3. HASAN MAHMOOD ARIF SARUARE Jr.Instructor(Electrical) Sylhet Polytechnic Institute

4. DATE: 21-05-2014TIME: 40 MIN.

5. Transformer Winding

9. 1.Combination pliers 2.Flat Screw driver 3.Longnose pliers 4.Electrician knife 5.Ballpin Hammer 6.Mallet 7.Soldering Iron 8.Forma 9.Winding Machine etc. REQUIRED TOOLS

10. Procedure 1.Measure KVA 2)Determine Primery &Secondery Voltage 3) Determine Primery &Secondery current 4) ) DeterminePrimery & Secondery no of Turn 5) Measure Turn Ratio 6)Collect Super Enamel wire 7)Winding Primery & Secondery Side

11. Question & Answer Session 1. What are the tools used for transformer winding ? 2. In which side have more turns ? 3. In which side have less number of turns ? 4. What are the materials are required in transformer winding ? 5. Why insulation is needed?

12. HOME WORK Draw a Transformer With Leveling HighSide & Low Side

13. In the next class we will complete the practical Of Transformer Rewinding

14. Thanks