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  • Why taping are provided only in primary in a autotransformer?

    vibhor_one

    Member

    Updated: Oct 26, 2024
    Views: 1.1K
    Hi All,

    Correct me if I am wrong, why always tapings are provided on lv or the primary side of the autotransformer? If all that is done for easily change over then what is the basic concept behind please give details.

    Hoping for some light on this topic.

    Vibhor Mittal
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Replies

  • tashirosgt

    Member • Feb 14, 2010

    Is the subject "tape" like "scotch tape", "electrician's tape"? Or is it "tap" like "center tap"?
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  • lal

    Member • Feb 14, 2010

    Its tap ofcourse!
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  • tashirosgt

    Member • Feb 14, 2010

    Then "tapping" would a better choice of words than "taping". However, "tapping" can refer to "tap dancing". So a better way to phrase the question would be:

    "I'm under the impression that when a tap is provided on a step-up transformer, it is always provided on the primary coil. Is this true? If so, why aren't taps on the secondary coils useful?"
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  • vibhor_one

    Member • Feb 15, 2010

    tashirosgt
    Then "tapping" would a better choice of words than "taping". However, "tapping" can refer to "tap dancing". So a better way to phrase the question would be:

    "I'm under the impression that when a tap is provided on a step-up transformer, it is always provided on the primary coil. Is this true? If so, why aren't taps on the secondary coils useful?"
    My question is very simple friends, I mean to know why always tapping that are on autotransformers primary side only?
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  • tashirosgt

    Member • Feb 15, 2010

    The Wikipedia article on autotransformer says that it has only a single winding. <a href="https://en.wikipedia.org/wiki/Autotransformer" target="_blank" rel="nofollow noopener noreferrer">Autotransformer</a>
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  • harinarayanan

    Member • Feb 15, 2010

    It is for increasing or decreasing the voltage by adding the winding in series direction and in oposite direction.
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  • vibhor_one

    Member • Feb 16, 2010

    tashirosgt
    The Wikipedia article on autotransformer says that it has only a single winding. <a href="https://en.wikipedia.org/wiki/Autotransformer" target="_blank" rel="nofollow noopener noreferrer">Autotransformer</a>
    Hi tashirosgt,

    I mean to say that autotransformer which have single winding but having two sides that are lv and hv, where tapping are provided.

    Hope it will help you to understand what I want to convey.

    Regards

    Vibhor Mittal
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