GE D90 Plus Instruction Manual page 424

PROTECTION FLEXLOGIC™
414
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
TRIP PHASE B ...............................................Asserted upon a breaker pole B trip, initiate phase A breaker fail
TRIP PHASE C ...............................................Asserted upon a breaker pole C trip, initiate phase A breaker fail
out.
operates.
voltage signals (V is less than 15% and V
2
nominal).
elements for sources 2 through 3.
initiated.
and reclose.
and reclose.
and reclose.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION
is less than 5% of
1