Siemens SIPROTEC 7SJ62 - Connection Example for High-Impedance Ground Fault Differential Protection; Connection Examples for RTD-Box

Appendix
A.3 Connection Examples
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
610
A.3.4 Connection example for high-impedance ground fault differential protection
Figure A-55 High-impedance differential protection for a grounded transformer winding
(showing the partial connection for the high-impedance differential protection)
A.3.5 Connection Examples for RTD-Box
Figure A-56 Simplex operation with one RTD-Box, above: optical design (1 FO);
below: design with RS 485
1) for 7SJ64 port D
2) for 7SJ64 optionally port C or port D
Figure A-57 Half-duplex operation with one RTD-Box, above: optical design (2 FOs);
below: design with RS 485
1) for 7SJ64 port D
2) for 7SJ64 optionally port C or port D
www . ElectricalPartManuals . com