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## Electrical Installation Calculations

### Electrical Installation Calculation Volume 1 PDF by B.D. Jenkins, M. Coates

##### Book Description:

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.

##### Book Content:

Chapter 1 Calculation of the Cross?Sectional Areas of Circuit Live Conductors (pages 1–39):
Chapter 2 Calculation of Voltage Drop Under Normal Load Conditions (pages 40–64):
Chapter 3 Calculation of Earth Fault Loop Impedance (pages 65–100):
Chapter 4 Calculations Concerning Protective Conductor Cross?Sectional Area (pages 101–125):
Chapter 5 Calculations Related to Short Circuit Conditions (pages 126–152):
Chapter 6 Combined examples (pages 153–174):

### Electrical Installation Calculations: For Compliance with BS 7671:2008, Fourth Edition PDFAuthor(s): Mark Coates, Brian Jenkins(auth.)

Publisher: Wiley-Blackwell, Year: 2010

ISBN: 9781444324266,9781444324273

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