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Welcome

Welcome. Jr.Instructor(Electrical). Sylhet Polytechnic Institute. HASAN MAHMOOD ARIF SARUARE. DATE: 21-05-2014. TIME: 40 MIN. . SUBJECT: AC-MACHINES - I 6 th semester Electrical TECHNOLOGY. Transformer Winding. todays Topic : theoritical concept of Transformer rewinding pROCESS.

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Welcome

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  1. Welcome

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

  3. DATE: 21-05-2014 TIME: 40 MIN. SUBJECT: AC-MACHINES -I6 th semester Electrical TECHNOLOGY

  4. Transformer Winding

  5. todays Topic: theoritical concept of Transformer rewindingpROCESS

  6. LEARNING OUTCOMES After completion of the session students can be able to 1. Select the required meterials for transformer rewinding 2 . Identify the high side and low side of transformer. 3. Select the required size of winding wire.

  7. REQUIRED METERIALS: • Super Enamel Cupper Wire • Letheriod Paper • Ampere Tube • Insulating Burnish • Ampere Cloth • Solder • Emery paper • Varnish etc.

  8. REQUIRED TOOLS • Combination pliers • Flat Screw driver • Longnose pliers • Electrician knife • Ballpin Hammer • Mallet • Soldering Iron • Forma • Winding Machine etc.

  9. 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

  10. 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?

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

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

  13. Thanks

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