Get Overvoltage Protection of Low Voltage Systems, Second PDF

By Peter Hasse

ISBN-10: 0852967810

ISBN-13: 9780852967812

This hugely illustrated and sensible e-book surveys strategies to be had to guard LV apparatus and platforms from lightning moves and different surges. After analyzing the actual origins and results of those phenomena, it concentrates at the parts and purposes of protecting measures and platforms, positioned within the context of present IEC and VDE criteria. This particular e-book presents the reader with a radical heritage in nearly each point of lightning and its effect on electric and digital gear. The contents diversity from easy discharge tactics in air via temporary electromagnetic box new release and interplay with overhead traces and underground cables, to lightning security and checking out options. This publication is of price to an individual designing, fitting or commissioning apparatus, which should be secured opposed to lightning moves, in addition to being a legitimate creation to investigate scholars operating within the field.Also available:High Voltage Direct present Transmission, second variation - ISBN 9780852969410SF6 Switchgear - ISBN 9780863411236The establishment of Engineering and know-how is among the world's major expert societies for the engineering and expertise group. The IET publishes greater than a hundred new titles each year; a wealthy mixture of books, journals and magazines with a again catalogue of greater than 350 books in 18 diversified topic components together with: -Power & power -Renewable power -Radar, Sonar & Navigation -Electromagnetics -Electrical dimension -History of expertise -Technology administration

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Sample text

On 26 March 1987, a 78 million dollar Atlas Centaur rocket went out of control 51 seconds after its launch from Cape Canaveral and had to be destroyed over the Atlantic together with its freight, an 83 million dollar Pentagon satellite. The reason for the loss of control was a lightning strike to the nose of the rocket. A piece of fibreglass from the wreck revealed a carbonized hole, having a diameter of about 5 cm, which was very similar to the holes registered after lightning strikes to airplanes.

All external components of the control system are connected to a central computer by station computers and bus connections. 2 k, a and b). 2 l, b). For this production phase this was the only machine available (maximum capacity machine). A longer standstill of production, due to some difficulties in obtaining spare parts for this machine, caused problems in delivery and a great loss of income. 2 l (a) Surge damage at a printing press was a cable fault in the 20 kV power supply system, causing surges in the low-voltage system.

Teil 1: Allgemeine Grundsätze’ (VDE Verlag, GmbH, Berlin/Offenbach), Aug. 1996 IEC 61312-1: 1995-02: ‘Protection against lightning electromagnetic impulse. Part 1: General principles’. Central de la Commission Electrotechnique Internationale. 1995 DIN VDE 0185 Teil 103: ‘Schutz gegen elektromagnetischen Blitzimpuls. Teil 1: Allgemeine Grundsätze’. (IEC 1312-1: 1995, modifiziert,) (VDE Verlag, GmbH, Berlin/Offenbach) Sept. 1 a): ûE = îRst This voltage drop ûE, however, is not dangerous for the protected system, if the lightning protection equipotential bonding has been installed effectively.

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Overvoltage Protection of Low Voltage Systems, Second Edition by Peter Hasse

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