Since the Stevens family has a long history with the railroad, the following seemed an apt candidate for the source of the week:
Technologies for increased energy efficiency in railway systems
Abstract: This article gives an overview of the various possibilities of increased energy efficiency in electrical railway systems. Not only the power systems in the main traction circuit are emphasized, but also efficient solutions arising from auxiliary-optimization, reduced weight of the vehicles, aerodynamics and efficient rail automation. The main focus is on the application of energy storage in traction systems. The stationary installation in substations is described and the advantages demonstrated in a number of applications using different main strategies. A wide and varied range of benefits arise from the typical application situation.
Source: 2005 European Conference on Power Electronics and Applications
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