GE D90 Plus Instruction Manual page 415

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
DCUB TRIP A .................................................Asserted when the directional comparison unblocking scheme
DCUB TRIP B .................................................Asserted when the directional comparison unblocking scheme
DCUB TRIP C .................................................Asserted when the directional comparison unblocking scheme
DCUB TRIP 3P...............................................Asserted when the directional comparison unblocking scheme
DCUB TX1.......................................................Asserted when the directional comparison unblocking scheme
DCUB TX2.......................................................Asserted when the directional comparison unblocking scheme
DCUB TX3.......................................................Asserted when the directional comparison unblocking scheme
DCUB TX4.......................................................Asserted when the directional comparison unblocking scheme
Directional comparison blocking scheme operands
DIR BLOCK OP..............................................Asserted when the directional blocking scheme operates.
DIR BLOCK TRIP A.......................................Asserted when the directional blocking scheme operates to trip
DIR BLOCK TRIP B.......................................Asserted when the directional blocking scheme operates to trip
DIR BLOCK TRIP C.......................................Asserted when the directional blocking scheme operates to trip
DIR BLOCK TRIP 3P ....................................Asserted when the directional blocking scheme operates to trip
DIR BLOCK TX INIT .....................................Asserted when the directional blocking signal is initiated
DIR BLOCK TX1 STOP................................Asserted when the directional blocking scheme de-asserts
DIR BLOCK TX2 STOP................................Asserted when the directional blocking scheme de-asserts
DIR BLOCK TX3 STOP................................Asserted when the directional blocking scheme de-asserts
DIR BLOCK TX4 STOP................................Asserted when the directional blocking scheme de-asserts
Direct underreaching transfer trip operands
DUTT OP .........................................................Asserted when the direct underreaching transfer trip scheme
DUTT TRIP A..................................................Asserted when the direct underreaching transfer trip scheme
DUTT TRIP B..................................................Asserted when the direct underreaching transfer trip scheme
DUTT TRIP C..................................................Asserted when the direct underreaching transfer trip scheme
DUTT TRIP 3P................................................Asserted when the direct underreaching transfer trip scheme
DUTT TX1 .......................................................Asserted when the direct underreaching transfer trip scheme
DUTT TX2 .......................................................Asserted when the direct underreaching transfer trip scheme
operates to trip phase A.
operates to trip phase B.
operates to trip phase C.
operates to trip all three phases.
asserts transmit bit 1.
asserts transmit bit 2.
asserts transmit bit 3.
asserts transmit bit 4.
phase A.
phase B.
phase C.
all three phases.
transmit bit 1.
transmit bit 2.
transmit bit 3.
transmit bit 4.
operates.
operates to trip phase A.
operates to trip phase B.
operates to trip phase C.
operates to trip all three phases.
asserts transmit bit 1.
asserts transmit bit 2.
PROTECTION FLEXLOGIC™
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