Technical Data - ABB RES670 Technical Manual

Section 13
Secondary system supervision
13.1.7
13.2
366
| åI
| - | I |
phase ref
I
MinOp
IEC99000068 V1 EN-US
Figure 128: Trip 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.

Technical data

Table 204: CCSSPVC(87) technical data
Function
Trip current
Reset ratio, Trip current
Block current
Reset ratio, Block current
Fuse failure supervision FUFSPVC
Slope = 1
Slope = 0.8
| åI
Range or value
(10-200)% of IBase
>90%
(20-500)% of IBase
>90% at (50-500)% of IBase
Phasor measurement unit RES670 2.2 ANSI
1MRK 511 408-UUS A
Operation
area
| + | I |
phase ref
99000068.vsd
Accuracy
±10.0% of I at I ≤ I
n n
±10.0% of I at I > I
n
±5.0% of I at I ≤ I
n n
±5.0% of I at I > I
n
Technical manual
M12358-1 v10
IP14556-1 v3