GUID-6C2EF52A-8166-4A23-9861-38931682AA7D v4
Table 41. High speed 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 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
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 degrees
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
-
1MRK 502 068-BEN D
Generator protection REG670 2.1 IEC
Product version: 2.1
ABB
57
