GE MiCOM P40 Technical Manual page 30

Table of Figures
Figure 196: CB Manual Close System Check Logic Diagram (Modules 51 & 52)
Figure 197: Circuit Breaker Fail logic - part 1
Figure 198: Circuit Breaker Fail logic - part 2
Figure 199: Circuit Breaker Fail logic - part 3
Figure 200: Circuit Breaker Fail logic - part 4
Figure 201: CB Fail timing
Figure 202: Phase Overcurrent Protection logic diagram
Figure 203: Negative Phase Sequence Overcurrent Protection logic diagram
Figure 204: IDG Characteristic
Figure 205: Earth Fault Protection logic diagram
Figure 206: EPATR B characteristic shown for TMS = 1.0
Figure 207: Sensitive Earth Fault Protection logic diagram
Figure 208: Current distribution in an insulated system with C phase fault
Figure 209: Phasor diagrams for insulated system with C phase fault
Figure 210: Positioning of core balance current transformers
Figure 211: High Impedance REF principle
Figure 212: High Impedance REF Connection
Figure 213: Thermal overload protection logic diagram
Figure 214: Spreadsheet calculation for dual time constant thermal characteristic
Figure 215: Dual time constant thermal characteristic
Figure 216: Broken conductor logic
Figure 217: Undervoltage - single and three phase tripping mode (single stage)
Figure 218: Overvoltage - single and three phase tripping mode (single stage)
Figure 219: Residual Overvoltage logic
Figure 220: Residual voltage for a solidly earthed system
Figure 221: Residual voltage for an impedance earthed system
Figure 222: Underfrequency logic (single stage)
Figure 223: Overfrequency logic (single stage)
Figure 224: Rate of change of frequency logic (single stage)
Figure 225: Fault recorder stop conditions
Figure 226: Broken Current Accumulator logic diagram
Figure 227: CB Trip Counter logic diagram
Figure 228: Operating Time Accumulator
Figure 229: Excessive Fault Frequency logic diagram
Figure 230: Reset Lockout Alarm logic diagram
Figure 231: CB1 Condition Monitoring logic diagram
Figure 232: CB2 Condition Monitoring logic diagram
Figure 233: Reset Circuit Breaker Lockout Logic Diagram (Modules 57 & 58)
Figure 234: CB State logic diagram (Module 1)
Figure 235: Hotkey menu navigation
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