GE D90 Plus Instruction Manual page 670

SINGLE-POLE TRIPPING
660
Remote data
Bit pattern Remote determination of
fault type
RX1 RX2
1 0 AG, BC, or BCG
1 1 CG, AB, ABG, 3P, or
unrecognized
1 0 AG, BC, or BCG
0 1 BG, CA, or CAG
1 1 CG, AB, ABG, 3P, or
unrecognized
1 0 AG, BC, or BCG
0 1 BG, CA, or CAG
Table 38: Blocking scheme trip table for two-bit channels
Remote data
Bit pattern Remote determination of
fault type
RX1 RX2
0 1 AG, BC, or BCG
1 0 BG, CA, or CAG
0 0 CG, AB, ABG, 3P, or
unrecognized
1 0 BG, CA, or CAG
0 0 CG, AB, ABG, 3P, or
unrecognized
0 1 AG, BC, or BCG
0 0 CG, AB, ABG, 3P, or
unrecognized
0 1 AG, BC, or BCG
1 0 BG, CA, or CAG
0 0 CG, AB, ABG, 3P, or
unrecognized
0 1 AG, BC, or BCG
1 0 BG, CA, or CAG
Table 39: Unblocking scheme trip table for two-bit channels
Remote data
Bit pattern Remote determination of
fault type
RX LO RX LO
1 G1 2 G2
1 1 0 0 AG, BC, BCG
0 1 0 0 AG, BC, BCG
0 0 1 1 BG, CA, CAG
0 0 0 1 BG, CA, CAG
1 1 1 1 CG, AB, ABG, 3P,
unrecognized
0 1 1 1 CG, AB, ABG, 3P,
unrecognized
1 1 0 1 CG, AB, ABG, 3P,
unrecognized
0 1 0 1 CG, AB, ABG, 3P,
unrecognized
Local data
Local determination of fault
type
BG
CG, BC, BCG, CA, or CAG
CG
CG
AB, ABG, 3P, or unrecognized TRIP 3-POLE
BC, BCG, or unrecognized
CA, CAG, or unrecognized
Local data
Local determination of fault
type
AG, AB, ABG, CA, CAG, or 3P
AG
AG
BG, AB, ABG, BC, BCG, or 3P
BG
BG
CG, BC, BCG, CA, or CAG
CG
CG
AB, ABG, 3P, or unrecognized DIR BLOCK TRIP 3P
BC, BCG, or unrecognized
CA, CAG, or unrecognized
Local data
Local determination of fault
type
AG, AB, ABG CA, CAG, 3P
AG, AB, ABG CA, CAG, 3P
AG
AG
AG
AG
AG
AG
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 15: THEORY OF OPERATION
Trip output
TRIP PHASE B
TRIP PHASE C
TRIP PHASE C
TRIP PHASE C
TRIP 3-POLE
TRIP 3-POLE
Trip output
DIR BLOCK TRIP A
DIR BLOCK TRIP A
DIR BLOCK TRIP A
DIR BLOCK TRIP B
DIR BLOCK TRIP B
DIR BLOCK TRIP B
DIR BLOCK TRIP C
DIR BLOCK TRIP C
DIR BLOCK TRIP C
DIR BLOCK TRIP 3P
DIR BLOCK TRIP 3P
Trip output
DCUB TRIP A
DCUB TRIP A
DCUB TRIP A
DCUB TRIP A
DCUB TRIP A
DCUB TRIP A
DCUB TRIP A
DCUB TRIP A