Subscribe to Magazine

We’re here to support you, no matter your location. Searching for the appropriate contact?

Unsure about who to reach out to with your questions or issues?

Discover the right person to contact in our contact directory.


    Introduction to transformers – e-lesson #4: Equivalent circuit of a transformer (Spanish)

    Intermediate level

    Hosted by: Transformers Academy / Intermediate level

    Continue to learn the following:

    – No load losses and excitation power calculation example

    – No Load Losses Test in Transformers

    – Separation of hysteresis and Eddy current losses in a core by the method of the 2 frequencies. Formulas and example

    – Equivalent Circuit of the Transformer

    – Polarity marks and direction of the current in the windings

    – Additive and Subtractive Polarity

    – Basic equations of an ideal transformer – Voltage Ratio
    The content of this lesson is fully vendor agnostic but it is sponsored by The H-J Family of Companies. 

    About the author

    Orlando Giraldo

    The H-J Family of Companies

    Orlando Giraldo has acquired the title of electrical engineer from the Technological University of Pereira, Colombia, and finance specialist from the EAFIT University. He has worked for over 46 years of at different positions in the transformer-related areas in ABB (13 years), SIEMENS (14 years) and THE HJ FAMILY OF COMPANIES
    (the last 21+ years) on: design, production, tests, sales, etc., of transformers and components. He has also completed multiple training visits to transformer and component plants around the world. Mr. Giraldo is a specialist in transformer production, componentsand protection. For the last two years, he has been working as senior consulting engineer of THE H-J FAMILY OF COMPANIES and teacher of Transformer course in the Technological University of Pereira.

    Subscribe to Magazine!