Application of Synthetic Analysis Method for Electrical and Thermal Degradation of Polymer Insulator by Surface Discharge

초록

POLYMER INSULATORS ARE USED WIDELY IN THE FIELD OF HIGH VOLTAGE INSULATION TO SEPARATE FOR SAFETY OR SUPPORT ONE LIKE OVERHEAD POWER LINE. BUT IT MAY HAVE BREAKDOWN BY TRACKING PATH MADE FROM CONTINUOUS SURFACE DISCHARGE. THIS PAPER HAS INVESTIGATED SYNTHETICALLY BOTH THE CHARACTERISTICS OF ELECTRICAL AGING BY PRECISION CT AND THE THERMAL AGING BY THERMOGRAPHY METHOD. ELECTRICAL AGING WAS ANALYZED INTO TIME-FREQUENCY REGION AND THERMAL AGING BY IMAGE PROCESSING METHOD. THIS SYNTHETIC METHOD MAY BE AN APPROPRIATE ONE TO EVALUATE THE SURFACE DEGRADATION OF POLYMER INSULATOR