ABB REC670 Product Manual page 61

Bay control version 2.2
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Bay control REC670 2.2
Product version: 2.2.1
Table 36. Directional phase overcurrent protection, four steps OC4PTOC
Function
Operate current, step 1-4
Reset ratio
Minimum operate current, step 1-4
Relay characteristic angle (RCA)
Relay operating angle (ROA)
Second harmonic blocking
Independent time delay at 0 to 2 x I
1-4
Minimum operate time for inverse curves ,
step 1-4
Inverse time characteristics, see table 155,
table
156
and table
157
Operate time, start non-directional at 0 to 2 x
I
set
Reset time, start non-directional at 2 x I
Operate time, start non-directional at 0 to 10 x
I
set
Reset time, start non-directional at 10 x I
0
Critical impulse time
Impulse margin time
Table 37. Instantaneous residual overcurrent protection EFPIOC
Function
Operate current
Reset ratio
Operate time at 0 to 2 x I
set
Reset time at 2 x I
to 0
set
Critical impulse time
Operate time at 0 to 10 x I
set
Reset time at 10 x I
to 0
set
Critical impulse time
Dynamic overreach
ABB
Setting range
(5-2500)% of
> 95% at (50–2500)% of
(1-10000)% of
(40.0–65.0) degrees
(40.0–89.0) degrees
(5–100)% of fundamental
, step
(0.000-60.000) s
set
(0.000-60.000) s
16 curve types
Min. = 15 ms
Max. = 30 ms
to 0
Min. = 15 ms
set
Max. = 30 ms
Min. = 5 ms
Max. = 20 ms
to
Min. = 20 ms
set
Max. = 35 ms
10 ms typically at 0 to 2 x I
15 ms typically
Range or value
(5-2500)% of lBase
> 95% at (50–2500)% of lBase
Min. = 15 ms
Max. = 25 ms
Min. = 15 ms
Max. = 25 ms
10 ms typically at 0 to 2 x I
set
Min. = 5 ms
Max. = 15 ms
Min. = 25 ms
Max. = 35 ms
2 ms typically at 0 to 10 x I
set
< 5% at t = 100 ms
M12342-1 v20
Accuracy
lBase
±1.0% of I
±1.0% of I at I > I
lBase
-
lBase
±1.0% of I
±1.0% of I at I > I
±2.0 degrees
±2.0 degrees
±2.0% of I
±0.2% or ±35 ms whichever is greater
±0.2% or ±35 ms whichever is greater
See table 155, table
-
-
-
-
-
set
-
M12340-2 v9
Accuracy
±1.0% of I
at I ≤ I
r
r
±1.0% of I at I > I
r
-
-
-
-
-
-
-
-
1MRK 511 404-BEN A
at I ≤ I
r
r
r
at I ≤ I
r
r
r
r
156
and table
157
61

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