Transformer Lecture - 02 I Transformer I Electrical Machines I Senan Academy

This is second lecture of video lecture series on Transformer.
I have explained the following topics in this video::
1, Equivalent circuit diagram of transformer.
2. Phasor diagram on No load and on Load.
A very easy step by step explanation is given about how to draw phasor diagram of transformer on Load and on No Load.
3. Referred Values.
In this video you will find an explanation of referred quantities used in transformer.
4. Approximate equivalent circuit diagram.
This video explains about approximation done in the equivalent circuit diagram of transformer with justification. After approximation the transformer can be represented by a single impedance only.
5. Open Circuit Test
Test carried out on transformer to predict its performance without actually loading it. Open circuit test is carried out on transformer to determine its core loss. In this video you will find how open circuit test can be used to determine core loss and shunt parameters of the transformer. One numerical problem has also been solved to understand this concept.
6. Short Circuit Test
Short circuit test is carried out on transformer to determine its full load copper loss. This video gives an explanation that how short circuit test could be used to determine full load copper loss and series parameters of transformer. One numerical problem has been solved to demonstrate this.

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