TABLE OF CONTENTS
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM - INSTRUCTION MANUAL
Distance supervision............................................................................................................................... 629
Distance characteristics........................................................................................................................ 630
Memory polarization............................................................................................................................... 636
Distance elements analysis................................................................................................................. 637
Dynamic reach control .......................................................................................................................... 650
Single-pole tripping................................................................................................... 652
Phase selection.......................................................................................................................................... 656
Permissive echo signaling .................................................................................................................... 664
Cross-country fault example .............................................................................................................. 666
Warranty..................................................................................................................... 669
Revision history ......................................................................................................... 669
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