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وصف كتب مصر
Electric traction is the most favourable type of power supply for electric
railways from both ecological and economic perspectives. Its reliability
largely depends on contact lines, which must operate reliably in all climatic
conditions with as little maintenance as possible. Extreme demands arise when
overhead contact lines are required to provide reliable and safe power
transmission to electric traction vehicles travelling at speeds in excess of
The authors have used their world-wide experience to provide comprehensive
descriptions of configuration, mechanical and electrical design, installation
and operation of contact lines for electric railways on local and long-distance
transportation systems, including high-speed lines.
The book provides students and those embarking on a career in this field with
a detailed presentation of the subject, including the electromechanical and
structural requirements. Railway company professionals and manufacturers of
contact line systems will find practical guidance in the planning and
implementation of systems, as well as appropriate specifications and the
technical data they will need, including standards and other regulations. Since
large sections of the book are dedicated to the system aspects, consultant
engineers can also use it as a basis for designing systems and interfaces to
other subsystems of electric railway engineering.