Odd harmonics and third to fifth harmonic ratios of leakage currents as diagnostic tools to study the ageing of glass insulators

• Main Authors: Umar, Nouruddeen Bashir, Ahmad, Hussein
• Format: Article
• Published: IEEE Dielectrics and Electrical Insulation Society 2010
• Subjects: TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://eprints.utm.my/id/eprint/26537/; http://dx.doi.org/10.1109/TDEI.2010.5492255
• Institution: Universiti Teknologi Malaysia

This paper reports an investigation into the leakage current harmonic components of 45 units of glass insulator samples. The insulator units comprise 5 groups of insulators: new insulators and naturally field-aged insulators with different ageing periods->30, 20, 15, and <10 years from a 132 k...