Slope = 0.8
Slope = 1
Operation
area
I
MinOp
99000068.vsd
phase ref
|
å
I
| - | I |
phase ref
|
å
I
| + | I
|
IEC99000068 V1 EN-US
Figure 91: Operate characteristics
Due to the formulas for the axis compared, |SIphase | - |I ref | and |S
I phase | + | I ref | respectively, the slope can not be above 1.
8.1.7 Technical data
M12358-1 v10
Table 127: 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
8.2 Fuse failure supervision FUFSPVC
IP14556-1 v3
8.2.1 Identification
M14869-1 v4
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Fuse failure supervision FUFSPVC - -
Section 8 1MRK 505 384-UEN A
Secondary system supervision
206 Breaker protection REQ650 2.2 IEC
Technical manual
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