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Understanding Real, Reactive, and Apparent Power in Ideal Transformers

This article delves into the concepts of real, reactive, and apparent power in ideal transformers, emphasizing conditions like no flux leakage, infinite permeability, and absence of power loss. We explore how the dot convention indicates the direction of voltage and current, and clarify the significance of the minus sign in the corresponding formulas. The piece includes practical examples of impedance transformation to illustrate these concepts effectively, enhancing your understanding of transformer operation and power relationships.

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Understanding Real, Reactive, and Apparent Power in Ideal Transformers

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  1. Real, Reactive and Apparent Power

  2. Ideal Transformer 1- No flux leakage 2- Infinite permeability 3-No power loss 1- 2- 3-

  3. Dot convention Dot shows two things: 1- The direction of voltage 2- The direction of current Otherwise we have to use a Minus sign in these formulas

  4. Impedance Transformation

  5. Example 1

  6. Example 2

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