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Line distance protection REL670
Version 2.2
Table 67. Overcurrent protection with binary release BRPTOC
Function
Operating current
Reset ratio
Independent time delay at 0 to 2 x I
Operate time, start at 0 to 1.2 x I
Reset time, start at 1.2 x I
set
Operate time, start at 0 to 2 x I
Reset time, start at 2 x I
to 0
set
Operate time, start at 0 to 5 x I
Reset time, start at 5 x I
to 0
set
Hitachi Energy
GUID-754FFD93-04C7-4129-B658-32F17F272211 v4
Range or value
(5-2500)% of IBase
> 95% at (25-2500)% of IBase
(0.000-60.000) s
set
DFT:
set
Min.= 15 ms
Max. = 30 ms
Peak to peak:
Min.= 10 ms
Max. =25 ms
Peak:
Min.= 5 ms
Max. = 20 ms
to 0
< 60 ms
DFT:
set
Min.= 10 ms
Max. = 25 ms
Peak to peak:
Min.= 5 ms
Max. =20 ms
Peak:
Min.= 5 ms
Max. = 15 ms
< 60 ms
DFT:
set
Min.= 5 ms
Max. = 20 ms
Peak to peak:
Min.= 5 ms
Max. =15 ms
Peak:
Min.= 5 ms
Max. = 10 ms
< 60 ms
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1MRK 506 372-BEN Q
Accuracy
DFT:
± 1.0% of I
at I ≤ I
r
r
± 1.0% of I at I > I
r
Peak and Peak to peak:
± 2.5% of I
at I ≤ I
r
r
± 2.5% of I at I > I
r
-
DFT:
±0.2% or ±30 ms whichever is greater
Peak to peak:
±0.2% or ±25 ms whichever is greater
Peak:
±0.2% or ±20 ms whichever is greater
-
-
-
-
-
-
99
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