![ABB 650 series Technical Manual Download Page 278](http://html.mh-extra.com/html/abb/650-series/650-series_technical-manual_2503278.webp)
PU_ST1
PICKUP
OR
OR
PU_ST2
TRST2
TRST1
ALARM
TRIP
ANSI09000690-3-en.vsd
0
0-tAlarm
ANSI09000690 V3 EN
Figure 124:
Simplified logic diagram for the PICKUP, ALARM and TRIP signals for
NS2PTOC (46I2)
8.9.8
Technical data
Table 146:
NS2PTOC (46I2) technical data
Function
Range or value
Accuracy
Operate value, step 1 and
2, negative sequence
overcurrent
(3-500)% of
IBase
± 1.0% of I
n
at I < I
n
± 1.0% of I at I > I
n
Reset ratio, step 1 and 2
>95%
-
Operate time, pickup
30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, pickup
40 ms typically at 2 to 0 x I
set
-
Time characteristics
Definite or Inverse
-
Inverse time characteristic
step 1,
2
2
I t
K
=
K=1.0-99.0
± 3% or ± 40 ms
1 ≤ K ≤ 20
Reset time, inverse
characteristic step 1,
2
2
I t
K
=
K=0.01-20.00
± 10% or ± 50 ms
1 ≤ K ≤ 20
Maximum trip delay, step
1 IDMT
(0.00-6000.00) s
± 0.5% ± 25 ms
Minimum trip delay, step 1
IDMT
(0.000-60.000) s
± 0.5% ± 25 ms
Timers
(0.00-6000.00) s
± 0.5% ± 25 ms
Section 8
1MRK 502 048-UUS A
Current protection
272
Technical manual
Summary of Contents for 650 series
Page 1: ...Relion 650 series Generator protection REG650 ANSI Technical manual ...
Page 2: ......
Page 44: ...38 ...
Page 62: ...56 ...
Page 68: ...62 ...
Page 156: ...150 ...
Page 198: ...192 ...
Page 512: ...506 ...
Page 644: ...638 ...
Page 714: ...708 ...
Page 777: ...771 ...