GE MiCOM P40 Agile Technical Manual page 28

Table of Figures
Figure 39: CT Compensation
Figure 40: The need for zero-sequence current filtering
Figure 41: Magnetising inrush phenomenon
Figure 42: Typical overflux current waveform
Figure 43: Phase Current Differential Protection logic for feeders with in-zone transformers
Figure 44: Second Harmonic Blocking logic
Figure 45: Fifth Harmonic Blocking logic
Figure 46: Permissive Intertripping example
Figure 47: Stub Bus protection
Figure 48: Typical two-terminal plain feeder circuit
Figure 49: Typical three-terminal plain feeder circuit
Figure 50: System Impedance Ratio
Figure 51: Directional mho element construction
Figure 52: Offset Mho characteristic
Figure 53: Directional Mho element construction - impedance domain
Figure 54: Offset Mho characteristics - impedance domain
Figure 55: Offset mho characteristics - voltage domain
Figure 56: Simplified forward fault
Figure 57: Mho expansion - forward fault
Figure 58: Simplified Reverse Fault
Figure 59: Mho contraction - reverse fault
Figure 60: Simplified quadrilateral characteristics
Figure 61: General Quadrilateral Characteristic Limits
Figure 62: Directional Quadrilateral Characteristic
Figure 63: Quadrilateral Characteristic featuring 2 directional forward zones and 1 offset zone
Figure 64: Five-sided polygon formed by Quadrilateral characteristic with Directional-Line
intersection of Reverse Impedance Reach Line
Figure 65: Impedance Reach line in Z1 plane
Figure 66: Impedance Reach line in ZLP plane
Figure 67: General characteristic in ZLP plane
Figure 68: Phase relations between I2 and Iph for leading and lagging polarizing currents
Figure 69: General characteristic in Z1 plane
Figure 70: Simplified characteristic in Z1 plane
Figure 71: Impedance Reach line construction
Figure 72: Reverse impedance reach line construction
Figure 73: Resistive reach of phase elements
Figure 74: Resistive Reach line construction
Figure 75: Reverse resistive reach line construction
Figure 76: Phase Fault Quadrilateral characteristic summary
Figure 77: Phase to phase current changes for C phase-to-ground (CN) fault
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