GE D90 Plus, Instruction Manual

Page: 434 / 694

424 D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
PROTECTION FLEXLOGIC™ CHAPTER 7: PROTECTION
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.