ABB Relion REG670, Technical Manual

Page: 448 / 1298

8.12.8 Technical data
Table 234: NS2PTOC technical data
Function Range or value Accuracy
Operate current, step 1 - 2 (3-500)% of
IBase
±1.0% of I
r
at I ≤ I
r
±1.0% of I at I > I
r
Reset ratio >95% -
Operate time, start at 0 to 2 x I
set
Min. = 15 ms
Max. = 30 ms
-
Reset time, start at 2 to 0 x I
set
Min. = 15 ms
Max. = 30 ms
-
Operate time, start at 0 to 10 x I
set
Min. = 5 ms
Max. = 20 ms
-
Reset time, start at 10 to 0 x I
set
Min. = 20 ms
Max. = 35 ms
-
Time characteristics Definite or Inverse -
Inverse time characteristic, step 1 - 2
2
2
I t K
=
K=1.0-99.0 ±2.0% or ±40 ms whichever is
greater
Reset time, inverse characteristic,
step 1 - 2
2
2
I t K
=
Reset Multiplier = 0.01-20.00 ±5.0% or ±40 ms whichever is
greater
Minimum operate time for inverse
time characteristic, step 1 - 2
(0.000-60.000) s ±0.2% or ±35 ms whichever is
greater
Maximum trip delay at 0.5 to 2 x I
set
,
step 1 - 2
(0.00-6000.00) s ±0.2% or ±35 ms whichever is
greater
Independent time delay at 0.5 to 2 x
I
set
, step 1 - 2
(0.00-6000.00) s ±0.2% or ±35 ms whichever is
greater
Independent time delay for Alarm at
0.5 to 2 x I
set
(0.00-6000.00) s ±0.2% or ±35 ms whichever is
greater
8.13 Accidental energizing protection for synchronous
generator AEGPVOC
8.13.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Accidental energizing protection for
synchronous generator
AEGPVOC U<I> 50AE
Section 8
1MRK502052-UEN B
Current protection
442
Technical manual