GE D90 Plus - Page 230

220 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
GROUPED PROTECTION ELEMENTS CHAPTER 7: PROTECTION
Figure 193: Power swing detect scheme logic, sheet 2 of 3
Figure 194: Power swing detect scheme logic, sheet 3 of 3
Load encroachment
The load encroachment element responds to the positive-sequence voltage and current
and applies the characteristic shown.
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