GROUPED PROTECTION ELEMENTS
Load encroachment
218
Figure 192: Power swing detect scheme logic, sheet 2 of 3
Figure 193: Power swing detect scheme logic, sheet 3 of 3
The load encroachment element responds to the positive-sequence voltage and current
and applies the characteristic shown below.
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION