EE2353 HIGH VOLTAGE ENGINEERING SYLLABUS

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AIM

To expose the students to various types of over voltage transients in power system and

its effect on power system.

- Generation of over voltages in laboratory.

- Testing of power apparatus and system.

OBJECTIVES

 To understand the various types of over voltages in power system and protection

methods.

 Generation of over voltages in laboratories.

 Measurement of over voltages.

 Nature of Breakdown mechanism in solid, liquid and gaseous dielectrics.

 Testing of power apparatus and insulation coordination.

UNIT I OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS 6

Causes of over voltages and its effects on power system – Lightning, switching surges

and temporary over voltages – protection against over voltages – Bewley’s lattice

diagram.

UNIT II ELECTRICAL BREAKDOWN IN GASES, SOLIDS AND LIQUIDS 10

Gaseous breakdown in uniform and non-uniform fields – Corona discharges – Vacuum

breakdown – Conduction and breakdown in pure and commercial liquids – Breakdown

mechanisms in solid and composite dielectrics.

UNIT III GENERATION OF HIGH VOLTAGES AND HIGH CURRENTS 10

Generation of High DC, AC, impulse voltages and currents. Tripping and control of

impulse generators.

UNIT IV MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS 10

Measurement of High voltages and High currents – Digital techniques in high voltage

measurement.

UNIT V HIGH VOLTAGE TESTING & INSULATION COORDINATION 9

High voltage testing of electrical power apparatus – Power frequency, impulse voltage

and DC testing – International and Indian standards – Insulation Coordination.

TOTAL : 45 PERIODS

TEXT BOOK

1. M. S. Naidu and V. Kamaraju, ‘High Voltage Engineering’, Tata McGraw Hill,

3rd Edition, 2004.

2. E. Kuffel and M. Abdullah, ‘High Voltage Engineering’, Pergamon Press, Oxford,

1970.

REFERENCES

1. E. Kuffel and W. S. Zaengel, ‘High Voltage Engineering Fundamentals’, Pergamon

Press, Oxford, London, 1986.

2. L. L. Alston, Oxford University Press, New Delhi, First Indian Edition, 2006.