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Electrical Engineering
High Voltage Engineering (Web)
Syllabus
Co-ordinated by :
IIT Kanpur
Available from :
2009-12-31
Lec :
1
Modules / Lectures
?Electric Field Strength (Electric Stress)
An introductory lecture
Importance of Electric Field Intensity in the Dielectrics
Types of Electric Fields and Degree of Uniformity of Fields
Utilization of Dielectric Properties and Stress Control
Gaseous Dielectrics
Properties of atmospheric air and SF6 , Related ionization Process
Properties of vacuum, Related ionization Process
Development of Electron Avalanche
Breakdown Mechanisms, Townsend's Mechanism
Breakdown Mechanisms, Streamer Mechanism
Breakdown in Uniform Fields (Paschen's Law)
Breakdown of gaseous dielectrics in Weakly Non-uniform and the limiting value of ?
Development of PB in Extremely Non-Uniform Fields
Breakdown charactersistics in air with stable PB (corona)
?Properties of Liquid and Solid Dielectrics
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 Soild and Liquid Dielectrics and degradation due to PB
Breakdown in Liquid and Solid Dielectrics?
Definition and Measurements of Intrinsic and Practical Breakdown strengths of Liquid 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
Generation of High Test Voltages
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 Voltage
Peak High Voltage measurement techniques
Sphere gap; Construction; Effects of earthed objects and atmospheric conditions
Electrostatic Voltmeters, Principle and Construction
Potential Dividers, their types and applications
Non-destructive High Voltage Testing and Quality Control
Measurable properties of dielectrics
Measurement of Dielectric properties with Schering Bridge and Megaohm meter
Parital Breakdown (PB)? Measurement Techniques in Dielectrics/ Equipment
?Insulation Coordination and Over Voltages in Power Systems
Over Voltages and Basic Insulation Level Design
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