How does a Transformer work ?

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51 thoughts on “How does a Transformer work ?

  1. I can’t believe this is for free. Thank you so much. As a graduate electrical engineer I have been desperate to see how a transformer is actually constructed in real life. This was perfect for me. You rock!

    1. Associate engineers r doing some small n little experiments in technical collages n visits of industries are giving broader view to them…..though mathmatics n algebra n geometry n integration is very weak as per subject and students capibility is also little low othervice technical collages curriculum is even have much better standards ……………..but v need capable manpower to join technical colleges as i believe the person who studied in technical collages n then go for the engineering can be the best engineer for the country inspite of those who just done the engineering after pre-engineering………….or after 12 grade……

    2. I was in danger of being beat up and shot by a Crypt Gangster until I asked him if he wanted to know how a transformer works. Also, had he ever been curious about Nuclear Fusion?? You should have seen the look on his face – he was terrified of me and took off real quick like, getting into the car with the rest of his homies. Whatever he told ’em must have had the same effect c’os they were GONE, and I mean GONE, screeching tires and all!!!!

    3. Jake McCoy is right but I am going to add this Theory then experience sounds better but it should be done right where you do a class and then a lab right after it for experience.

    1. I was in danger of being beat up and shot by a Crypt Gangster until I asked him if he wanted to know how a transformer works. Also, had he ever been curious about Nuclear Fusion?? You should have seen the look on his face – he was terrified of me and took off real quick like, getting into the car with the rest of his homies. Whatever he told ’em must have had the same effect c’os they were GONE, and I mean GONE, screeching tires and all!!!!

    2. Excellent so would know the answer to this:
      After placing the primary coil inside the secondary coil, I assume the coils don’t touch each other, what is the size of the gap and if there is anything in there besides air separating them?

    3. It was fine up until the 3-phase explanation and star vs delta configuration. Then it suddenly became an explanation for people who already understood the matter.

    4. @Mayur think of Watts law. Power = IxE. The power in the primary equals the power in the secondary. A transformer doesn’t create power, it only takes the power coming in and converts the voltage up or down, therefore the current can only do the opposite to balance the power (watts or VA)

  2. Actually the high voltage side is usually in a delta configuration and the low voltage side is in star configuration. The delta configuration allows us to transport power without the use of a neutral, saves some money. And the star configuration is needed for a ground reference, otherwise the consumers do not have a voltage potential difference.

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  3. Found out this channel accidentally and I love it. I love simple step-by-step explanations and the actual models – makes everything so simple and clear. Keep it up!

  4. I wish I had this before becoming a industrial electrician . I am glad that it has been made available for the craft in such detail.For the up and comer. Ty.Fortunately I learned most of this. But I still can’t put it to paper and retest. Funny how if you don’t use it you will loose it. Thanks for the great video !

  5. Very clear informations! I’m graduated at civil engineering, but have been learning about mechanics, electricity and electronic with your videos. Thank you for the excellent material!

    1. The only part I did not understand was the Mathematics behind it all. I mean P=(UV-++^^^78UV) — V5XV4+eVX22-PO+=o3C2=O There, now that wasn’t so hard was it????

  6. Transformer inventors:
    🔸Michael Faraday and Joseph Henry – EM Induction and principles of transformers
    1831/1832
    🔹Nicholas Callan – Induction coil (First primitive transformer)
    1836
    🔹Lucien Gaulard and John Dixon Gibbs – Open – core transformer
    1882
    🔹ZBD (Zipernowsky, Blathy, Deri) – Closed-core transformer ( Modern transformer design)
    1885
    🔹Mikhail Dolivo-Dobrovolsky
    3-phase transformer
    1889

  7. for those whom it might help click in their heads: The magnetic field created by the coils travels through the iron core in order to reach the secondary coil.

    1. Yes exactly they Teach us only for Exams they do not generate curiosity and ask this to observe in our daily life they even lacks some daily life examples in some concepts this cause to look science only in that limited textbooks not from your curiosity or presective I came to this video when there was electrocut in our due to transformer which busted so u was furious.

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