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High Voltage Engineering

By Ashwini Mathur, Shobhit Gupta

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Rs. 135

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Specifications of High Voltage Engineering

Book Details

  • 978-93-80311-98-2
  • English
  • -
  • Paper Back
  • -

Contents

  • 1. Breakdown in Dielectrics
    Objectives, Introduction, Introduction to Mechanism of Breakdown in Gases, Townsend’s First and Second Ionization Coefficient, Townsend Breakdown Mechanism, The Sparking Potential–Paschen’s LAW, Breakdown in Electromagnetic Gases, Application of Gases in Power System, Introduction to Mechanism of Breakdown in Liquids, Suspended Solid Particle Mechanism, Cavity Breakdown, Electroconvection Breakdown, Application of Oil in Power Apparatus, Introduction to Mechanism of Breakdown in Solid, Electromechanical Breakdown, Treeing and Tracking Breakdown, Thermal Breakdown, Solved Examples, Review Questions.
     
    2. Generation & Measurement of High Voltage
    Objectives, Introduction, Generation of High DC Voltage, Half and Full-Wave Rectifier Circuits, Voltage Doubler Circuit, Basic Voltage Multiplier Circuit, CockCroft-Walton Voltage Multiplier Circuit, High AC Voltage Generation, Cascaded Transformer, Impulse Voltage Generation, Impulse Voltage, Characteristics of Impulse Voltage, Basic Impulse Circuits, Mark’s Multistage Impulse Generators, Components of a Multistage Impulse Generator, Measurement of High Voltages, High Ohmic Series Resistance With Microammeter, Resistance Potential Dividers For DC Voltage, Generating Voltmeter, Capacitive Potential Dividers, Mixed Potential Divider, Sphere Gap, Klydonograph, Solved Examples, Review Questions.
     
    3. Nondestructive Insulation Tests and Partial Discharge
    Objectives, Introduction, Measurement of Resistivity, Specimens and Electrodes, Electrode Material, Measuring Cell, Measurements of Dielectric Constant and Loss Factor, High Voltage Schering Bridge, Measurement of Capacitance and Dielectric Loss, Partial Discharges, Introduction to Partial Discharge, Partial Discharge Equivalent Circuit, Basic Wide Band PD Detection Circuit, Narrow Band PD Detection Circuit, Comparison Between Wide Band and Narrow Band PD Measuring Circuits, Solved Examples, Review Questions.
     
    4. Over Voltages And Travelling Waves
    Objectives, Introduction, Causes of Overvoltages, Internal Causes of Overvoltages, External Causes of Overvoltages–Lightning, Introduction to Lightning Phenomena, Breakdown Process, Wilson’s theory of Charge Separation, Simpson and Scarse’s Theory, Overvoltage due to Lightning, Travelling Waves, Open end Line, Short Circuited Line, Line Terminated Through a Resistance, Line Connected to a Cable, Reflection and Refraction at a T-junction, Line Terminated through a Capacitance, Attenuation of Travelling Waves, Solved Examples, Review Questions.
     
    5. Over Voltage Protection And Insulation Coordination
    Objectives, Introduction, Ground Wires, Construction, Working, Protective Angle and Protective Zone, Ground Rod, Counterpoise, Surge Absorber, Rod Gap, Arcing Horn, Lightning Arrester, Expulsion-type Surge Arrester, Non-liner Gap Type Arrester, Metal-oxide Surge Arrester (MOA), Insulation Coordination, Volt-time Curve, Basic Impulse Insulation Levels (B.I.L.), Coordination of Insulation Level, Review Questions.
     
    M. Multiple Choice Questions
    P. Paper