SEMOD173239-2 v10
Table 41. Distance measuring zone, quadrilateral characteristic for series compensated lines ZMCPDIS, ZMCAPDIS
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, Ph-
Ph and Ph-E
(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 U
r
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
Positive sequence resistance (0.10-1000.00) Ω/phase
Zero sequence reactance (0.01-9000.00) Ω/phase
Zero sequence resistance (0.01-3000.00) Ω/phase
Fault resistance, Ph-E (0.10-9000.00) Ω/loop
Fault resistance, Ph-Ph (0.10-3000.00) Ω/loop
Dynamic overreach <5% at 85 degrees measured
with CCVT’s and 0.5<SIR<30
-
Definite time delay Ph-Ph and
Ph-E operation
(0.000-60.000) s ±0.2% or ± 35 ms whichever is greater
Operate time 25 ms typically IEC 60255-121
Reset ratio 105% typically -
Reset time at 0.1 x Zreach to 2
x Zreach
Min. = 20 ms
Max. = 50 ms
-
M16024-1 v12
Table 42. Phase selection, quadrilateral characteristic with fixed angle FDPSPDIS
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 ±2.5% 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, phase-to-
earth faults, forward and
reverse
(1.00–9000.00) Ω/loop
Fault resistance, phase-to-
phase 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 -
Line differential protection RED670
1MRK 505 379-BEN N
Hitachi Power Grids 85
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