Technical Data - ABB RES670 Technical Manual

1MRK 511 408-UUS A
8.1.8
Phasor measurement unit RES670 2.2 ANSI
Technical manual
restraint feature is active, the OC4PTOC 51_67 function output signal ST2NDHRM
will be set to the logical value one.
BLOCK
Extract second
I
OP
harmonic current
component
Extract
fundamental
current component
IEC13000014 V2 EN-US
Figure 56: Second harmonic blocking

Technical data

Table 98: OC4PTOC (51/67) technical data
Function
Trip current, step 1-4
Reset ratio
Minimum operate current, step 1-4
Relay characteristic angle (RCA)
Relay operating angle (ROA)
Second harmonic blocking
Independent time delay at 0 to 2 x I
1-4
Minimum trip time for inverse curves , step
1-4
Inverse time characteristics, see table 687,
table 688 and table 689
Trip time, pickup non-directional at 0 to 2 x
I
set
Reset time, pickup non-directional at 2 x I
to 0
Table continues on next page
a
a>b
0.07*IBase
b
a
a>b
b
a
a>b
b
X
2ndHarmStab
Setting range
lBase
(5-2500)% of
> 95% at (50–2500)% of
(1-10000)% of lBase
(40.0–65.0) degrees
(40.0–89.0) degrees
(5–100)% of fundamental
, step (0.000-60.000) s
set
(0.000-60.000) s
16 curve types
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
set
Max. = 30 ms
Section 8
Current protection
AND
2ndH_BLOCK_Int
IEC13000014-2-en.vsd
M12342-1 v20
Accuracy
±1.0% of I at I ≤ I
n n
±1.0% of I at I > I
n
lBase
-
±1.0% of I at I ≤ I
n n
±1.0% of I at I > I
n
±2.0 degrees
±2.0 degrees
±2.0% of I
n
±0.2% or ±35 ms
whichever is greater
±0.2% or ±35 ms
whichever is greater
See table 687,
table 688 and table
689
-
-
187