ABB Relion 670 series - Technical data

Table 101: ZDRDIR (21D) Group settings (basic)
Name Values (Range) Unit Step Default Description
IBase 1 - 99999 A 1 3000 Base setting for current level
VBase 0.05 - 2000.00 kV 0.05 400.00 Base setting for voltage level
IMinPUPP 5 - 30 %IB 1 10 Minimum pickup delta current (2 x current of
lagging phase) for Phase-to-phase loops
IMinPUPG 5 - 30 %IB 1 5 Minimum pickup phase current for Phase-to-
ground loops
AngNegRes 90 - 175 Deg 1 115 Angle of blinder in second quadrant for
forward direction
AngDir 5 - 45 Deg 1 15 Angle of blinder in fourth quadrant for forward
direction
6.1.7 Technical data
Table 102: ZMQPDIS (21) Technical data
Function Range or value Accuracy
Number of zones Max 5 with selectable
direction
-
Minimum operate residual
current, zone 1
(5-1000)% of IBase -
Minimum operate current, phase-
to-phase and phase-to-ground
(10-1000)% of IBase -
Positive sequence reactance (0.10-3000.00) Ω/
phase
± 2.0% static accuracy
± 2.0 degrees static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x V
n
Current range: (0.5-30) x I
n
Angle: at 0 degrees and 85 degrees
Positive sequence resistance (0.01-1000.00) Ω/
phase
Zero sequence reactance (0.10-9000.00) Ω/
phase
Zero sequence resistance (0.01-3000.00) Ω/
phase
Fault resistance, phase-to-
ground
(0.10-9000.00) Ω/loop
Fault resistance, phase-to-phase (0.10-3000.00) Ω/loop
Dynamic overreach <5% at 85 degrees
measured with CVT’s
and 0.5<SIR<30
-
Impedance zone timers (0.000-60.000) s ± 0.5% ± 10 ms
Operate time 24 ms typically -
Reset ratio 105% typically -
Reset time 30 ms typically -
Section 6 1MRK505222-UUS C
Impedance protection
194
Technical reference manual