ABB ret650 - Reactor Winding, Solidly Earthed

IEC09000111-4-EN.vsd
Auto
-
transformer
REFPDIF
I3PW1CT1
I3P
IdN/I
I3PW2CT1
HV (W1)
LV (W2)
IEC09000111-4-EN V2 EN-US
Figure 36: Connection of restricted earth fault, low impedance function
REFPDIF for an autotransformer, solidly earthed
6.2.2.4 Reactor winding, solidly earthed
M13048-18 v10
Reactors can be protected with restricted earth-fault protection, low impedance
function REFPDIF. The connection of REFPDIF for this application is shown in
figure 37.
Section 6 1MRK 504 169-UEN A
Differential protection
96 Transformer protection RET650 2.2 IEC
Application manual