GE D90 Plus Instruction Manual page 377

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
PHASE SELECT BG......................................Asserted when a phase B to ground fault is detected.
PHASE SELECT CA ......................................Asserted when a phase C to A fault is detected.
PHASE SELECT CAG...................................Asserted when a phase C to A to ground fault is detected.
PHASE SELECT CG......................................Asserted when a phase C to ground fault is detected.
PHASE SELECT MULTI-P...........................Asserted when a multi-phase fault is detected.
PHASE SELECT SLG....................................Asserted when a single line to ground fault is detected.
PHASE SELECT VOID..................................Asserted when the fault type cannot be detected.
Phase time overcurrent operands
PHASE TOC1 DPO.......................................Asserted when at least one phase of the phase time
PHASE TOC1 DPO A...................................Asserted when phase A of the phase time overcurrent 1
PHASE TOC1 DPO B...................................Asserted when phase B of the phase time overcurrent 1
PHASE TOC1 DPO C...................................Asserted when phase C of the phase time overcurrent 1
PHASE TOC1 OP ..........................................Asserted when at least one phase of the phase time
PHASE TOC1 OP A ......................................Asserted when phase A of the phase time overcurrent 1
PHASE TOC1 OP B ......................................Asserted when phase B of the phase time overcurrent 1
PHASE TOC1 OP C......................................Asserted when phase C of the phase time overcurrent 1
PHASE TOC1 PKP........................................Asserted when at least one phase of the phase time
PHASE TOC1 PKP A....................................Asserted when phase A of the phase time overcurrent 1
PHASE TOC1 PKP B....................................Asserted when phase B of the phase time overcurrent 1
PHASE TOC1 PKP C....................................Asserted when phase C of the phase time overcurrent 1
PHASE TOC2 to 6 ........................................Same set of operands as shown above for the phase time
Phase undervoltage operands
PHASE UV1 DPO .........................................Asserted when at least one phase of the phase undervoltage 1
PHASE UV1 DPO A .....................................Asserted when phase A of the phase undervoltage 1 element
PHASE UV1 DPO B .....................................Asserted when phase B of the phase undervoltage 1 element
PHASE UV1 DPO C .....................................Asserted when phase C of the phase undervoltage 1 element
PHASE UV1 OP.............................................Asserted when at least one phase of the phase undervoltage 1
PHASE UV1 OP A.........................................Asserted when phase A of the phase undervoltage 1 element
PHASE UV1 OP B.........................................Asserted when phase B of the phase undervoltage 1 element
overcurrent 1 element drops out.
element drops out.
element drops out.
element drops out.
overcurrent 1 element operates.
element operates.
element operates.
element operates.
overcurrent 1 element picks up.
element picks up.
element picks up.
element picks up.
overcurrent elements 2 through 6.
element drops out.
drops out.
drops out.
drops out.
element operates.
operates.
operates.
PROTECTION FLEXLOGIC™
369