Functions
2.2 Phase Comparison Protection and Ground Differential Protection
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
55
The pickup signals created locally, signs of idyn and istat and the blocking information are sent to the device
at the opposite end.
Figure 2-6 Phase comparison protection, sending the differential protection information to the opposite
end
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