GE D90 Plus Instruction Manual page 379

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
POWER SWING UN/BLOCK....................Asserted when the out-of-step tripping function operates.
Permissive underreach transfer trip (PUTT scheme) operands
PUTT OP..........................................................Asserted when power permissive under-reaching transfer trip
PUTT TRIP 3P ................................................Asserted when power permissive under-reaching transfer trip
PUTT TRIP A...................................................Asserted when power permissive under-reaching transfer trip
PUTT TRIP B...................................................Asserted when power permissive under-reaching transfer trip
PUTT TRIP C...................................................Asserted when power permissive under-reaching transfer trip
PUTT TX1........................................................Asserted when power permissive under-reaching transfer trip
PUTT TX2........................................................Asserted when power permissive under-reaching transfer trip
PUTT TX3........................................................Asserted when power permissive under-reaching transfer trip
PUTT TX4........................................................Asserted when power permissive under-reaching transfer trip
Setting group operands
SETTING GROUP ACT 1............................Asserted when setting group 1 is active.
SETTING GROUP ACT 2............................Asserted when setting group 2 is active.
SETTING GROUP ACT 3............................Asserted when setting group 3 is active.
SETTING GROUP ACT 4............................Asserted when setting group 4 is active.
SETTING GROUP ACT 5............................Asserted when setting group 5 is active.
SETTING GROUP ACT 6............................Asserted when setting group 6 is active.
Disturbance detector operands
SRC1 50DD OP.............................................Asserted when the disturbance detector for source 1 operates.
SRC2 50DD OP.............................................Asserted when the disturbance detector for source 2 operates.
SRC3 50DD OP.............................................Asserted when the disturbance detector for source 3 operates.
Voltage transformer fuse failure (VTFF) operands
SRC1 VTFF DPO...........................................Asserted when the VT fuse failure detector for source 1 drops
SRC1 VTFF OP..............................................Asserted when the VT fuse failure detector for source 1
SRC1 VTFF VOL LOSS................................Asserted when the VT fuse failure detector for source 1 loses
SRC2 to SRC3...............................................The set of operands shown above are available VT fuse failure
Trip output operands
TRIP 1-POLE..................................................Asserted when a single-pole trip-and-reclose operation is
TRIP 3-POLE..................................................Asserted upon a trip for all three breaker poles.
TRIP AR INIT 3-POLE..................................Asserted when a three-pole reclose is initiated.
TRIP FORCE 3-POLE...................................Asserted when a three-pole trip must be initiated.
TRIP PHASE A................................................Asserted upon a breaker pole A trip, initiate phase A breaker fail
scheme operates.
scheme operates to trip all three phases.
scheme operates to trip phase A.
scheme operates to trip phase B.
scheme operates to trip phase C.
scheme asserts transit bit number 1.
scheme asserts transit bit number 2.
scheme asserts transit bit number 3.
scheme asserts transit bit number 4.
out.
operates.
voltage signals (V is less than 15% and V
2
nominal).
elements for sources 2 through 3.
initiated.
and reclose.
PROTECTION FLEXLOGIC™
is less than 5% of
1
371