CHAPTER 6: SETPOINTS S4 CONTROLS
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–89
Ground Timed Overcurrent Gnd TOC1 Trip PKP Gnd TOC1 Alarm PKP Gnd TOC2 Trip DPO
Gnd TOC1 Trip OP Gnd TOC1 Alarm OP Gnd TOC2 Block
Gnd TOC1 Trip DPO Gnd TOC1 Alarm DPO Gnd TOC2 Alarm OP
Gnd TOC2 Trip PKP Gnd TOC1 Block Gnd TOC2 Alarm DPO
Gnd TOC2 Trip OP Gnd TOC2 Alarm PKP
Instantaneous Differential Inst Diff Trip PKP Inst Diff Alrm PKP Inst Diff Block
Inst Diff Trip OP Inst Diff Alrm OP
Inst Diff Trip DPO Inst Diff Alrm DPO
Lockout Lockout OP L/O Rst Closed OP
Lockout DPO Lockout Block
Logic Elements LE 1..16 Alarm DPO LE 1..16 PKP LE 1..16 DPO
LE 1..16 Alarm OP LE 1..16 Trip DPO LE 1..16 OP
LE 1..16 Alarm PKP LE 1..16 Trip OP LE 1..16 Trip PKP
Negative Sequence
Instantaneous Overcurrent
NSeq IOC Trp PKP NSeq IOC Alrm OP NSeq IOC 2 Trp OP
NSeq IOC Trp OP NSeq IOC Alrm DPO NSeq IOC 2 Trp DPO
NSeq IOC Trp DPO NSeq IOC Block NSeq IOC 2 AlrmDPO
NSeq IOC Alrm PKP NSeq IOC 2 AlrmPKP NSeq IOC 2 Block
NSeq IOC 2 Trp PKP NSeq IOC 2 Alrm OP
Negative Sequence Timed
Overcurrent
NSeq TOC1 Trip PKP NSeq TOC1 Alrm OP NSeq TOC2 Trip OP
NSeq TOC1 Trip OP NSeq TOC1 Alrm DPO NSeq TOC2 Trip DPO
NSeq TOC1 Trip DPO NSeq TOC1 Blk NSeq TOC2 Alrm DPO
NSeq TOC1 Alrm PKP NSeq TOC2 Alrm PKP NSeq TOC2 Blk
NSeq TOC2 Trip PKP NSeq TOC2 Alrm OP
Neutral Instantaneous
Overcurrent
Ntrl IOC1 Trip PKP Ntrl IOC1 Alrm PKP Ntrl IOC2 Trip DPO
Ntrl IOC1 Trip OP Ntrl IOC1 Alrm OP Ntrl IOC2 Block
Ntrl IOC1 Trip DPO Ntrl IOC1 Alrm DPO Ntrl IOC2 Alrm OP
Ntrl IOC2 Trip PKP Ntrl IOC1 Block Ntrl IOC2 Alrm DPO
Ntrl IOC2 Trip OP Ntrl IOC2 Alrm PKP
Neutral Timed Overcurrent Ntrl TOC1 Trip PKP Ntrl TOC1 Alrm OP Ntrl TOC2 Trip OP
Ntrl TOC1 Trip OP Ntrl TOC1 Alrm DPO Ntrl TOC2 Trip DPO
Ntrl TOC1 Trip DPO Ntrl TOC1 Block Ntrl TOC2 Alrm DPO
Ntrl TOC1 Alrm PKP Ntrl TOC2 Alrm PKP Ntrl TOC2 Block
Ntrl TOC2 Trip PKP Ntrl TOC2 Alrm OP
Percent Differential Pcnt Diff Trip PKP Pcnt Diff Alrm PKP Pcnt Diff Block
Pcnt Diff Trip OP Pcnt Diff Alrm OP
Pcnt Diff Trip DPO Pcnt Diff Alrm DPO
Ph Dif A Alarm PKP Ph Dif C Alarm PKP Ph Diff B Trip PKP
Ph Dif A Alarm OP Ph Dif C Alarm OP Ph Diff B Trip OP
Ph Dif A Alarm DPO Ph Dif C Alarm DPO Ph Diff B Trip DPO
Ph Dif B Alarm PKP Ph Diff A Trip PKP Ph Diff C Trip PKP
Ph Dif B Alarm OP Ph Diff A Trip OP Ph Diff C Trip OP
Ph Dif B Alarm DPO Ph Diff A Trip DPO Ph Diff C Trip DPO
Element Operands
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