CHAPTER 6: SETPOINTS S4 CONTROLS
345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–91
Sensitive Ground Instantaneous
Overcurrent
SGnd IOC1 Trip PKP SGnd IOC1 Alrm PKP SGnd IOC2 Trip DPO
SGnd IOC1 Trip OP SGnd IOC1 Alrm OP SGnd IOC1 Block
SGnd IOC1 Trip DPO SGnd IOC1 Alrm DPO SGnd IOC2 Alrm DPO
SGnd IOC2 Trip PKP SGnd IOC2 Alrm PKP SGnd IOC2 Block
SGnd IOC2 Trip OP SGnd IOC2 Alrm OP
Sensitive Ground Timed
Overcurrent
SGnd TOC1 Trip PKP SGnd TOC1 Alrm PKP SGnd TOC2 Trip OP
SGnd TOC1 Trip OP SGnd TOC1 Alrm OP SGnd TOC2 Trip DPO
SGnd TOC1 Trip DPO SGnd TOC1 Alrm DPO SGnd TOC2 Alrm DPO
SGnd TOC1 Block SGnd TOC2 Alrm PKP SGnd TOC2 Block
SGnd TOC2 Trip PKP SGnd TOC2 Alrm OP
Thermal Overload Therm O/L Trip OP Therm Lvl Alrm OP Therm O/L Block
Therm O/L Trip DPO Therm Lvl Alrm DPO
Therm PhA Alrm OP Therm PhC Alrm OP Therm PhB Trip OP
Therm PhA Alrm DPO Therm PhC Alrm DPO Therm PhB Trip DPO
Therm PhB Alrm OP Therm PhA Trip OP Therm PhC Trip OP
Therm PhB Alrm DPO Therm PhA Trip DPO Therm PhC Trip DPO
Trip Counter BKRTrpCntrAlrm OP W2BKRTrpCntrAlrm OP
Trip Coil Monitoring R1 CoilMonAlrm PKP R2 CoilMonAlrm PKP R1 CoilMonAlrm DPO
R1 CoilMonAlrm OP R2 CoilMonAlrm OP R2 CoilMonAlrm DPO
Element Operands