High Voltage Engineering - EE8701, EE6701

OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS

=> Natural Causes of Over Voltages
=> Lightning Phenomenon
=> Lightning Voltage Surges
=> Wilson’s Theory of Charge Separation
=> Mechanism of Lightning Stroke
=> Over Voltages Due to Switching surges
=> Switching Surge Test Voltage Characteristics
=> Over voltage Protection
=> Surge Protection of Rotating Machine
=> System Faults and Other Abnormal Conditions
=> Bewley Lattice Diagram
=> Important Short Questions and Answers: Over Voltages in Electrical Power Systems

DIELECTRIC BREAKDOWN

=> Electrical Breakdown in Gases, Solids and Liquids
=> Classical Gas Laws
=> Corona Discharges
=> Ionization and Decay Processes
=> Townsend’s Criterion
=> Paschen's Law
=> Streamer or Kanal Mechanism of Spark
=> Breakdown in Non-Uniform Fields
=> Breakdown in Liquid Dielectrics
=> Breakdown in Solid Dielectrics
=> Electromechanical Breakdown
=> Thermal Breakdown
=> Breakdown in Composite Dielectrics
=> Electric Discharge in Vacuum
=> Solved Problems: Over(High) Voltages in Electrical Power Systems
=> Important Short Questions and Answers: Electrical breakdown is gases, solids& Liquids

GENERATION OF HIGH VOLTAGES AND HIGH CURRENTS

=> Generation of High Voltages and High Currents
=> Half Wave Rectifier Circuit - Generation of High Voltages and Currents
=> Cockroft Walton Voltage Multiplier Circuit - Generation of High Voltages and Currents
=> Electrostatic Generator
=> Generation of high A.C. voltages
=> Reactive Power Compensation
=> Series Resonant Circuit - Generation of High Voltages and Currents
=> Impulse Voltages
=> Impulse voltage generator circuits
=> Multistage impulse generator circuits
=> Tripping and Control Of Impulse Generators
=> Important Short Questions and Answers: Generation of High Voltages and High Currents

MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS

=> Measurement of High Voltage and High Currents
=> Uniform Field Spark Gaps - Measurement of High Voltage and Currents
=> Rod Gaps - Measurement of High Voltage and Currents
=> Electrostatic Voltmeter - Measurement of High Voltage and Currents
=> Peak Voltmeters with Potential Dividers
=> Impulse Voltage Measurements Using Voltage Dividers
=> CRO Forimpulse Voltage and Current Measurement
=> Resistance Potential Dividers - Digital Techniques in High Voltage Measurement
=> Capacitance Potential Dividers - Digital Techniques in High Voltage Measurement
=> Klydonograph or Surge Recorder - Digital Techniques in High Voltage Measurement
=> Important Short Questions and Answers: Measurement of High Voltage and High Currents

HIGH VOLTAGE TESTING and INSULATION COORDINATION

=> High Voltage Testing of Electrical Power Apparatus
=> Testing Of Overhead Line Insulators
=> Testing of Cables
=> Testing of Bushings
=> Testing of power capacitor
=> Testing of Power Transformers
=> Testing of Circuit Breakers
=> Testing Isolators
=> Surge Arresters
=> Tan Delta Measurement
=> Partial Discharge Measurements
=> The basic PD(Partial Discharge) test circuit
=> Partial Discharge(PD) currents
=> Radio Interference Due to High Voltage Insulator String
=> International and Indian Standards DC Testing Test Voltage
=> Insulation Coordination
=> Important Short Questions and Answers: High Voltage Testing of Electrical Power Apparatus