ABB Relion 670 Series Product Manual page 61

Line differential protection
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Line differential protection RED670 2.0
Product version: 2.0
Table 34. Phase selection with load encroachment, quadrilateral characteristic FRPSPDIS
Function
Minimum operate current
Reactive reach, positive
sequence
Resistive reach, positive
sequence
Reactive reach, zero sequence
Resistive reach, zero sequence
Fault resistance, Ph-E faults,
forward and reverse
Fault resistance, Ph-Ph faults,
forward and reverse
Load encroachment criteria:
Load resistance, forward and
reverse
Safety load impedance angle
Reset ratio
Table 35. Fast distance protection ZMFPDIS, ZMFCPDIS
Function
Number of zones
Minimum operate current, Ph-Ph
and Ph-E
Positive sequence reactance
reach, Ph-E and Ph-Ph loop
Positive sequence resistance
reach, Ph-E and Ph-Ph loop
Zero sequence reactance reach
Zero sequence resistive reach
Fault resistance reach, Ph-E and
Ph-Ph
Dynamic overreach
Definite time delay to trip, Ph-E
and Ph-Ph operation
Operate time
Reset time at 0.1 to 2 x Zreach
Reset ratio
ABB
Range or value
(5-500)% of IBase
(0.50–3000.00) Ω/phase
(0.10–1000.00) Ω/phase
(0.50–9000.00) Ω/phase
(0.50–3000.00) Ω/phase
(1.00–9000.00) Ω/loop
(0.50–3000.00) Ω/loop
(1.00–3000.00) Ω/phase
(5-70) degrees
105% typically
Range or value
Accuracy
3 selectable directions,
-
3 fixed directions
(5-6000)% of IBase
±1.0% of I
(0.01 - 3000.00) ohm/
phase
(0.00 - 1000.00) ohm/
phase
±2.0% of static accuracy
(0.01 - 9000.00) ohm/p
±2.0 deg static angular accuracy
(0.00 - 3000.00) ohm/p
Conditions:
Voltage range: (0.1-1.1) x U
(0.01 -9000.00) ohm/l
Current range: (0.5-30) x I
Angle: At 0 deg and 85 deg
< 5% at 85 deg
measured with CVTs
and 0.5 < SIR < 30
(0.000-60.000) s
±2.0% or ±35 ms whichever is greater
16 ms typically
IEC 60255-121
Min = 20 ms
-
Max = 35 ms
105% typically
-
Accuracy
±1.0% of I
at I ≤ I
r
r
±1.0% of I at I > I
r
±2.0% static accuracy
±2.0 degrees static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
-
r
r
r
1MRK505310-BEN C
61

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