GE D90 Plus - Page 435

CHAPTER 7: PROTECTION PROTECTION FLEXLOGIC
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 425
PHASE TOC1 OP B ...................................... Asserted when phase B of the phase time overcurrent 1
element operates.
PHASE TOC1 OP C ...................................... Asserted when phase C of the phase time overcurrent 1
element operates.
PHASE TOC1 PKP........................................ Asserted when at least one phase of the phase time
overcurrent 1 element picks up.
PHASE TOC1 PKP A.................................... Asserted when phase A of the phase time overcurrent 1
element picks up.
PHASE TOC1 PKP B.................................... Asserted when phase B of the phase time overcurrent 1
element picks up.
PHASE TOC1 PKP C.................................... Asserted when phase C of the phase time overcurrent 1
element picks up.
PHASE TOC2 to 6 ........................................ Same set of operands as shown above for the phase time
overcurrent elements 2 through 6.
Phase undervoltage operands
PHASE UV1 DPO ......................................... Asserted when at least one phase of the phase undervoltage 1
element drops out.
PHASE UV1 DPO A ..................................... Asserted when phase A of the phase undervoltage 1 element
drops out.
PHASE UV1 DPO B ..................................... Asserted when phase B of the phase undervoltage 1 element
drops out.
PHASE UV1 DPO C ..................................... Asserted when phase C of the phase undervoltage 1 element
drops out.
PHASE UV1 OP............................................. Asserted when at least one phase of the phase undervoltage 1
element operates.
PHASE UV1 OP A......................................... Asserted when phase A of the phase undervoltage 1 element
operates.
PHASE UV1 OP B......................................... Asserted when phase B of the phase undervoltage 1 element
operates.
PHASE UV1 OP C......................................... Asserted when phase C of the phase undervoltage 1 element
operates.
PHASE UV1 PKP........................................... Asserted when at least one phase of the phase undervoltage 1
element picks up.
PHASE UV1 PKP A....................................... Asserted when phase A of the phase undervoltage 1 element
picks up.
PHASE UV1 PKP B....................................... Asserted when phase B of the phase undervoltage 1 element
picks up.
PHASE UV1 PKP C ...................................... Asserted when phase C of the phase undervoltage 1 element
picks up.
PHASE UV2.................................................... Same set of operands as shown above for the phase
undervoltage 2 element.
Permissive overreach transfer trip (POTT scheme) operands
POTT OP.......................................................... Asserted when the permissive over-reaching transfer trip
scheme operates.
POTT TRIP 3P................................................ Asserted when the permissive over-reaching transfer trip
scheme operates to trip all three phases.
POTT TRIP A................................................... Asserted when the permissive over-reaching transfer trip
scheme operates to trip phase A.
POTT TRIP B................................................... Asserted when the permissive over-reaching transfer trip
scheme operates to trip phase B.