TABLE OF CONTENTS
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM - INSTRUCTION MANUAL
Overview of the equipment manager.................................................................... 493
Breaker management............................................................................................... 494
Circuit breaker arcing............................................................................................................................. 494
Battery monitor ......................................................................................................... 497
Indications and wiring............................................................................................................................ 497
Battery monitor settings ....................................................................................................................... 498
Equipment manager operands.......................................................................................................... 503
Sequence of events recorder .................................................................................. 505
Front panel operation............................................................................................................................. 505
Fault report................................................................................................................. 506
Front panel indications .......................................................................................................................... 506
Fault report operation............................................................................................................................ 507
Fault type determination ...................................................................................................................... 508
Fault location.............................................................................................................................................. 508
Fault report settings................................................................................................................................ 509
Transient recorder .................................................................................................... 512
Front panel indications .......................................................................................................................... 514
Transient recorder settings.................................................................................................................. 515
Disturbance recorder ............................................................................................... 520
Front panel indications .......................................................................................................................... 522
Metering source......................................................................................................... 533
Phasor measurement unit ....................................................................................... 533
Data logger................................................................................................................. 556
Metered values .......................................................................................................... 560
Phase current metering......................................................................................................................... 564
Ground current metering...................................................................................................................... 566
Phase voltage metering ........................................................................................................................ 566
Auxiliary voltage metering ................................................................................................................... 567
Power metering......................................................................................................................................... 568
Energy metering ....................................................................................................................................... 569
Frequency metering................................................................................................................................ 570
Tracking frequency.................................................................................................................................. 570
Clearing metered values....................................................................................................................... 571
vii