ABB Relion 670 Series Product Manual page 77

Bay control REC670
Version 2.2
Table 45. Breaker failure protection CCRBRF
Function
Operate phase current
Reset ratio, phase current
Operate residual current
Reset ratio, residual current
Phase current level for blocking of contact
function
Reset ratio
Operate time for current detection
Reset time for current detection
Time delay for retrip at 0 to 2 x I
Time delay for backup trip at 0 to 2 x I
Time delay for backup trip at multi-phase start
at 0 to 2 x I
set
Additional time delay for a second backup trip
at 0 to 2 x I
set
Time delay for alarm for faulty circuit breaker
Minimum trip pulse duration
* Valid for product version 2.2.3 or later
Table 46. Stub protection STBPTOC
Function
Operating current
Reset ratio
Independent time delay at 0 to 2 x I
Operate time, start at 0 to 2 x I
Reset time, start at 2 x I
set
Critical impulse time
Impulse margin time
Table 47. Pole discordance protection CCPDSC
Function
Operate current
Independent time delay between trip
condition and trip signal
Hitachi Power Grids
Range or value
(5-200)% of
> 95%
(2-200)% of
> 95%
(5-200)% of
> 95%
10 ms typically
10 ms maximum *
(0.000-60.000) s
set
(0.000-60.000) s
set
(0.000-60.000) s
(0.000-60.000) s
(0.000-60.000) s
(0.010-60.000) s
Range or value
(5-2500)% of
> 95% at (50-2500)% of
(0.000-60.000) s
set
Min. = 10 ms
set
Max. = 20 ms
to 0 Min. = 10 ms
Max. = 20 ms
10 ms typically at 0 to 2 x I
15 ms typically
Range or value
(0–100)% of
(0.000-60.000) s
© Copyright 2017 Hitachi Power Grids. All rights reserved
M12353-1 v15
Accuracy
lBase
±1.0% of I
±1.0% of I at I > I
-
lBase
±1.0% of I
±1.0% of I at I > I
-
lBase
±1.0% of I
±1.0% of I at I > I
-
-
-
±0.2% or ±15 ms whichever is greater
±0.2% or ±15 ms whichever is greater
±0.2% or ±20 ms whichever is greater
±0.2% or ±20 ms whichever is greater
±0.2% or ±15 ms whichever is greater
±0.2% or ±5 ms whichever is greater
M12350-1 v12
Accuracy
IBase
±1.0% of I
±1.0% of I at I > I
IBase
-
±0.2% or ±30 ms whichever is greater
-
-
-
set
-
M13279-1 v10
Accuracy
IBase ±1.0% of I
±0.2% or ± 30 ms whichever is greater
1MRK 511 404-BEN N
at I £ I
r r
r
at I £ I
r r
r
at I £ I
r r
r
at I ≤ I
r r
r
r
77