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| EEE 4-1 High Voltage Engineering | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download Part B |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
EEE 4-1 High Voltage Engineering Important Topics
Preamble:
With the growth of power, HV power transmission has become an important subject. The performance of
generating equipment requires knowledge of different phenomena occurring at higher voltage. Thus
evaluations of various insulating materials are required for protection of HV equipments. Keeping this in
view the course is designed to understand various phenomena related to breakdown study and withstand
characteristics of insulating materials. The course also describes the generation and measurement of DC,
AC and Impulse voltages.
Course Objectives:
x To understand HV breakdown phenomena in gases.
x To understand the breakdown phenomenon of liquids and solid dielectrics.
x To acquaint with the generating principle of operation and design of HVDC, AC voltages.
x To understand the generating principles of Impulse voltages & currents.
x To understand various techniques for AC, DC and Impulse measurements of high voltages and
currents.
UNIT - I
Break down phenomenon in Gaseous:
Insulating Materials: Types - applications and properties. Gases as insulating media – Collision process –
Ionization process – Townsend’s criteria of breakdown in gases and its limitations – Streamers Theory of
break down – Paschen’s law- Paschens curve.
UNIT - II
Break down phenomenon in Liquids:
Liquid as Insulator – Pure and commercial liquids – Breakdown in pure and commercial liquids.
Break down phenomenon in Solids:
Intrinsic breakdown – Electromechanical breakdown – Thermal breakdown –Breakdown of composite
solid dielectrics.
UNIT - III
Generation of High DC voltages:
Voltage Doubler Circuit - Voltage Multiplier Circuit – Vande- Graaff Generator.
Generation of High AC voltages:
Cascaded Transformers – Resonant Transformers –Tesla Coil
UNIT - IV
Generation of Impulse voltages:
Specifications of impulse wave – Analysis of RLC circuit only- Marx Circuit.
Generation of Impulse currents:
Definitions – Circuits for producing Impulse current waves – Wave shape control - Tripping and control
of impulse generators.
UNIT - V
Measurement of High DC & AC Voltages:
Resistance potential divider - Generating Voltmeter - Capacitor Voltage Transformer (CVT) -
Electrostatic Voltmeters – Sphere Gaps.
Measurement of Impulse Voltages & Currents:
Potential dividers with CRO - Hall Generator - Rogowski Coils.
Course Outcomes:
After the completion of the course the student should be able to:
x Recognise the dielectric properties of gaseous materials used in HV equipment.
x Differentiate the break down phenomenon in liquid and solid dielectric materials.
x Acquaint with the techniques of generation of high AC and DC voltages
x Acquaint with the techniques of generation of high Impulse voltages and currents.
x Getting the knowledge of measurement of high AC - DC - Impulse voltages and currents.
Text Books:
1. High Voltage Engineering: Fundamentals by E.Kuffel - W.S.Zaengl - J.Kuffel by Elsevier - 2nd
Edition.
2. High Voltage Engineering and Technology by Ryan - IET Publishers - 2nd edition.
Reference Books:
1. High Voltage Engineering by M.S.Naidu and V. Kamaraju – TMH Publications - 3rd Edition.
2. High Voltage Engineering by C.L.Wadhwa - New Age Internationals (P) Limited – 1997.
3. High Voltage Insulation Engineering by RavindraArora - Wolfgang Mosch - New Age
International (P) Limited - 1995.
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