UNIT 1:
Introduction to High Voltage Engineering
Causes of over voltages and its effects on power system
Mathematical Model for Lightning
Switching surges and temporary overvoltages
Reflection and Refraction of Travelling waves
Protection against overvoltages
Protection using ground rods and counter poise wires
UNIT 2:
Gaseous breakdown in uniform fields
Streamer theory - Gaseous breakdown in non-uniform fields
Conduction and breakdown in pure liquids
Conduction and breakdown in commercial liquids
Maintenance of oil Quality
Breakdown mechanisms in solid dielectrics
Breakdown mechanisms in composite dielectrics
UNIT 3:
Generation of high DC voltages
Cascaded Modular Voltage Multipliers
Generation of Impulse Voltages
Multistage Impulse Generators
Generation of Impulse Currents
Triggering and control of impulse generators.
Generation of High Alternating Voltages
Generation of High Frequency a.c. High Voltages
UNIT 4:
Resistance shunt, Rogowski coil
Hall generator, Faraday generator
Digital techniques in high voltage measurement
Resistance, Capacitance and Mixed dividers
High Resistance with series ammeter – Dividers
Capacitance Voltage Transformers, Electrostatic Voltmeters
UNIT 5:
Testing of High voltage - International and Indian standards
Testing of High voltage - Introduction definition
Insulation Coordination in HV and EHV system
