Setting Parameters - ABB RET670 Applications Manual

1MRK504116-UUS C
3.6.3.4
Table 56: FDPSPDIS (21) Group settings (basic)
Name Values (Range)
IBase 1 - 99999
VBase 0.05 - 2000.00
3I0BLK_PP 10 - 100
3I0Enable_PG 10 - 100
RLdFwd 1.00 - 3000.00
RldRev 1.00 - 3000.00
LdAngle 5 - 70
X1 0.50 - 3000.00
X0 0.50 - 9000.00
RFltFwdPP 0.50 - 3000.00
RFltRevPP 0.50 - 3000.00
RFltFwdPG 1.00 - 9000.00
RFltRevPG 1.00 - 9000.00
IMinPUPP 5 - 500
IMinPUPG 5 - 500
Application manual
The resistive boundary RLdRev for load encroachment characteristic in reverse
direction can be calculated in the same way as RLdFwd, but use maximum importing
power that might occur instead of maximum exporting power and the relevant Vmin
voltage for this condition.
Minimum operate currents
FDPSPDIS (21) has two current setting parameters which blocks the respective phase-
to-ground loop and phase-to-phase loop if the RMS value of the phase current (ILn)
and phase difference current (ILmILn) is below the settable threshold.
The threshold to activate the phase selector for phase-to-ground (IMinPUPG) is set to
securely detect a single phase-to-ground fault at the furthest reach of the phase
selection. It is recommended to set IMinPUPP to double value of IMinPUPG.
The threshold for opening the measuring loop for phase-to-ground fault
(3I0Enable_PG) is set securely detect single line-to-ground fault at remote end on the
protected line. It is recommended to set 3I0BLK_PP to double value of 3I0Enable_PG.

Setting parameters

Unit Step
A 1
kV 0.01
%IPh 1
%IPh 1
ohm/p 0.01
ohm/p 0.01
Deg 1
ohm/p 0.01
ohm/p 0.01
ohm/l 0.01
ohm/l 0.01
ohm/l 0.01
ohm/l 0.01
%IB 1
%IB 1
Default Description
3000 Base current, i.e. rated current
400.00 Base voltage, i.e. rated voltage
40 3I0 limit for disabling phase-to-phase
measuring loops
20 3I0 pickup for releasing phase-to-ground
measuring loops
80.00 Forward resistive reach for the load
impedance area
80.00 Reverse resistive reach for the load
impedance area
30 Load angle determining the load impedance
area
40.00 Positive sequence reactance reach
120.00 Zero sequence reactance reach
30.00 Fault resistance reach, Ph-Ph, forward
30.00 Fault resistance reach, Ph-Ph, reverse
100.00 Fault resistance reach, Ph-G, forward
100.00 Fault resistance reach, Ph-G, reverse
10 Minimum pickup delta current (2 x current of
lagging phase) for Phase-to-phase loops
5 Minimum pickup phase current for Phase-to-
ground loops
Section 3
IED application
259