CHAPTER 7: PROTECTION PROTECTION FLEXLOGIC
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 419
DUTT TX3 .......................................................
Asserted when the direct underreaching transfer trip scheme
asserts transmit bit 3.
DUTT TX4 .......................................................
Asserted when the direct underreaching transfer trip scheme
asserts transmit bit 4.
FlexMatrix operands
FLXMAT 1 DPO .............................................
Asserted when FlexMatrix 1 drops out.
FLXMAT 1 OP ................................................
Asserted when FlexMatrix 1 operates.
FLXMAT 1 PKP ..............................................
Asserted when FlexMatrix 1 picks up.
FLXMAT 2 to 8 ..............................................
The operands listed above are also available for FlexMatrix
elements 2 through 8.
FlexElement operands
FXE 1 DPO......................................................
Asserted when protection FlexElement 1 drops out.
FXE 1 OP.........................................................
Asserted when protection FlexElement 1 operates.
FXE 1 PKP.......................................................
Asserted when protection FlexElement 1 picks up.
FXE 2 to 16 ....................................................
The operands listed above are also available for protection
FlexElements 2 through 16.
Ground distance operands
GND DIST Z1 DPO A ..................................
Asserted when ground distance zone 1 phase A drops out.
GND DIST Z1 DPO B ..................................
Asserted when ground distance zone 1 phase B drops out.
GND DIST Z1 DPO C ..................................
Asserted when ground distance zone 1 phase C drops out.
GND DIST Z1 OP..........................................
Asserted when ground distance zone 1 operates.
GND DIST Z1 OP A......................................
Asserted when ground distance zone 1 phase A operates.
GND DIST Z1 OP B......................................
Asserted when ground distance zone 1 phase B operates.
GND DIST Z1 OP C......................................
Asserted when ground distance zone 1 phase C operates.
GND DIST Z1 PKP........................................
Asserted when ground distance zone 1 picks up.
GND DIST Z1 PKP A....................................
Asserted when ground distance zone 1 phase A picks up.
GND DIST Z1 PKP B....................................
Asserted when ground distance zone 1 phase B picks up.
GND DIST Z1 PKP C....................................
Asserted when ground distance zone 1 phase C picks up.
GND DIST Z1 SUPN IN ..............................
Asserted when ground distance zone 1 neutral is supervising.
GND DIST Z2 DIR SUPN............................
Asserted when ground distance zone 2 directional is
supervising. This operand is only available for zone 2.
GND DIST Z2 to Z5.....................................
The operands listed above are also available for ground
distance elements 2 through 5.
Ground instantaneous overcurrent operands
GROUND IOC1 DPO...................................
Asserted when ground instantaneous overcurrent 1 drops out.
GROUND IOC1 OP......................................
Asserted when ground instantaneous overcurrent 1 operates.
GROUND IOC1 PKP....................................
Asserted when ground instantaneous overcurrent 1 picks up.
GROUND IOC2 to 12 .................................
The operands listed above are also available for ground
instantaneous overcurrent elements 2 through 12.
Ground time overcurrent operands
GROUND TOC1 DPO..................................
Asserted when ground time overcurrent 1 drops out.
GROUND TOC1 OP.....................................
Asserted when ground time overcurrent 1 operates.
GROUND TOC1 PKP...................................
Asserted when ground time overcurrent 1 picks up.
GROUND TOC2 to 6...................................
The operands listed above are also available for ground time
overcurrent elements 2 through 6.
Hybrid permissive overreaching transfer trip (hybrid POTT) operands
HYBRID POTT OP ........................................
Asserted when the hybrid permissive overreaching transfer trip
scheme operates.