PM Engineer Interview Questions and Answers

The procedure of testing a transformer involves several steps to ensure its proper functioning.

• Visual inspection of the transformer for any physical damage or defects

• Measurement of the transformer's winding resistance and insulation resistance

• Testing the transformer's voltage ratio and polarity

• Checking the transformer's oil level and quality

• Performing a load test to determine the transformer's efficiency and voltage regulation

• Conducting a dielectric test to ensure the transfo...read more