Distribution Transformers Quiz
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Questions and Answers

Which type of transformer provides the final voltage transformation in the electric power distribution system?

  • Service transformer
  • Step-up transformer
  • Distribution transformer (correct)
  • Power transformer
  • What is the maximum rating for distribution transformers as per some national standards?

  • 200 kVA
  • 100 kVA
  • 500 kVA
  • 5000 kVA (correct)
  • What are distribution tap pad-mount transformers?

  • Transformers that are mounted on the ground
  • Transformers that are mounted on a utility pole
  • Transformers that are used in step-up voltage transformation
  • Transformers that are mounted on concrete pads and locked in steel cases (correct)
  • Distribution transformers are responsible for stepping up the voltage used in the distribution lines to the level used by the customer.

    <p>False</p> Signup and view all the answers

    Distribution transformers can be mounted on concrete pads and locked in steel cases if the distribution lines are located at ground level or underground.

    <p>True</p> Signup and view all the answers

    Reducing iron losses is not important for distribution transformers since they are only energized when carrying a load.

    <p>False</p> Signup and view all the answers

    What is the purpose of a distribution transformer in the electric power distribution system?

    <p>To provide the final voltage transformation to the customer</p> Signup and view all the answers

    What is the maximum rating for distribution transformers according to some national standards?

    <p>Up to 5000 kVA</p> Signup and view all the answers

    Why are distribution transformers mounted on concrete pads and locked in steel cases if the distribution lines are located at ground level or underground?

    <p>To protect them from damage and tampering</p> Signup and view all the answers

    What is the purpose of mounting distribution transformers on concrete pads and locking them in steel cases?

    <p>To protect the transformer from external damage</p> Signup and view all the answers

    What is the maximum rating for distribution transformers as per some national standards?

    <p>5000 kVA</p> Signup and view all the answers

    What is the significance of the invention of a practical efficient transformer in AC power distribution?

    <p>It made AC power distribution feasible</p> Signup and view all the answers

    Is it possible for distribution transformers to have power ratings greater than 200 kVA according to some national standards?

    <p>True</p> Signup and view all the answers

    Are pole-mount transformers the only type of distribution transformers?

    <p>False</p> Signup and view all the answers

    Do distribution transformers consume energy even when they don't carry any load?

    <p>True</p> Signup and view all the answers

    Study Notes

    Distribution Transformers

    • Provide the final voltage transformation in the electric power distribution system.
    • Responsible for stepping down the voltage used in the distribution lines to the level used by the customer.

    Characteristics of Distribution Transformers

    • Maximum rating: up to 200 kVA according to some national standards.
    • Can have power ratings greater than 200 kVA according to some national standards.
    • Can be mounted on concrete pads and locked in steel cases if the distribution lines are located at ground level or underground.
    • Reducing iron losses is important for distribution transformers.

    Security and Installation

    • Mounted on concrete pads and locked in steel cases to prevent unauthorized access and ensure safety.

    Significance of Transformers

    • The invention of a practical and efficient transformer is crucial for AC power distribution.

    Facts about Distribution Transformers

    • Not the same as pole-mount transformers; there are other types of distribution transformers.
    • Consume energy even when they don't carry any load, making reducing iron losses important.

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    Description

    Test your knowledge on distribution transformers and their role in the power distribution system with this quiz. Explore the history of their invention and understand the process of stepping down voltage for customer use. Keywords: distribution transformer, service transformer, voltage transformation, power distribution system.

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