Автор:Mark Coates Год: 2010 Издание: [не указанo] Страниц: 202 ISBN: 9781444324266 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,...
