Specifications

7SR242 Duobias Applications Guide
5.4.1 Trip Circuit Supervision Connections.........................................................................46
5.4.2 Close Circuit Supervision Connections......................................................................48
Section 6: Application Considerations and Examples.....................................................................49
6.1 The Effects of An In Zone Earthing Transformer....................................................................49
6.2 Protection of Star/Star Transformer With Tertiary ..................................................................51
Winding...........................................................................................................................................51
6.3 Transformer with Primary Connections Crossed on Both Windings.......................................52
6.4 Transformer with Primary Connections Crossed on One .......................................................54
Winding...........................................................................................................................................54
6.5 Protection of Auto Transformers .............................................................................................55
6.6 Reactor and Connections Protection ......................................................................................56
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