Instantaneous Residual Overcurrent Protection Efpioc - ABB RED670 Product Manual

Line differential protection RED670 2.1 IEC
Product version: 2.1
Table 49. Four-step phase overcurrent protection 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 , step 1 - 4
set
Minimum operate time for inverse
curves , step 1 - 4
Inverse time characteristics, see
table 171, table 172 and table
Operate time, start non-directional
at 0 to 2 x I
set
Reset time, start non-directional at
2 to 0 x I
set
Operate time, start non-directional
at 0 to 10 x I
set
Reset time, start non-directional at
10 to 0 x I
set
Critical impulse time
Impulse margin time
Table 50. Instantaneous residual overcurrent protection EFPIOC
Function
Operate current
Reset ratio
Operate time at 0 to 2 x I
set
Reset time at 2 to 0 x I
set
Critical impulse time
Operate time at 0 to 10 x I
set
Reset time at 10 to 0 x I
set
Critical impulse time
Dynamic overreach
68
Setting range
(5-2500)% of lBase
> 95% at (50–2500)% of
lBase
(1-10000)% of
(40.0–65.0) degrees
(40.0–89.0) degrees
(5–100)% of fundamental
(0.000-60.000) s
(0.000-60.000) s
16 curve types
173
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
Max. = 30 ms
Min. = 5 ms
Max. = 20 ms
Min. = 20 ms
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
Min. = 5 ms
Max. = 15 ms
Min. = 25 ms
Max. = 35 ms
2 ms typically at 0 to 10 x I
< 5% at t = 100 ms
lBase
set
set
set
1MRK 505 346-BEN -
Accuracy
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
-
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
±2.0 degrees
±2.0 degrees
±2.0% of I
r
±0.2 % or ±35 ms whichever is greater
±0.2 % or ±35 ms whichever is greater
See table 171, table 172 and table
-
-
-
-
-
-
Accuracy
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
-
-
-
-
-
-
-
-
173
ABB