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Transformer – Definition, Types, Working Principle, Diagram

A transformer is a device that transfers electric power from one alternating-current circuit to another circuit without a change in frequency.

Working Principle

It works on the principle of Faraday’s Law of Electromagnetic Induction which states that “ the magnitude of voltage is directly proportional to the rate of change of flux.”

Construction of a Transformer

It mainly consists of

  1. Magnetic circuit (consisting of core, limbs, yoke and damping structure).
  2. Electrical circuit (consisting of primary and secondary windings)
  3. Dielectric circuit (consisting of insulations in different forms and used at different places)
  4. Tanks and accessories (conservator, breather, bushings, cooling tubes, etc.)



I hope the above Hindi video lecture and the handwritten note can help you understand the Transformer – Definition, Types, Working Principle, and Diagram properly. Stay with us for more educational video lectures and handwritten notes with free job alerts as well.

Checkout: Derive EMF Equation of Transformer

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