| Title |
Analysis of the Leakage Impulse Current in Faulty Insulators for Detection of Incipient Failures |
| Authors |
김창종(Kim, Chang-Jong) ; 이흥재(Lee, Heung-Jae) ; 신정훈(Sin, Jeong-Hun) |
| Keywords |
Insulator ; incipient fault ; phase time ; elliptic time base ; crest factor |
| Abstract |
Leakage impulse current of the contaminated insulators by using experiment data were studied. The impulse current in phase-time relationship was analyzed on line post insulators. Also, frequency components and crest factor of the leakage current were investigated to provide a scheme for an early detection of insulator incipient failure. The study shows that the phase-time characteristic is non-stationary and random and, non-harmonic component and crest factor can be promising parameters for detecting insulator leakage currents. |