ABB REL650 Product Manual page 46

Line distance protection
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Line distance protection REL650 ANSI
Product version: 1.3
Table 24. Full-scheme distance protection, Mho characteristic ZQMPDIS (21)
Function
Number of zones with selectable
directions
Minimum operate current, phase-
to-phase and phase-to-earth
Positive sequence impedance
Reverse positive sequence
impedance
Impedance reach for phase-to-
phase elements
Angle for positive sequence
impedance, phase-to-phase
elements
Reverse reach of phase-to-phase
loop
Magnitude of ground return
compensation factor KN
Angle for ground compensation
factor KN
Dynamic overreach
Timers
Operate time
Reset ratio
Table 25. Phase selection with load encroachment, quadrilateral characteristic FDPSPDIS (21)
Function
Minimum operate current
Reactive reach, positive
sequence
Reactive reach, zero sequence,
forward and reverse
Fault resistance, phase-to-ground
faults, forward and reverse
Fault resistance, phase-to-phase
faults, forward and reverse
Load encroachment criteria:
Load resistance, forward and
reverse
Safety load impedance angle
46
Range or value
5 with selectable direction
(10–30)% of I
Base
(0.005–3000.000) W/phase
(0.005–3000.000) Ω/phase
(0.005–3000.000) Ω/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
30 ms typically
less than 105%
Range or value
(5-500)% of IBase
(0.50–3000.00) Ω/phase
(0.50 - 3000.00) Ω/loop
(1.00–9000.00) Ω/loop
(0.50–3000.00) Ω/loop
(1.00–3000.00) Ω/phase
(5-70) degrees
Accuracy
-
± 2.0% of I
n
± 5.0% static accuracy
Conditions:
Voltage range: (0.1-1.1) x V
n
Current range: (0.5-30) x I
n
Angle: 85 degrees
-
± 0.5% ± 10 ms
-
-
Accuracy
± 1.0% of I
n
± 2.0% static accuracy
Conditions:
Voltage range: (0.1-1.1) x V
n
Current range: (0.5-30) x I
n
Angle: at 0 degrees and 85 degrees
1MRK 506 337-BUS B
ABB

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