EE2353 High Voltage Engineering lecture notes for EEE - Sixth (6th) Semester
EE2353 Lecture Notes
UNIT I OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
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
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
UNIT III GENERATION OF HIGH VOLTAGES AND HIGH CURRENTS
Generation of High DC, AC, impulse voltages and currents. Tripping and control of impulse
UNIT IV MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS
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.
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