Troubleshooting Methods, Oil Analysis and Power Transformer Tests for Repair and Maintenance Purposes

Because of the contents of the transformer tank being closed and concealed, signs and symptoms should be used to understand the internal defects of the transformer, including gases formed inside the transformer oil. This article first introduces the disadvantages and maintenance of the transformer. Then the potential disadvantages of distribution transformer and its solutions and transformer troubleshooting methods are described which include troubleshooting by gas analyzer using gas chromatograph and troubleshooting through various periodic tests. Subsequently, the topics of Transformer Appraisal, Troubleshooting and Monitoring Transformers, Planning for Maintenance and Transformer Maintenance Maintenance, Oil and Sample Analyzers and Transformer Tests for Maintenance and Troubleshooting Purposes Including Bushing Test, Analysis Test Reciprocal frequency response, sonic and ultrasonic troubleshooting, vibration analysis and core insulation resistance are described. Infrared thermography is then described which includes the tank, radiators and cooling system, bushings and insulators and pulse charge changers. The conclusion is expressed at the end.

Keywords:

Transformer , Trans Oil , Thermography , Ultrasonic , Troubleshooting