TITLE

Wire-free trams -- an environmental advantage?

AUTHOR(S)
Hondius, Harry
PUB. DATE
August 2009
SOURCE
Railway Gazette International;Aug2009, Vol. 165 Issue 8, p40
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
This article looks at alternatives to overhead wires for powering trams. It identifies superconductors, energy storage and innovative power supply systems among the alternatives. It discusses the selection of 10:1 ratio between the usable energy content from the battery and supercapacitors by Siemens. In addition, the article explores the emergence of technologies that combine useful energy savings with the possibility of traveling for relatively short distances.
ACCESSION #
43985688

 

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