EE6701 High Voltage Engineering 

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Subject Informations : 

University        :  Anna University
Department     :  B.E. ELECTRICAL AND ELECTRONICS ENGINEERING
Semester          : 07 th sem
Year                  : 04 th year
Regulation       : R2013
Subject Code   : EE6701
Subject Name  : High Voltage Engineering

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EE6701 High Voltage Engineering | Important  Questions
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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 

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 

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 

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

UNIT IV MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS 

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 

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.

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EE6701 High Voltage Engineering Notes – Click here to Download 

EE6701 High Voltage Engineering Questions Papers – Click here to Download 

EE6701 High Voltage Engineering 2 marks with answers – Click here to Download 

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