ABB REG650 - Technical Data; Generator Differential Protection GENPDIF; Identification

IEC05000301 V1 EN
Figure 48: Logic diagram for 1Ph High impedance differential protection
HZPDIF
6.3.8 Technical data
Table 43: HZPDIF technical data
Function
Range or value Accuracy
Operate voltage (20-400) V
I=U/R
± 1.0% of I
r
Reset ratio >95% -
Maximum continuous
power
U>Trip
2
/SeriesResistor ≤200 W
-
Operate time 10 ms typically at 0 to 10 x U
d
-
Reset time 100 ms typically at 10 to 0 x U
d
-
Critical impulse time 2 ms typically at 0 to 10 x U
d
-
6.4 Generator differential protection GENPDIF
6.4.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Generator differential protection GENPDIF
I
d
>
SYMBOL-NN V1 EN
87G
1MRK 502 048-UEN A Section 6
Differential protection
121
Technical manual