Electrical installation handbook, Vol. 2: Electrical devices

Electrical installation handbook, Vol. 2: Electrical devices
ABB SACE, 2 Ed | 2004 | ISBN: N/A | 236 pages | PDF | 1,4 MB

Scope and objectives
The scope of this electrical installation handbook is to provide the designer and
user of electrical plants with a quick reference, immediate-use working tool.
This is not intended to be a theoretical document, nor a technical catalogue,
but, in addition to the latter, aims to be of help in the correct definition of
equipment, in numerous practical installation situations.
The dimensioning of an electrical plant requires knowledge of different factors
relating to, for example, installation utilities, the electrical conductors and other
components; this knowledge leads the design engineer to consult numerous
documents and technical catalogues. This electrical installation handbook,
however, aims to supply, in a single document, tables for the quick definition of
the main parameters of the components of an electrical plant and for the selection
of the protection devices for a wide range of installations. Some application
examples are included to aid comprehension of the selection tables.
Electrical installation handbook users
The electrical installation handbook is a tool which is suitable for all those who
are interested in electrical plants: useful for installers and maintenance technicians
through brief yet important electrotechnical references, and for sales engineers
through quick reference selection tables.
Validity of the electrical installation handbook
Some tables show approximate values due to the generalization of the selection
process, for example those regarding the constructional characteristics of
electrical machinery. In every case, where possible, correction factors are given
for actual conditions which may differ from the assumed ones. The tables are
always drawn up conservatively, in favour of safety; for more accurate
calculations, the use of DOCWin software is recommended for the dimensioning
of electrical installations.

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