HIGH VOLTAGE ENGINEERING(SYLLABUS MTECH-EPS ELECTIVE I SEM)

UNIT- I: INTRODUCTION TO HIGH VOLATGE ENGINEERING

Electric Field Stresses, Gas / Vacuum as Insulator, Liquid Dielectrics, Solids and Composites,

Estimation and Control of Electric Stress, Numerical methods for electric field computation, Surge

voltages, their distribution and control, Applications of insulating materials in transformers,

rotating machines, circuit breakers, cable power capacitors and bushings.

UNIT- II: BREAK DOWN IN DIELECTRIC MATERIALS

Gases as insulating media, collision process, Ionization process, Townsend’s criteria of

breakdown in gases, Paschen’s law. Liquid as Insulator, pure and commercial liquids, breakdown

in pure and commercial liquids. Intrinsic breakdown, electromechanical breakdown, thermal

breakdown, breakdown of solid dielectrics in practice, Breakdown in composite dielectrics, solid

dielectrics used in practice.

UNIT-III: GENERATION & MEASUREMENT OFHIGH VOLTAGES & CURRENTS
Generation of High Direct Current Voltages, Generation of High alternating voltages, Generation
of Impulse Voltages, Generation of Impulse currents, Tripping and control of impulse generators.
Measurement of High Direct Current voltages, Measurement of High Voltages alternating and
impulse, Measurement of High Currents-direct, alternating and Impulse, Oscilloscope for impulse
voltage and current measurements.
UNIT-IV: OVER VOLTAGES & INSULATION CO-ORDINATION
Natural causes for over voltages – Lightning phenomenon, Overvoltage due to switching surges,
system faults and other abnormal conditions, Principles of Insulation Coordination on High
voltage and Extra High Voltage power systems.
UNIT- V: TESTING OF MATERIALS & ELECTRICAL APPARATUS
Measurement of D.C Resistivity, Measurement of Dielectric Constant and loss factor, Partial
discharge measurements. Testing of Insulators and bushings, Testing of Isolators and circuit
breakers, testing of cables, Testing of Transformers, Testing of Surge Arresters, and Radio
Interference measurements.
TEXT BOOKS:
1. High Voltage Engineering by M.S.Naidu and V. Kamaraju – TMH Publications, 3rd Edition
2. High Voltage Engineering: Fundamentals by E.Kuffel, W.S.Zaengl, J.Kuffel by Elsevier,
2nd Edition.
REFERENCE BOOKS:
1. High Voltage Engineering by C.L.Wadhwa, New Age Internationals (P) Limited, 1997.
2. High Voltage Insulation Engineering by Ravindra Arora, Wolfgang Mosch, New Age
International (P) Limited, 1995.
3. High Voltage Engineering, Theory and Practice by Mazen Abdel Salam, Hussein Anis,
Ahdan El-Morshedy, Roshdy Radwan , Marcel Dekker