This system offers an exhaustive discussion of protective maintenance, this includes inspections and also exams to make sure the reliability of a strength transformer. Many trials are usually carried out when the transformer is in service; others need to be carried out as soon as the transformer is offline. This specific training course details how and why each test in addition to assessment is carried out, the kind of computing machines used, then instructions with regards to expected values which usually could be tested. The training course concludes with the evaluation of genuine test information and exactly how this information is interpreted.