ABB Relion REG670, Technical Manual

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Slope = 0.8
Slope = 1
Operation
area
I
MinOp
99000068.vsd
phase ref
|
å
I
| - | I |
phase ref
|
å
I
| + | I |
IEC99000068 V1 EN
Figure 287: Operate characteristics
Due to the formulas for the axis compared, |
S
Iphase | - |I ref | and |
S
I
phase | + | I ref | respectively, the slope can not be above 2.
13.1.7 Technical data
Table 348: CCSSPVCtechnical data
Function Range or value Accuracy
Operate current (10-200)% of IBase ±10.0% of I
r
at I ≤ I
r
±10.0% of I at I > I
r
Reset ratio, Operate current >90%
Block current (20-500)% of IBase ±5.0% of I
r
at I ≤ I
r
±5.0% of I at I > I
r
Reset ratio, Block current >90% at (50-500)% of IBase
13.2 Fuse failure supervision FUFSPVC
13.2.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Fuse failure supervision FUFSPVC - -
Section 13
1MRK502052-UEN B
Secondary system supervision
606
Technical manual