Analisis Karakteristik Fenomena Pre-Breakdown Voltage Berbasis Pengujian pada Media Isolasi Minyak

Main Authors: Negara, I Made Yulistya, Fahmi, Daniar, Asfani, Dimas Anton, Cahyaningrum, Dwi Krisna
Format: Article info application/pdf eJournal
Bahasa: eng
Terbitan: Universitas Udayana , 2018
Subjects:
Online Access: https://ojs.unud.ac.id/index.php/JTE/article/view/30633
https://ojs.unud.ac.id/index.php/JTE/article/view/30633/22048
Daftar Isi:
  • Pre-breakdown voltage is a phenomenon of dielectric breakdown affecting insulation’s performance. The faster pre-breakdown voltage of insulation, the more significant its dielectric degradation. In this paper, pre-breakdown voltage in oil insulation was investigated by using DC high voltage in laboratory scale. Under testing, the streamer development was recorded by using a high-resolution camera. The measured current was synchronized with an image that was picked up during the oil insulation testing. By this experiment, the characteristics of the current in phenomenon pre-breakdown voltage at oil insulation was studied. The results showed that the measured current of pre-breakdown phenomenon in oil insulation under 28 kV to 30 kV excitation voltage is in a range 100 mA - 150 mA.