Section 5: Supervision Functions; Ct Supervision (Ct50); Figure 5-1 Logic Diagram: Ct Supervision - Siemens 7SR23 DAD Manual

Section 5: Supervision Functions

5.1

CT Supervision (CT50)

The CT supervision feature is phase segregated, outputs are provided for individual phases. Individual phases of
the differential protections 87/50 can be blocked.
Operation of the CT Supervision elements can be inhibited from:
Inhibit CT50
Zone Switchout
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A binary or virtual input.
Figure 5-1 Logic Diagram: CT Supervision
Chapter 1) 7SR23 DAD Description Of Operation
Chapter 1 Page 26 of 36