Full-Scheme Distance Protection, Mho Characteristic - ABB RED670 Product Manual

Line differential protection RED670 2.1 IEC
Product version: 2.1
Table 35. Full-scheme distance protection, Mho characteristic ZMHPDIS
Function
Number of zones, Ph-E
Minimum operate current
Positive sequence impedance,
Ph-E loop
Positive sequence impedance
angle, Ph-E loop
Reverse reach, Ph-E loop
(Magnitude)
Magnitude of earth return
compensation factor KN
Angle for earth compensation
factor KN
Dynamic overreach
Definite time delay Ph-Ph and Ph-
E operation
Operate time
Reset ratio
Reset time at 0.5 to 1.5 x Zreach
Table 36. Full-scheme distance protection, quadrilateral for earth faults ZMMPDIS
Function
Number of zones
Minimum operate current
Positive sequence reactance
Positive sequence resistance
Zero sequence reactance
Zero sequence resistance
Fault resistance, Ph-E
Dynamic overreach
Definite time delay Ph-Ph and Ph-
E operation
Operate time
Reset ratio
Reset time at 0.1 to 2 x Zreach
ABB
Range or value
Max 5 with selectable direction
(10–30)% of IBase
(0.005–3000.000) W/phase
(10–90) degrees
(0.005–3000.000) Ω/phase
(0.00–3.00)
(-180–180) degrees
<5% at 85 degrees measured
with CVT's and 0.5<SIR<30
(0.000-60.000) s
22 ms typically
105% typically
Min. = 30 ms
Max. = 45 ms
Range or value
Max 5 with selectable direction
IBase
(10-30)% of
(0.50-3000.00) W/phase
(0.10-1000.00) Ω/phase
(0.50-9000.00) Ω/phase
(0.50-3000.00) Ω/phase
(1.00-9000.00) W/loop
<5% at 85 degrees measured with
CCVT's and 0.5<SIR<30
(0.000-60.000) s
25 ms typically
105% typically
Min. = 20 ms
Max. = 35 ms
Accuracy
-
-
±2.0% static accuracy
Conditions:
Voltage range: (0.1-1.1) x U
r
Current range: (0.5-30) x I
r
Angle: 85 degrees
-
±0.2% or ±60 ms whichever is greater
IEC 60255-121
-
-
Accuracy
-
-
±2.0% static accuracy
±2.0 degrees static angular accuracy
Conditions:
Voltage range: (0.1-1.1) x U
Current range: (0.5-30) x I
r
Angle: at 0 degrees and 85 degrees
-
±0.2% or ±40 ms whichever is greater
IEC 60255-121
-
-
1MRK 505 346-BEN -
r
61