Abstract:
This report contains the work done during the internship period which was held in National Tube
Limited. under the unit of transformer, power factor improvement & protection device. The report
shows an overview of the tasks done during the period of internship in details and explain what is
done and learnt during our internship period in the National Tubes Limited. Not only the working
principle of transformer, distribution transformer, circuit breaker, magnetic contractor, relay are
discussed in the report, but also the rating of the equipment used in national tubes limited are given.
Also the power factor improvement technique and calculation used in national tubes limited are
included in this report.
