• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

How Engineering Works

  • Home
  • About Us
  • Electrical Engineering
    • Interview Questions
  • Privacy Policy
  • Disclaimer
  • Contact Us
  • Blog

What is the necessity of tap changing in a transformer?

February 6, 2018 by Deena

DWQA Questions › Category: Transformer › What is the necessity of tap changing in a transformer?
0 Vote Up Vote Down
Deena asked 5 years ago
1 Answers
0 Vote Up Vote Down
admin Staff answered 5 years ago

Mostly to fine tune the output of the secondary in terms of voltage.
Given that AC Mains voltages can vary over a range of +/-10% and a more accurate secondary output is needed, then taps on either the primary or secondary can be used to accomplish this.

Primary Sidebar

Related Questions

  • What is the significance of vector grouping in Power Transformers? asked by admin
  • Why the transformer is needed to be operated in parallel? asked by
  • What is the use of a conservator in transformer? asked by
  • What is the condition to obtain maximum efficiency in a single-phase transformer? asked by

INTERVIEW QUESTIONS

MCQ or Objective





Recommended Post

Top Electricity Companies

MCQ on DC Generator – 1

MCQs on Special Motor

MCQ on Strength of Materials – 1

MCQ on Battery – 2

Categories

  • Electrical Articles (19)
  • Electrical MCQ (75)
  • Electrical Questions (11)
  • Interviews Questions (7)
  • IQ Test (1)
  • Uncategorized (12)

Join Our Whatsapp Group


About Us | Privacy Policy | Disclaimer


Copyright@2017-2022