IEC05000301 V1 EN
Figure 49:
Logic diagram for 1Ph High impedance differential protection
HZPDIF
6.3.8
Technical data
Table 48:
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
-
Section 6
1MRK 504 135-UEN A
Differential protection
122
Technical manual
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