Course Details
Transformer
- Introduction to transformer
- Functions of transformers
- Transformer Construction
- Tank , Core, Coils, Types and Ratings
- Bushings, Tap Changers
- Factory Testing
- Dry, Oil and Liquid Filled Types
Operation
- Theory of Operation, Vector and Connection Diagrams
- Important Electrical Relationships & Formulas
- Gas Relays , Fans and Pumps
- Gauges , Tap Changer Controls
Failure Causes
- Detailed analysis of several case histories
- Lightening
- Oil Decay
- Component Failures
- Internal Faults
- External Faults
Erection and Commissioning guidelines