ABB Relion 670 Series RES670, Technical Manual

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8.3.8 Technical data
Table 113: NS4PTOC (46I2) technical data
Function Range or value Accuracy
Trip value, step 1 - 4 (1-2500)% of
lBase
±1.0% of I
n
at I £ I
n
±1.0% of I at I > I
n
Reset ratio > 95% at (10-2500)% of IBase -
Independent time delay at 0 to 2
x I
set
, step 1 - 4
(0.000-60.000) s ±0.2% or ±35 ms whichever is
greater
Minimum operate time for
inverse curves, step 1 - 4
(0.000 - 60.000) s ±0.2% or ±35 ms whichever is
greater
Inverse time characteristics,
see table 692 , table 693 and
table 694
16 curve types See table 692 , table 693 and table
694
Minimum trip current, step 1 - 4 (1.00 - 10000.00)% of
IBase
±1.0% of I
n
at I ≤ I
n
±1.0% of I at I > I
n
Relay characteristic angle
(RCA)
(-180 to 180) degrees
± 2.0 degrees
Trip current for directional
release
(1–100)% of
IBase
For RCA ±60 degrees:
±2.5% of I
n
at I ≤ I
n
±2.5% of I at I > I
n
Minimum polarizing voltage (1–100)% of VBase ±0.5% of V
n
Minimum polarizing current (2-100)% of
IBase
±1.0% of I
n
Real part of negative sequence
source impedance used for
current polarization
(0.50-1000.00)
W
/phase -
Imaginary part of negative
sequence source impedance
used for current polarization
(0.50–3000.00) W /phase
-
Trip time, pickup non-
directional at 0 to 2 x I
set
Min. = 15 ms
Max. = 30 ms
-
Reset time, pickup non-
directional at 2 to 0 x I
set
Min. = 15 ms
Max. = 30 ms
-
Trip time, pickup non-
directional at 0 to 10 x I
set
Min. = 5 ms
Max. = 20 ms
-
Reset time, pickup non-
directional at 10 to 0 x I
set
Min. = 20 ms
Max. = 35 ms
-
Critical impulse time 10 ms typically at 0 to 2 x I
set
-
Impulse margin time 15 ms typically -
Transient overreach <10% at τ = 100 ms -
Section 8
1MRK 511 365-UUS A
Current protection
226 Phasor measurement unit RES670 2.1 ANSI
Technical manual