The effect of tap changer coking and pitting on frequency response analysis measurement of transformer

• Main Authors: Al-Ameri, Salem Mgammal, Allawy Alawady, Ahmed, Mohd Yousof, Mohd Fairouz, Saufi Kamarudin, Muhammad, Illias, Hazlee Azil
• Format: Conference or Workshop Item
• Published: 2021
• Subjects: TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://eprints.um.edu.my/35951/; https://www.scopus.com/inward/record.uri?eid=2-s2.0-85112012709&doi=10.1109%2fICPADM49635.2021.9493956&partnerID=40&md5=6fb6876e842de2c23baf787e8191ad40

The tap changer in a power transformer plays a vital function in regulating the voltage. It has been reported that the tap changer contributes to a large percentage of failures in the power transformer. This paper investigates a faulty tap changer using the frequency response analysis (FRA) test. Al...