Connection Examples For Phase And Cbct Measurement - Siemens Reyrolle 7SR45 Argus Device Manual

Appendix
A.3 Connection Examples for Phase and CBCT Measurement
A.3

Connection Examples for Phase and CBCT Measurement

Figure A-5 shows CT circuits connected to 1 A or 5 A of 7SR45 Argus relay. The CT and ground connections are
typical and measures the phase current and ground current of the primary CT only.
[dw_argus-relay_with_phs-CBCT-measurement-appl, 2, en_US]
Figure A-5
The application shows the use of 50/51/50N/51N/50LC/50G/51G/49 protection functions. The remote trip via
communication (through BO with auxiliary input present) and binary input is possible.
114
7SR45 Argus Relay with Phase and CBCT Measurement Application
Reyrolle, 7SR45, Device Manual
C53000-G7040-C101-2, Edition 09.2020