TABLE OF CONTENTS
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM - INSTRUCTION MANUAL
GGIO1 status configuration................................................................................................................. 129
GGIO2 control configuration ............................................................................................................... 129
GGIO4 analog configuration ............................................................................................................... 130
GGIO5 control configuration ............................................................................................................... 132
IEC 61850 actual values........................................................................................................................ 135
FlexStates.................................................................................................................... 138
FlexState settings ..................................................................................................................................... 139
FlexState actual values.......................................................................................................................... 139
Real time clock........................................................................................................... 140
Serial port ................................................................................................................... 144
Teleprotection configuration .............................................................................................................. 157
Teleprotection channel tests............................................................................................................... 158
Teleprotection commands................................................................................................................... 158
Protection overview.................................................................................................. 167
Power system............................................................................................................. 169
Installation settings ................................................................................................................................. 169
AC input modules ..................................................................................................................................... 170
Power system frequency ...................................................................................................................... 175
About AC sources ..................................................................................................................................... 176
Line pickup................................................................................................................................................... 179
Distance elements ................................................................................................................................... 183
Current elements...................................................................................................................................... 226
Voltage elements...................................................................................................................................... 262
Breaker failure ........................................................................................................................................... 273
Control elements ....................................................................................................... 288
Pilot-aided schemes................................................................................................................................ 289
Setting group control.............................................................................................................................. 320
Trip output ................................................................................................................................................... 322
FlexMatrix..................................................................................................................................................... 327
VT fuse failure............................................................................................................................................. 330
Open pole detector.................................................................................................................................. 332
Autoreclose ................................................................................................................................................. 335
Underfrequency ........................................................................................................................................ 358
Overfrequency ........................................................................................................................................... 360
Breaker configuration ............................................................................................................................ 362
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