT factor for MV side CT1 (CT1rated/
MVrated current)
CTFactorSec2 1.0 - 10.0 - 0.1 1.0 CT factor for MV side CT2 (CT2rated/
MVrated current)
Table 74: REFPDIF (87N) Group settings (advanced)
Name Values (Range) Unit Step Default Description
ROA 60 - 90 Deg 1 60 Relay operate angle for zero sequence
directional feature
Table 75: REFPDIF (87N) Non group settings (basic)
Name
Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
Section 6 1MRK 502 066-UUS B
Differential protection
168
Technical manual