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Manufaturing transformer
- 1. MANUFACTURING OF POWER TRANSFORMERS AND MAINTENANCE PRESENTED BY: J.SUMAN EEE (Student)
- 2. CONTENTS 1. Introduction of KRK company 2. Introduction to transformer 3. Manufacturing process of transformer 4. Assembly 5. Maintenance
- 3. KRK COMPANY
- 4. KRK COMPANY • This company was established in the year 1978 for manufacturing power transformers. • KRK Company is to satisfy the customer needs by providing excellent service, present technology, meticulous planning and implementing cost effective technology.
- 5. INTRODUCTION OF TRANSFORMERS • Transformer is a static device, which transfers electrical power from one voltage level to another voltage level with out changing the frequency.
- 6. Raw materials,Core,Copper,Tank,Oil&Insulation etc.. Wrapping HV&LVCore building Winding HV &LV(coils) Core coil assembling Connections(brazing) Tank preparation fitting accessories Drying process Pre-tanking Oil filtration , tanking &oil filling painting dispatch TRANSFORMER MANUFACTURING PROCEDURE:
- 7. Manufacturing process of transformers PARTS OF TRANSFORMER: 1. Core 2. Winding 3. Bushings 4. Oil filling & Oil filtration 5. Conservator 6. Buchholz relay 7. Breather 8. Explosion vent
- 8. CORE: • The purpose of core is to provide a path of low reluctance for the magnetic flux. • Fully mitered & step lapped in corner joints Manufacturing process Parts of transformer:
- 9. Manufacturing process: Parts of transformer: Core:
- 10. Insulating of Coils Manufacturing process Parts of transformer
- 11. Manufacturing process Parts of transformer: COIL WINDING: • Conductor are either copper magnetic wire or continuously transposed conductor. • Winding type chosen according to voltage & application are: Cont. Disc, Helical, etc.
- 12. COIL WINDING: Manufacturing process Parts of transformer:
- 13. Manufacturing process Parts of transformer: WINDING PROCESS: • Windings are clamped using external or internal tie rods to provide additional support for axial forces.
- 14. Manufacturing process Parts of transformer: Winding assembly
- 15. Manufacturing process Parts of transformer: Dump the windings: • Dumping of LV and HV windings into the tank.
- 16. Manufacturing process Parts of transformer: Tap changers:
- 17. Manufacturing process Parts of transformer: BUSHINGS:
- 18. Manufacturing process Oil filling & oil filtration: • Transformer oil is usually a highly-refined mineral oil that is stable at high temperature and has excellent electrical insulating property.
- 20. Manufacturing process Parts of transformer: Conservator:
- 21. Manufacturing process Parts of transformer Buchholz relay: • The Buchholz relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment. • connected between the conservator and oil tank of a transformer.
- 22. Manufacturing process Parts of transformer: Buchholz relay
- 23. Manufacturing process Parts of transformer Breather:
- 24. Manufacturing process Parts of transformer Radiators :
- 25. Manufacturing process Parts of transformer Explosion vent :
- 26. ASSEMBLY: • Installation of set of winding, conservator, radiators, pumps, fans, etc.
- 27. FINAL ASSEMBLY
- 28. MAINTENANCE 1. Hourly wise 2. Daily wise 3. Weekly wise 4. Monthly wise 5. Yearly wise 6. 2 years 7. 5years
- 29. Conclusion Transformer is the of the major equipment in the power system , because even though we generate power without transformer we can not use directly it.