Table 34. Phase selection with load encroachment, quadrilateral characteristic FRPSPDIS
Function Range or value Accuracy
Minimum operate current (5-500)% of IBase ±1.0% of I
r
at I ≤ I
r
±1.0% of I at I > I
r
Reactive reach, positive
sequence
(0.50–3000.00) Ω/phase ±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
Resistive reach, positive
sequence
(0.10–1000.00) Ω/phase
Reactive reach, zero sequence (0.50–9000.00) Ω/phase
Resistive reach, zero sequence (0.50–3000.00) Ω/phase
Fault resistance, Ph-E faults,
forward and reverse
(1.00–9000.00) Ω/loop
Fault resistance, Ph-Ph faults,
forward and reverse
(0.50–3000.00) Ω/loop
Load encroachment criteria:
Load resistance, forward and
reverse
Safety load impedance angle
(1.00–3000.00) Ω/phase
(5-70) degrees
Reset ratio 105% typically -
Table 35. Fast distance protection ZMFPDIS, ZMFCPDIS
Function
Range or value Accuracy
Number of zones 3 selectable directions,
3 fixed directions
-
Minimum operate current, Ph-Ph
and Ph-E
(5-6000)% of IBase ±1.0% of I
r
Positive sequence reactance
reach, Ph-E and Ph-Ph loop
(0.01 - 3000.00) ohm/
phase
±2.0% of static accuracy
±2.0 deg static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: At 0 deg and 85 deg
Positive sequence resistance
reach, Ph-E and Ph-Ph loop
(0.00 - 1000.00) ohm/
phase
Zero sequence reactance reach (0.01 - 9000.00) ohm/p
Zero sequence resistive reach (0.00 - 3000.00) ohm/p
Fault resistance reach, Ph-E and
Ph-Ph
(0.01 -9000.00) ohm/l
Dynamic overreach < 5% at 85 deg
measured with CVTs
and 0.5 < SIR < 30
Definite time delay to trip, Ph-E
and Ph-Ph operation
(0.000-60.000) s ±2.0% or ±35 ms whichever is greater
Operate time 16 ms typically IEC 60255-121
Reset time at 0.1 to 2 x Zreach Min = 20 ms
Max = 35 ms
-
Reset ratio 105% typically -
Transformer protection RET670 2.0
1MRK 504 141-BEN C
Product version: 2.0
60 ABB
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