Transformer testing course, in this course we will learn about transformer testing. This comprehensive course covers essential techniques and methodologies for testing transformers, crucial for ensuring their reliability and efficiency in power systems. Starting with the basics, we will explore the fundamental principles of transformer operation and the importance of regular testing. The course will delve into various testing methods, including insulation resistance testing, transformer turns ratio (TTR) testing, and winding resistance measurement. We will also cover advanced techniques such as Sweep Frequency Response Analysis (SFRA), power factor testing, and thermal imaging. Practical demonstrations will illustrate how to conduct these tests accurately and interpret the results to diagnose potential issues. Additionally, we will examine transformer oil testing and analysis to assess the condition of insulating oil and detect any contaminants. Safety considerations and best practices for performing transformer tests will be emphasized to ensure safe and effective procedures. By the end of the course, participants will have a thorough understanding of transformer testing methods, their applications, and how to maintain the health and performance of transformers in various electrical systems. Whether you are a beginner or an experienced professional, this course will equip you with the knowledge and skills needed to excel in transformer testing.