Siemens SIPROTEC 4 7SD80 Manual page 51

[lo-pvl-senden-20110530, 1, en_US]
Figure 2-6
The received pickup and blocking information is compared with the own differential protection information
and element-specific pickup indications are created.
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
Phase comparison protection, sending the differential protection information to the opposite
end
2.2 Phase Comparison Protection and Ground Differential Protection
Functions
51