EE 3701 High Voltage Engineering question papers

Question papers

• November/December 2024

  Question paper code 41041

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Syllabus

1. Unit 1: Over Voltages in Electrical Power Systems9 hours

   Causes of over voltages and its effects on power system · Lightning · switching surges and temporary over voltages · Reflection and Refraction of Travelling waves · protection against over voltages · Insulation Coordination

2. Unit 2: Dielectric Breakdown9 hours

   Properties of Dielectric materials · Gaseous breakdown in uniform and non-uniform fields · Corona discharges · Vacuum breakdown · Conduction and breakdown in pure and commercial liquids · Maintenance of oil Quality · Breakdown mechanisms in solid and composite dielectrics · Applications of insulating materials in electrical equipment

3. Unit 3: Generation and Measurements of High Voltages and High Currents9 hours

   Generation of High DC, AC, impulse voltages and currents · Analysis of DC/AC and Impulse generator circuits · Tripping and control of impulse generators · Measurement of High voltages and High currents · High Resistance with series ammeter · Dividers · Resistance, Capacitance and Mixed dividers · Peak Voltmeter · Generating Voltmeters · Electrostatic Voltmeters · Sphere Gaps · High current shunts · Digital techniques in high voltage measurement

4. Unit 4: High Voltage Testing & Insulation Coordination9 hours

   High voltage testing of electrical power apparatus · International and Indian standards · Power frequency, impulse voltage and DC testing of Insulators, circuit breakers, bushing, isolators and transformers · Insulation Coordination

5. Unit 5: Application in Industry9 hours

   Introduction · electrostatic applications · electrostatic precipitation · separation · painting / coating · spraying · imaging · printing · Transport of materials · manufacturing of sand paper · Smoke particle detector · Electrostatic spinning · pumping · propulsion · Ozone generation · Biomedical applications