Name Type Description
REV_B BOOLEAN Fault detected in phase B - reverse direction
REV_C BOOLEAN Fault detected in phase C - reverse direction
REV_G BOOLEAN Ground fault detected in reverse direction
NDIR_A BOOLEAN Non directional fault detected in Phase A
NDIR_B BOOLEAN Non directional fault detected in Phase B
NDIR_C BOOLEAN Non directional fault detected in Phase C
NDIR_G BOOLEAN Non directional phase-to-ground fault detected
FWD_1PH BOOLEAN Single phase-to-ground fault in forward direction
FWD_2PH BOOLEAN Phase-to-phase fault in forward direction
FWD_3PH BOOLEAN Three phase fault in forward direction
PHG_FLT BOOLEAN Release condition to enable phase-ground measuring
elements
PHPH_FLT BOOLEAN Release condition to enable phase-phase measuring
elements
PHSELZ INTEGER 21 pickup with load encroachment and 3I0
DLECND INTEGER Pickup for load encroachment and 3I0
6.10.5 Setting parameters
Table 158: FRPSPDIS (21) Group settings (basic)
Name
Values (Range) Unit Step Default Description
IBase 1 - 99999 A 1 3000 Base current, i.e. rated current
VBase 0.05 - 2000.00 kV 0.01 400.00 Base voltage, i.e. rated voltage
3I0BLK_PP 10 - 100 %IPh 1 40 3I0 limit for disabling phase-to-phase
measuring loops
3I0Enable_PG 10 - 100 %IPh 1 20 3I0 pickup for releasing phase-to-ground
measuring loops
RLdFwd 1.00 - 3000.00 ohm/p 0.01 80.00 Forward resistive reach for the load
impedance area
RldRev 1.00 - 3000.00 ohm/p 0.01 80.00 Reverse resistive reach for the load
impedance area
LdAngle 5 - 70 Deg 1 30 Load angle determining the load impedance
area
X1 0.50 - 3000.00 ohm/p 0.01 40.00 Positive sequence reactance reach
R1PP 0.10 - 1000.00 ohm/p 0.01 15.00 Positive seq. resistance for characteristic
angle, Ph-Ph
X1FwPG 0.10 - 1000.00 ohm/p 0.01 1.50 Positive seq. resistance for characteristic
angle, Ph-G
X0 0.50 - 9000.00 ohm/p 0.01 120.00 Zero sequence reactance reach
Table continues on next page
1MRK505222-UUS C Section 6
Impedance protection
345
Technical reference manual
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