Technical Data - ABB REL650 series Technical Manual

Section 7
Current protection
7.3.9
7.4
7.4.1
204

Technical data

Table 89: OC4PTOC (51/67) 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 656, table 657 and table
658
Operate time, nondirectional
pickup function
Reset time, pickup function
Operate time, directional pickup
function
Reset time, directional pickup
function
Critical impulse time
Impulse margin time
1)
Note: Timing accuracy only valid when 2nd harmonic blocking is turned off
Four step phase overcurrent protection phase
segregated output OC4SPTOC (51/67)
Identification
Function description IEC 61850 identification
Four step phase OC4SPTOC
overcurrent protection,
phase segregated
output
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 60617 identification
ID-2147.VSD V1 EN
1MRK 506 335-UUS A
Accuracy
± 1.0% of I at I ≤ I
n n
± 1.0% of I at I > I
n
-
± 1.0% of I at I ≤ I
n n
±1.0% of I at I > I
n
± 2.0% of I
n
± 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
51/67
Technical manual