8EE4.3 POWER SYSTEM TRANSIENTS

Unit-1 Wave terminology, Development of wave quotations, Terminal problems, Lattice diagrams, Origin and Nature of power system transients and surges, Surge parameters of plants, Equivalent Circuit representations. Lumped and distributed circuit transients.
Unit-2 Line energisation and de-energisation transients-Earth and earthwire effects. Current chopping in circuit breakers. Short line fault condition and its relation to circuit breaker duty. Trapped charge effects. Effect of source and source representation in short line fault studies.
Unit-3 Control of transients, Lightening phenomenon, influence of tower footing resistance and earth resistance, Traveling waves in distributed parameters multiconductor lines, parameters as a function of frequency.
Unit-4 Mechanism of Lightning Discharge Types of Lightning strokes, Harmful effects of lighting, protections against lightning, overhead Ground wires.
Unit-5 Lightening Arresters, Types of lightening arresters, Surge Absorber simulation of surge diverters in trarient analysis. Fourier integral and z transform methods in power system trarient.

Reference/Suggested Books
1. Power System Transients: C S Indulkar and D P Kothari., NEW AGE
2. Lou Van der Sluis: Transients in Power Systems, John Wiley
3. NR Watson, J Arrillaga: Power Systems Electromagnetic Transients, John Wiley