Technical Data - ABB Relion 670 Series Technical Reference Manual

1MRK 505 208-UEN B
Name Values (Range)
HarmRestrain3
ResetTypeCrv4
tReset4
tPCrv4
tACrv4
tBCrv4
tCCrv4
tPRCrv4
tTRCrv4
tCRCrv4
HarmRestrain4
6.2.6
Technical reference manual
Unit
Disabled -
Enabled
Instantaneous -
IEC Reset
ANSI reset
0.000 - 60.000 s
0.005 - 3.000 -
0.005 - 200.000 -
0.00 - 20.00 -
0.1 - 10.0 -
0.005 - 3.000 -
0.005 - 100.000 -
0.1 - 10.0 -
Disabled -
Enabled

Technical data

Table 99: PH4SPTOC technical data
Function
Operate current
Reset ratio
Second harmonic blocking
Independent time delay
Minimum operate time
Inverse characteristics, see
table 483 and table 484
Operate time, start function
Reset time, start function
Critical impulse time
Impulse margin time
Step Default
- Enabled
- Instantaneous
0.001 0.020
0.001 1.000
0.001 13.500
0.01 0.00
0.1 1.0
0.001 0.500
0.001 13.500
0.1 1.0
- Enabled
Setting range
(1-2500)% of l
base
> 95%
(5–100)% of fundamental
(0.000-60.000) s
(0.000-60.000) s
19 curve types
25 ms typically at 0 to 2 x I
25 ms typically at 2 to 0 x I
10 ms typically at 0 to 2 x I
15 ms typically
Section 6
Current protection
Description
Enable block of step3 from harmonic
restrain
Selection of reset curve type for step 4
Reset time delay used in IEC Definite
Time curve step 4
Parameter P for customer programmable
curve for step 4
Parameter A for customer programmable
curve for step 4
Parameter B for customer programmable
curve for step 4
Parameter C for customer
programmable curve for step 4
Parameter PR for customer
programmable curve for step 4
Parameter TR for customer
programmable curve for step 4
Parameter CR for customer
programmable curve for step 4
Enable block of Step 4 from harmonic
restrain
Accuracy
± 1.0% of I at I £ I
r
± 1.0% of I at I > I
-
± 2.0% of I
r
± 0.5% ± 10 ms
± 0.5% ± 10 ms
See table 483 and table
-
set
-
set
-
set
-
r
r
484
169