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E5 201 (AUG) 2:1 High Voltage Engineering Introduction to insulation systems used in high voltage power apparatus: gaseous, vacuum, liquid, solid and

composite insulation, performance of insulation under electric stress, high voltage dielectric tests – generation andmeasurement of high ac, dc and impulse voltages in test laboratories, generation and measurement of impulse

current, digital techniques in HV measurements, calibration of HV measuring instruments and traceability of HV

measurements, dry and wet tests, pollution test, RIV, corona and voltage distribution tests on insulators and linehardwares, composite stress testing, high current tests on surge arresters, nondestructive insulation diagnostics

and condition monitoring of high voltage equipments – measurement of insulation resistance, dielectric responseanalysis, PDC, recovery voltage, capacitance and tan , partial discharges, treeing and tracking, SFRA and DGA,

introduction to relevant national and international standards, layout and clearances as well as shielding and

grounding of HV lab, safety regulations for high voltage tests. Laboratory experiments on the above topics. M Joy Thomas Kuffel, E., Zaengl, W.S., and Kuffel, J., High Voltage Engineering Fundamentals, Butterworth-Heineman Press,Oxford, 2000. Current literature from journals and conference proceeding. E5 205 (AUG) 3:0

Physics of Dielectrics

Dielectric formalism, equivalent circuits, intrinsic dielectric strength, mechanisms of electrical and thermalbreakdown in solids, dielectric relaxation in condensed matter. T S Ramu

Bottcher, C.J.F., Theory of Electric Polarisation, Elsevier Publication, 1962. Whitehead, S., Dielectric Breakdown of solids, Oxford Univ. Press, Clarendon. 1953.

E5 206 (JAN) 3:0 HV Power Apparatus HV power transformers, equivalent circuit, surge phenomenon, standing and traveling wave theory, laddernetwork representation, short circuit forces, impulse testing, diagnostics and condition monitoring of transformers,

natural frequencies and its measurement, modern techniques. Introduction to HV switching devices, electric arcs,

short circuit currents, TRV, CB types, air, oil and SF6 CB, short circuit testing. Udaya Kumar, L Satish and B S Rajanikanth Bernard Hochart, Power Transformer Handbook, Butterworth, 1987. The J & P Transformer Book, 12th Edn, M J Heathcote, Newnes, 1998. Transformers, Bharat Heavy Electricals Limited, Tata McGraw Hill, 2001. Blume, L.F., and Boya Jian, Transformer Engineering, John Wiley and Sons, 1951. Garzon, R.D., HV Circuit Breakers – Design and Applications, Marcel and Dekker NY, 1996. Flurscheim, C.H., Power Circuit Breaker: Theory and Design, Peter Peregrinus Ltd., 1975. Ryan, H.M., and Jones G.R., SF6 Circuit Breaker, Peter Peregrinus Ltd., 1989. E5 208 (JAN) 3:0Stochastic Processes in Electrical Insulation

of 4E5 High Voltage and Insulation Engineering

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Phenomenological theory of ageing, mechanisms of ageing under electrical, thermal and combined stresses,

accelerated ageing tests, statistical models for insulation failure, ageing data analysis, ageing and failure due to

partial discharges, ageing in multi component insulation systems.

T S Ramu Pre-requisite E5 222 Mann, N.R., Scholar, R.E., and Singaporewalla, N.D., Methods of Statistical Analysis and Life Data, John Wileyand Sons, NY, 1974.

Hohn, G.J., and Shapira, S.S., Statistical Models in Engineering, John Wiley and Sons, NY, 1967. E5 209 (JAN) 3:0

Over voltages in Power Systems Transient phenomena on transmission lines, methods of analysis and calculation, use of PSPICE, principle of

EMTP lightning discharges, origin and characteristics of lightning and switching overvoltages, behaviour ofapparatus and line insulation under overvoltages, Protection of Apparatus against Overvoltages, Surge arresters,

VFTO in GIS, insulation co-ordination.

L Satish Ragaller, K. (ed.), Surges in High Voltage Networks, Plenum Press, 1980.Transmission Line Reference Book, 345 kV and above EPRI, 1984.

E5 210 (JAN) 2:1 High Voltage Testing Techniques

Need for diagnostics and condition monitoring, on-line/on-site testing, diagnostic tools. Transformer impulse test,neutral current method, digital techniques, data acquisition, principles and problems, TF and CF method, windingstructure, natural frequencies, newer methods of fault identification and diagnostics PD measurement,background, analysis, calibration, digital PD measurement, PD as a diagnostic tool, PD signal, noise reduction

methods, PD pattern, fault discrimination, and insulation degradation. E

LAB: Measurement of capacitance and dissipation factor, transformer ratio at high voltages, RIV, impulse

flashover of line insulation, use of RSG, sweep frequency response of transformers, LVI testing method, signalgeneration using arbitrary waveform generators, partial discharge measurement, DGA. L Satish and B Subba Reddy

Recent Journal Publications E5 212 (JAN) 3:0 Computational Methods for Electrostatics Laplace’s and Poisson’s equations in insulation design, transient fields due to finite conductivity, method ofimages, images in two-layer soil, numerical methods, finite difference, finite element and charge simulationmethods tutorials and demonstration on PC, programming assignments. Udaya Kumar Numerical Techniques in Electromagnetic, Second Edn, M.N.O. sadiku, CRC Press. Weber, E., Electromagnetic Fields, Dover, 1951.

Silvester, P.P. and Ferrari, R.L., Finite Elements for Electrical Engineers, Cambridge University Press, 1996.

Selected journal papers



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E5 213 (JAN) 3:0 EHV/UHV Power Transmission Engineering Electrical power transmission by HVAC and HVDC, overhead transmission lines, bundled conductors, mechanicalvibration of conductors, surface voltage gradient on conductors, corona and associated power loss, radio-noise

and audio-noise and their measurement, fields under transmission lines, overhead line insulators, insulator

performance in polluted environment, EHV cable transmission – underground cables and GIL, high voltagesubstations – AIS and GIS, grounding of towers and substations, over voltages in power systems, temporary,

lightning and switching over voltages, design of line insulation for power frequency voltage, lightning andswitching over voltages, insulation co-ordination. M Joy Thomas Begamudre, R.D., Extra High Voltage AC Transmission Engineering, Wiley Eastern Limited, 1990. Transmission line Reference Book 345 kV & above, Electrical Power Research Institute, (EPRI), USA, 1982. E5 214 (AUG) 2:0 HV applications for Air Pollution Control Fundamentals: Non-thermal gas discharges at atmospheric pressure, corona discharges, chemical activity of

plasma, power sources, hybrid plasma reactors and associated measurements. Applications: combined removalof dust, SO2 and NOx in flue gases, removal of VOCs, ozone generation, cleaning of exhaust gases, gastemperature effects on plasma chemical reactions and automobile exhaust cleaning. B S Rajanikanth Lucian Dascalescu, An Introduction to Ionized Gases: Theory and Applications, 1993. Journal Publications E5 215 (AUG) 2:0 Pulsed Power Engineering Overview of pulsed power engineering, pulsed power generators, PFN schemes, Marx circuits, magnetic pulse

compression, FCG, explosively driven FCGs, homopolar generators, power conditioning systems, measurementtechniques of pulsed power parameters, insulation requirements for pulsed power systems – gaseous, liquid, solid

and magnetic insulation and their behaviour under pulsed voltages, applications of pulsed power systems, pulsedpower systems for high power lasers, HPM, UWB, IRA, railgun, ETC NEMP and ESD simulators, pulsed powersystems for biological and pollution control applications.

M Joy Thomas Advances in Pulsed Power Technology, Vol. 1 & 2, Plenum Press, NY, 1987and1990. E5 253 (AUG) 2:1Nanodielectrics

Introduction to polymers, polymer structure and morphology, classification of polymers, polymer characterisation,

polymers as dielectrics in various electrical equipment, dielectrics in electric field, polarization, relaxation,

permittivity and dielectric loss, space charge in dielectrics and its measurement, dielectric spectroscopy in timeand frequency domain, filled polymers for HV applications. Introduction to nanomaterials, polymer

nanocomposites, processing of nanocomposites, dispersion of nanofillers in polymer matrix, influence of

nanofillers on dielectric properties, interfacial phenomena, electrical degradation – treeing, partial discharge,

tracking & erosion and breakdown, stochastic models of breakdown, multistress ageing, nanodielectrics forspecific HV applications, nanofluids, computational dielectrics.

Laboratory experiments on the above topics.



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M Joy Thomas Ku, C.C., and Liepins, R., Electrical Properties of Polymers, Hanser Publishers, Munich, 1987. Jonscher, A.K., Dielectric Relaxation in Solids, Chelsea Dielectrics Press, London, 1983. Special Issue on Nanodielectrics, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 15, No. 1, Feb 2008.


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