Siemens SIPROTEC 7SJ62 Manual page 286

Multi-functional protective relay with local control

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2.17 Flexible Protection Functions

Figure 2-106 shows the logic diagram of a three-phase function. If the function operates on one phase or

without phase reference, phase selectivity and phase-specific indications are not relevant.

Figure 2-106

Logic diagram of the flexible protection functions

SIPROTEC, 7SJ62/64, Manual

C53000-G1140-C207-2, Release date 01.2008