The Lightning FlashVernon Cooray This unique book provides the reader with a thorough background in almost every aspect of lightning and its impact on electrical and electronic equipment. The contents range from basic discharge processes in air through transient electromagnetic field generation and interaction with overhead lines and underground cables, to lightning protection and testing techniques. This book is of value to anyone designing, installing or commissioning equipment which needs to be secured against lightning strikes, as well as being a sound introduction to research students working in the field. |
Contents
1 Charge structure and geographical variation of thunderclouds | 1 |
2 Thunderstorm electrification mechanisms | 17 |
3 Mechanism of electrical discharges | 45 |
4 The mechanism of the lightning flash | 127 |
5 Computation of electromagnetic fields from lightning discharge | 241 |
6 Mathematical modelling of return strokes | 281 |
7 The effects of propagation on electric radiation fields | 369 |
8 Interaction of electromagnetic fields generated by lightning withoverhead electrical networks | 425 |
9 Lightning and EMC | 479 |
10 Principles of protection of structures against lightning | 503 |
11 Electrical aspects of lightning strike to humans | 549 |
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Common terms and phrases
amplitude antenna avalanche background electric field calculated cathode channel base current charge centre charge density cloud flashes collisions components conductor connecting leader Cooray corona current current waveform dart leader decreases distance distribution droplets electric field derivative electrical breakdown electromagnetic fields electron avalanche electrons energy equation flashover Geophys given graupel ground flashes IEEE Trans increase induced voltage initial ionisation KRIDER leader channel lightning channel lightning current lightning discharge lightning flashes lightning protection lightning return stroke lightning stroke magnetic field measured negative charge observed obtained overhead line overvoltages parameters particles peak current positive charge positive streamers propagation effects pulses radiation field return stroke channel return stroke current return stroke front return stroke model return stroke speed shown in Figure simulation space charge stepped leader streamer stroke location structure subsequent return strokes surface temperature thunderstorms transmission line triggered lightning UMAN unit length vertical waveform