(C) 2006, SUCCESS by DESIGN Surge Values at Each Test Stator surged to fault Indicates decrease in dielectric strength following each test. Applied Surge.

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Presentation transcript:

(C) 2006, SUCCESS by DESIGN Surge Values at Each Test Stator surged to fault Indicates decrease in dielectric strength following each test. Applied Surge Voltage Applied Surge Test

(C) 2006, SUCCESS by DESIGN MCA of Stator During Experiment Impedance Inductance888 Phase Angle83 I/F Impedance21 39 Inductance887 Phase Angle7776 I/F Test without Rotor Test with Rotor Before Start Note: The large impedance difference Is a doubling of applied test frequency That appears when a defect is present.

(C) 2006, SUCCESS by DESIGN Comparison Impedance21 40 Inductance887 Phase Angle77 I/F Impedance21 39 Inductance887 Phase Angle77 76 I/F Test after Surge #6 Test following last Surge