Technical Data; Instantaneous Residual Overcurrent Protection Efpioc; Identification - ABB RET650 Technical Manual

Section 8
Current protection
8.2.9
8.3
8.3.1
152

Technical data

Table 78: OC4PTOC technical data
Function
Operate current
Reset ratio
Min. operating current
2nd harmonic blocking
Independent time delay
Minimum operate time for
inverse characteristics
Inverse characteristics, see
table 559, table 560 and table
561
Operate time, nondirectional
start function
Reset time, nondirectional start
function
Operate time, directional start
function
Reset time, directional start
function
Critical impulse time
Impulse margin time
1)
Note: Timing accuracy only valid when 2nd harmonic blocking is turned off
Instantaneous residual overcurrent protection
EFPIOC

Identification

Function description
Instantaneous residual overcurrent
protection
Setting range
lBase
(5-2500)% of
lBase
> 95% at (50–2500)% of
lBase
(5-10000)% of
(5–100)% of fundamental
(0.000-60.000) s
(0.000-60.000) s
15 curve types
25 ms typically at 0 to 2 x I
set
35 ms typically at 2 to 0 x I
set
50 ms typically at 0 to 2 x I
set
35 ms typically at 2 to 0 x I
set
10 ms typically at 0 to 2 x I
set
15 ms typically
IEC 61850 IEC 60617
identification identification
EFPIOC
IEF V1 EN
1MRK 504 135-UEN A
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% of I
r
± 0.5% ±25 ms
± 0.5% ±25 ms
1)
ANSI/IEEE C37.112
IEC 60255–151
±3% or ±40 ms
0.10 ≤ k ≤ 3.00
1.5 x I ≤ I ≤ 20 x I
set set
-
-
-
-
-
-
ANSI/IEEE C37.2
device number
50N
IN>>
Technical manual