ABB RES670 Technical Manual page 358

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