Technical Data - ABB RED650 Technical Manual

1MRK 505 394-UEN A
7.1.8
Line differential protection RED650 2.2 IEC
Technical manual

Technical data

Table 48: ZMFPDIS technical data
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
Reset ratio
Directional blinders
Resistance determining the load
impedance area - forward
Angle determining the load
impedance area
Definite time delay to trip, Ph-E
and Ph-Ph operation
Operate time
Reset time at 0.1 to 2 x Zreach
Impedance protection
Range or value Accuracy
3 selectable -
directions, 3 fixed
directions
(5-6000)% of IBase ±1.0% of I
(0.01 - 3000.00) Pseudo
ohm/p continuous ramp:
±2.0% of set value
(0.00 - 1000.00)
Conditions:
ohm/p
Voltage range:
(0.1-1.1) x U
(0.01 - 9000.00)
Current range:
ohm/p
(0.5-30) x I
(0.00 - 3000.00)
Angle: At 0
ohm/p
degrees and 85
degrees
(0.01 -9000.00) ohm/l
IEC 60255-121
points A,B,C,D,E
< 5% at 85 degrees -
measured with CVTs
and 0.5 < SIR < 30,
IEC 60255-121
105% typically -
Forward: -15 – 120 Pseudo continuous ramp:
degrees ±2.0 degrees, IEC 60255-121
Reverse: 165 – -60
degrees
(0.01 - 5000.00) Pseudo
ohm/p continuous ramp:
±2.0% of set value
Conditions:
Tested at ArgLd =
30 degrees
5 - 70 degrees Pseudo continuous ramp:
±2.0 degrees
Conditions:
Tested at RLdFw = 20 ohm/p
(0.000-60.000) s ±0.2% of set value or ±35 ms whichever
is greater
24 ms typically, IEC -
60255-121
Min. = 20 ms -
Max. = 35 ms
Section 7
GUID-6C2EF52A-8166-4A23-9861-38931682AA7D v7
r
Ramp of shots:
±2.0% of set value
r
Conditions:
IEC 60255-121
r
point B
Ramp of shots:
±5.0% of set value
Conditions:
Tested at ArgLd =
30 degrees
145