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# Transformer

Student um IUT
10. Aug 2017
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### Transformer

1.  Unit- 01 Date:15-02-2014. Lesson Title : Transformer Course ID:EEE-6763 Lesson No:01 Teacher : Md: Masud Rana
2.   After finishing this class student will be able to understand the transformer and its working principle. General Objective:
3.  At the end of this class students will be able to: Define the transformer Classification of the transformer Describe a practical transformer Describe a transformer is constructed and its work Explain a step-up transformer work Explain a step-down transformer work Specific Objective
4.  Transformer is a static device which transforms electrical energy from one circuit to another circuit without any direct electrical connection with the help of Electromagnetic induction between two windings. Transformer
5.  Parts of transformer
6.  This transformer has two winding primary and secondary. Primary winding connected with AC source and secondary winding connected with load . Working principle of transformer
7.  When we connect AC source in primary side circulating current create magnetic flux. This flux goes through this secondary coil and induced mutual voltage according to Faraday’s electromagnetic induction laws . Then current goes through the load . Hence electrical energy transfer one circuit to another circuit with electromagnetic induction . Working principle of transformer
8.  There are many kind of transformer such as According to working principle: 1.Step up transformer 2.Step down transformer According to phase: 1.Single phase transformer 2.Poly phase transformer Classification of transformer
9.  1. Core type transformer 2. Shell type transformer 3. Spiral core type transformer According to structure:
10.  Structure: Step up and down transformer
11.  1. Transmission line 2. Distribution line 3. Television 4. Computer 5. Radio 6. Telephone set 7. Welding purpose 8. Air conditioner etc Application of transformer
12.  Transformer is most important device for transmission and distribution and other sectors. So we cannot think high and low voltage transmission and distribution without transformer. Summary
13.  1. What is transformer ? 2. Where are transformer used ? 3. How many transformer according to phage? 4. What is the working principle of transformer? Evaluation
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