Reactor
REFPDIF
I3PW1CT1
I3P
IdN/I
IEC09000112-4.vsd
IEC09000112-4 V2 EN-US
Figure 43: Connection of restricted earth-fault, low impedance function REFPDIF for a
solidly earthed reactor
6.2.2.5
Multi-breaker applications
M13048-23 v9
Multi-breaker arrangements including ring, one and a half breaker, double breaker and mesh
corner arrangements have two sets of current transformers on the phase side. The restricted
earth-fault protection, low impedance function REFPDIF has inputs to allow two current inputs
from each side of the transformer. The second winding set is only applicable for
autotransformers.
A typical connection for a star-delta transformer is shown in figure
.
Section 6
1MRK 505 343-UEN B
Differential protection
112
Application manual
Содержание Relion 670 series
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