@thesis{thesis, author={FITHA NASIDA IQRA and Junaidi Andi}, title ={PENGUJIAN DISOLVED GAS ANALYSIS (DGA) UNTUK MENGETAHUI KUALITAS MINYAK RANSFORMATOR 150/22 KV 60 MVA DI GI RAJAPAKSI ULTG BEKASI}, year={2022}, url={http://156.67.221.169/5300/}, abstract={DGA stands for Dissolved Gas Analysis which is a test on transformer oil that can indicate a failure in the transformer, this test was carried out at GI Rajapaksi ULTG Bekasi using 2 transformers to determine if there was a failure in both transformers, the TDCG (Total Dissolved Combustible Gas) method was used. which indicates the condition of the transformer based on the gas content in the oil, in this method one of the transformers is in condition 2 which means the gas content has exceeded the normal limit so that my investigation was carried out quickly with more frequent and routine sampling of limits, then the Key Gas method is a method analysis which indicates a failure in the transformer with this method states that there is excessive heating of the cellulose (overheating cellulose) transformer with carbon monoxide CO2 above 50%, then the Duval's Triangle method indicates the presence of par tial discharge in the transformer with a value of 100% methane gas content (CH4).} }