EE6701 - HIGH VOLTAGE ENGINEERING (Syllabus) 2013-regulation Anna University

EE6701 - HIGH VOLTAGE ENGINEERING (Syllabus) 2013-regulation Anna University

EE6701

HIGH VOLTAGE ENGINEERING

 LPTC

3003

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

9

Causes of over voltages and its effects on power system – Lightning, switching surges and temporary overvoltages, Corona and its effects – Reflection and Refraction of Travelling waves- Protection against overvoltages.

UNIT II

DIELECTRIC BREAKDOWN

9

Gaseous breakdown in uniform and non-uniform fields – Corona discharges – Vacuum breakdown – Conduction and breakdown in pure and commercial liquids, Maintenance of oil Quality – Breakdown mechanisms in solid and composite dielectrics.


UNIT III

GENERATION OF HIGH VOLTAGES AND HIGH CURRENTS

9

Generation of High DC, AC, impulse voltages and currents - Triggering and control of impulse generators.

UNIT IV

MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS

9

High Resistance with series ammeter – Dividers, Resistance, Capacitance and Mixed dividers - Peak Voltmeter, Generating Voltmeters - Capacitance Voltage Transformers, Electrostatic Voltmeters – Sphere Gaps - High current shunts- Digital techniques in high voltage measurement.

UNIT V

HIGH VOLTAGE TESTING & INSULATION COORDINATION

9

High voltage testing of electrical power apparatus as per International and Indian standards – Power frequency, impulse voltage and DC testing of Insulators, circuit breakers, bushing, isolators and transformers- Insulation Coordination.

TOTAL : 45 PERIODS

OUTCOMES:
• Ability to understand and analyze power system operation, stability, control and protection.

TEXT BOOKS:
1. S.Naidu and V. Kamaraju, ‘High Voltage Engineering’, Tata McGraw Hill, Fifth Edition, 2013.
2. E. Kuffel and W.S. Zaengl, J.Kuffel, ‘High voltage Engineering fundamentals’, Newnes Second Edition Elsevier , New Delhi, 2005.
3. Subir Ray,’ An Introduction to High Voltage Engineering’ PHI Learning Private Limited, New Delhi, Second Edition, 2013.

REFERENCES:
1. L.L. Alston, ‘High Voltage Technology’, Oxford University Press, First Indian Edition, 2011.
2. C.L. Wadhwa, ‘High voltage Engineering’, New Age International Publishers, Third Edition, 2010.

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