Электронная книга: Jenkins B. D. «Electrical Installation Calculations. For Compliance with BS 7671:2008»

Electrical Installation Calculations. For Compliance with BS 7671:2008

Manual calculations are still extensively used and in particular are necessary for checking and verifying various software calculation design packages. It is highly recommended that users of such software familiarise themselves with the rudiments of these calculations prior to using the software packages. This essential book fills the gap between software and manual calculations. It provides the reader with all the necessary tools to enable accurate calculations of circuit designs. Rather than complex equations, this book uses extensive worked examples to make understanding the calculations simpler. The focus on worked examples furnishes the reader with the knowledge to carry out the necessary checks to electrical cable sizing software programmes. Other key features include: Updated information on 230 volt references and voltage drop under normal load conditions New sections on buried cables that take into account soil thermal conductivity, trenches and grouping, allowing readers to carry out accurate cables sizing Information and examples of steel wired armour cables, new to this edition. This includes sufficiency during short circuits and, for cables with externally run CPCs, gives unique fault conditions. Covers calculations of cross-sectional areas of circuit live conductors Earth fault loop impedances Protective conductor cross-sectional areas and short circuit conditions Short circuit protection. The last chapter combines all of the calculations of the previous chapters to enable the reader to complete an accurate design of an installation circuit under all conditions. A unique tool for detailed electrical installation trade, Electrical Installation Calculations, Fourth Edition is invaluable to electricians, electrical designers, installers, technicians, contractors, and plant engineers. Senior electrical engineering students and technical colleges, junior engineers, and contracts managers will also find this text useful.

Издательство: "John Wiley&Sons Limited"

ISBN: 9781444324280

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  • Jenkins — may refer to:People with the surname Jenkins: *Jenkins (surname) *The Jenkins, country music groupIn places in the US: *Jenkins, Kentucky *Jenkins, Minnesota *Jenkins County, Georgia *Jenkins Township, Minnesota *Jenkins Township, Pennsylvania… …   Wikipedia

  • Jenkins — bezeichnet: Jenkins (Familienname), dort auch Namensträger Jenkins (Krater), einen Mondkrater Jenkins (Software), eine Software für die kontinuierliche Integration in Softwareprojekten Orte: Jenkins (Kentucky) Jenkins (Minnesota) Jenkins… …   Deutsch Wikipedia

  • Jenkins —   [ dʒeȖkɪnz],    1) Leroy, amerikanischer Jazzmusiker (Violinist, Komponist), * Chicago (Illinois) 11. 3. 1932; gründete 1971 mit dem Bassisten Sirone und dem Perkussionisten Jerome Cooper das »Revolutionary Ensemble«. Jenkins, der seine… …   Universal-Lexikon

  • Jenkins — Jenkins, KY U.S. city in Kentucky Population (2000): 2401 Housing Units (2000): 1122 Land area (2000): 8.539470 sq. miles (22.117124 sq. km) Water area (2000): 0.020489 sq. miles (0.053067 sq. km) Total area (2000): 8.559959 sq. miles (22.170191… …   StarDict's U.S. Gazetteer Places

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  • Jenkins, KY — U.S. city in Kentucky Population (2000): 2401 Housing Units (2000): 1122 Land area (2000): 8.539470 sq. miles (22.117124 sq. km) Water area (2000): 0.020489 sq. miles (0.053067 sq. km) Total area (2000): 8.559959 sq. miles (22.170191 sq. km) FIPS …   StarDict's U.S. Gazetteer Places

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