ABB Relion RES670, Техническое руководство, Страница: 358 / 934

Function Range or value Accuracy
Pickup time at 0 to 2 x I
set
Min. = 15 ms
Max. = 30 ms
-
Reset time at 2 x I
set
to 0 Min. = 15 ms
Max. = 30 ms
-
Pickup time at 0 to 10 x I
set
Min. = 5 ms
Max. = 20 ms
-
Reset time at 10 x I
set
to 0 Min. = 20 ms
Max. = 35 ms
-
Undercurrent:
Pickup time at 2 x I
set
to 0 Min. = 15 ms
Max. = 30 ms
-
Reset time at 0 to 2 x I
set
Min. = 15 ms
Max. = 30 ms
-
Overcurrent:
Inverse time characteristics, see table
687 , 688 and table 689
16 curve types See table 687 , 688
and table 689
Overcurrent:
Minimum operate time for inverse
curves, step 1 - 2
(0.00 - 6000.00) s ±0.2% or ±35 ms
whichever is greater
Voltage level where voltage memory
takes over
(0.0 - 5.0)% of VBase ±0.5% of V
n
Pickup overvoltage, step 1 - 2 (2.0 - 200.0)% of VBase ±0.5% of V
n
at V ≤ V
n
±0.5% of V at V > V
n
Pickup undervoltage, step 1 - 2 (2.0 - 150.0)% of VBase ±0.5% of V
n
at V ≤ V
n
±0.5% of V at V > V
n
Independent time delay, overvoltage at
0.8 x V
set
to 1.2 x V
set
, step 1 - 2
(0.00 - 6000.00) s ±0.2% or ±35 ms
whichever is greater
Independent time delay, undervoltage at
1.2 x V
set
to 0.8 x V
set
, step 1 - 2
(0.00 - 6000.00) s ±0.2% or ±35 ms
whichever is greater
Overvoltage:
Pickup time at 0.8 x V
set
to 1.2 x V
set
Min. = 15 ms
Max. = 30 ms
-
Reset time at 1.2 x V
set
to 0.8 x V
set
Min. = 15 ms
Max. = 30 ms
-
Undervoltage:
Pickup time at 1.2 x V
set
to 0.8 x V
set
Min. = 15 ms
Max. = 30 ms
-
Reset time at 1.2 x V
set
to 0.8 x V
set
Min. = 15 ms
Max. = 30 ms
-
Overvoltage:
Inverse time characteristics, see table
695
4 curve types See table 695
Undervoltage:
Table continues on next page
Section 11
1MRK 511 408-UUS A
Multipurpose protection
352 Phasor measurement unit RES670 2.2 ANSI
Technical manual