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High Voltage Engineering (B.Tech)

Departmental Elective-IV: breakdown in dielectrics, generation and measurement of high voltages and insulation testing.

6 MonthsDuration 5Chapters27Topics
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Syllabus · पाठ्यक्रम

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01Unit 1: Breakdown in Gases 6 topics
  1. Ionisation processes
  2. Townsend's first and second ionisation coefficients
  3. Townsend breakdown criterion
  4. Streamer theory
  5. Paschen's law
  6. Corona discharges
02Unit 2: Breakdown in Liquid and Solid Dielectrics 5 topics
  1. Pure and commercial liquids
  2. Suspended particle, cavitation and electroconvection theories
  3. Intrinsic, electromechanical and thermal breakdown of solids
  4. Treeing and tracking
  5. Breakdown in composite dielectrics
03Unit 3: Generation of High Voltages and Currents 6 topics
  1. Half-wave and voltage doubler circuits
  2. Cockcroft-Walton voltage multiplier: ripple and regulation
  3. Cascaded and resonant transformers
  4. Tesla coil
  5. Standard impulse waves and Marx generator
  6. Impulse current generators
04Unit 4: Measurement of High Voltages and Currents 5 topics
  1. Sphere gaps
  2. Electrostatic voltmeters
  3. Resistive, capacitive and mixed potential dividers
  4. Peak voltmeters and CVT
  5. Rogowski coil and shunts for impulse current
05Unit 5: High Voltage Testing and Insulation Coordination 5 topics
  1. Tests on insulators, bushings and cables
  2. Tests on transformers, circuit breakers and surge arresters
  3. Partial discharge measurement
  4. Lightning and switching overvoltages
  5. Insulation coordination and BIL

About

You will be able to

  • Explain breakdown mechanisms in gaseous, liquid and solid dielectrics
  • Apply Townsend's criterion and Paschen's law
  • Describe generation of high DC, AC and impulse voltages and impulse currents
  • Measure high voltages and currents with sphere gaps, dividers and other methods
  • Explain high-voltage tests on power apparatus, partial discharge measurement and insulation coordination

Who it is for

  • B.Tech Electrical Engineering students of Semester 7 under AKTU who have chosen this Departmental Elective
  • Students interested in testing laboratories, transmission utilities and insulation design

What you need

  • Power System-I and Electromagnetic Field Theory

Questions

Which syllabus is followed?

The current AKTU (Dr. A.P.J. Abdul Kalam Technical University, Lucknow) B.Tech syllabus of High Voltage Engineering (Electrical Engineering, Semester 7). If your university or college follows a different syllabus, the centre teaches from your own university syllabus.

Is this a compulsory subject?

No. In the AKTU scheme it is offered as a Departmental Elective-IV option in Semester 7 of Electrical Engineering; it is taught for students who have chosen this elective.

How is the subject examined?

AKTU assesses it through sessional tests, assignments and attendance, and an end-semester university examination; the centre covers every unit with theory, derivations and numericals.

Are previous-year questions practised?

Yes. Unit-wise AKTU previous-year questions, short-answer questions and the test series are solved in class.

Download the syllabus (PDF)

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