GE G30 Instruction Manual page 303

5 SETTINGS 5.6 GROUPED ELEMENTS
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Phase-Phase Voltage ÷ VT Nominal Phase-phase Voltage
818784A4.CDR
Figure 5–58: PHASE TIME OVERCURRENT VOLTAGE RESTRAINT CHARACTERISTIC
5
Figure 5–59: PHASE TIME OVERCURRENT 1 SCHEME LOGIC
GE Multilin G30 Generator Protection System 5-163