Connection Example For High-Impedance Ground Fault Differential Protection; Connection Examples For Rtd-Box - Siemens siprotec SJ62 User Manual

A Appendix
A.3.4

Connection example for high-impedance ground fault differential protection

A.3.5

Connection Examples for RTD-Box

625
Figure A-87 High-impedance differential protection for a grounded transformer winding
(showing the partial connection for the high-impedance differential protection)
Figure A-88 Simplex operation with one RTD-Box, above: optical design (1 FO); below:
design with RS 485
Figure A-89 Half-duplex operation with one RTD-Box, above: optical design (2 FOs); below:
design with RS 485
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015