High voltage Engineering | Syllabus | College Platform - NITH
Electrical EngineeringEE-421
EE-421core Course
High voltage Engineering
3 Credits
6 Modules
Updated 12/31/2024
01
Introduction:
3 Lectures
Levels of voltages Electrical Insulation and Dielectrics Importance of Electric Field Intensity
in the Dielectrics Types of Electric Fields Degree of Uniformity of Fields (Schwinger Factor) Stress
Control.
02
Gaseous Dielectrics
10 Lectures
Properties of atmospheric air and SF6 Related ionization Process Properties of vacuum Related ionization
Process Development of Electron Avalanche Breakdown Mechanisms Townsend's Mechanism Streamer
Mechanism Breakdown in Uniform Fields (Paschen's Law) Breakdown of gaseous dielectrics in Weakly Non
uniform and the limiting value of η Development of 'Partial Breakdown' (PB) in Extremely Non-Uniform Fields
Breakdown characteristics’ in air with stable PB (corona)
03
Liquid and Solid Dielectrics
6 Lectures
Classification and Properties of Liquid Dielectrics Classification and Properties of Solid Dielectrics Permittivity
and Polarization in Dielectrics Insulation Resistance Conductivity and Losses in Dielectrics Partial Breakdown
Phenomenon in Dielectrics Partial Breakdown Phenomenon on the Surfaces of Solid and Liquid Dielectrics
Breakdown in Liquid and Solid Dielectrics
Measurement of Intrinsic Breakdown in solid dielectrics Thermal and other Breakdown Mechanisms in
extremely non-uniform fields Comparison of the development of breakdown in extremely and weakly non
uniform fields and the requirement of time for breakdown in solid dielectrics.
04
Generation of High Test Voltages & Measurement techniques
12 Lectures
Generation of High Test Voltages & Measurement techniques
Methods of generation of Power Frequency high test voltage Transformers in Cascade Resonance
Transformers Generation of high dc voltage Voltage Multiplier Circuits and Ripple Minimization Sources
of over voltages and Standard Lightning and Switching wave shapes Impulse Voltage Generator
Analysis of Single Stage Circuit Multistage Impulse Generator and their Triggering Methods.
Measurement of High Test Voltages i.e. Peak High Voltage measurement techniques Sphere gap; Effects
of earthed objects and atmospheric conditions Electrostatic Voltmeters Principle and Construction
Potential Dividers their types and applications
05
Non-destructive High Voltage Testing and Quality Control
3 Lectures
Measurable properties of dielectrics Measurement of Dielectric properties with Schering Bridge and
Mega-ohm meter Partial Breakdown (PB) Measurement Techniques in Dielectrics/ Equipment.
06
Insulation Coordination and Over Voltages in Power Systems
2 Lectures
Over voltages and Basic insulation level design.
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