ABB Relion 630 Series, Technical Manual

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Name Type Values (Range) Unit Description
ISLND_PARALL BOOLEAN 1=Parallel
0=Island
- Island or parallel mode
status of external source
FLS_BLOCK BOOLEAN 0=FALSE
1=TRUE
- Fast load shed block from
power source
BLK_BYPASS BOOLEAN 0=FALSE
1=TRUE
- Block is bypassed
B_SET_CHANGE BOOLEAN 0=FALSE
1=TRUE
- One or many basic
setting change
INVAL_CRV BOOLEAN 0=FALSE
1=TRUE
- Invalid curve parameters
7.4.9 Technical data
Table 279: PSCSWI technical data
Characteristic Details Value
Operation accuracy At the frequency f = f
n
±1.5% of the set value or ±0.002
× I
n
Start time
1)2)
I
Fault
= 2 × set Start value Typical: 23 ms (±15 ms)
Reset time <45 ms
Reset ratio Typical 0.96
Retardation time <30 ms
Operate time accuracy in
definite time mode
±1.0% of the set value or ±20 ms
Operate time accuracy in
inverse time mode
±5.0% of the theoretical value or
±20 ms
3)
1) Current before fault = 0.0 × I
n
, f
n
= 50 Hz, fault current in one phase with nominal frequency injected
from random phase angle, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Maximum Start value = 2.5 × I
n
, Start value multiples in range of 1.5...20
7.5 Load busbar monitoring LDMMXU
7.5.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE
identification
Load busbar monitoring LDMMXU - LDMMXU
1MRS757256 F
Section 7
Power management functions
PML630/Compact Load-Shedding Solution 235
Technical Manual