Pengujian Pada Transfomator 3 Fasa 300 KVA Setelah Perbaikan Dengan Rewinding Milik PT. Freeport Indonesia Di PT. Mesindo Tekninesia

Abstract

Electricity is part of the human lifestyle consumed daily and is reflected in the use of maximum resources for his sport of consuming electricity. This examines the ambition for 1). Briefly explain about transformer restoration with the help of rewinding, 2). Describes the types and functions of electrical evaluation performed on a three-segment transformer after the recovery process 3). Presentation of requirements for testing 3-segment transformers, 4). Evaluation is carried out by trying and measuring the ratio of 3-segment transformers 5). Determine the feasibility and check the transformer after restoration. See the trial version of the transformer including rewind, insula-tion resistance, polarity index, TUM radio transformer (TTR), winding resistance, impedance/ short circuit, and excitation. This learning technique is completed with the help of interviews and observations. The transformer test results are 17.7 G?, 17.7 G?, and 31.3 G? insulation resistance, 1.53, 1.88, and 1.50 polarity indices, winding deviation measured using 1.4%, and a short circuit test of 2.563%. The results of the transformer test can be concluded to be suitable for use in elec-trical function under reasonable circumstances.