نتایج جستجو برای: railway power conditionerrpc

تعداد نتایج: 500634  

2017
Bo Ying

Making great strides in social economy, demands for the material is growing, at the same time,it also stimulates the development of logistics.The railway-water combined transportation of our country is being into a golden opportunity, With the support of national policy and the improvement of railway transportation capacity,it's preparing for the development conditions of the railway-water comb...

Journal: :Rel. Eng. & Sys. Safety 2015
Liu Hong Min Ouyang Srinivas Peeta Xiaozheng He Yongze Yan

The economy of China and the travel needs of its citizens depend significantly on the continuous and reliable services provided by its railway system. However, this system is subject to frequent natural hazards, such as floods, earthquakes, and debris flow. A mechanism to assess the railway system vulnerability under these hazards and the design of effective vulnerability mitigation strategies ...

Journal: :The Transactions of The Korean Institute of Electrical Engineers 2013

2005
Teruo Kobayashi

In 2001, railways in Japan carried 21.79 billion passengers (25.1% of all passenger transport) or 384.5 billion passenger-km (27% of all passenger transport). Rail freight totalled 59 million tonnes (1.0% of all freight transport) or 22.2 billion tonnekm (3.8% of total), clearly indicating that Japanese railway operators are almost exclusively passenger companies. Following the 1987 privatizati...

Journal: :Journal of epidemiology and community health 2011
Sabine Kunrath Jens Baumert Karl-Heinz Ladwig

BACKGROUND While coverage of a celebrity suicide in the mass media may trigger copycat suicides, evidence for the effect of media reports of non-prominent suicides is moderate. Diversification of current media may raise further doubts as to whether their influence on suicidal acts is still present. We examined whether widespread media coverage of a railway accident, in which several people were...

In this article, multiple-product PVRP with pickup and delivery that is used widely in goods distribution or other service companies, especially by railways, was introduced. A mathematical formulation was provided for this problem. Each product had a set of vehicles which could carry the product and pickup and delivery could simultaneously occur. To solve the problem, two meta-heuristic methods...

Journal: :Energies 2023

The railway system is one of the safest, most efficient, and environmentally friendly means land transport for people goods. However, as demand mobility has increased, current shown some weaknesses, requiring an increase in catenary power order to be able supply longer trains faster locomotives, well rail traffic. This paper proposes a control algorithm implemented sectioning post-Rail Power Co...

Journal: :Noise & health 2014
Sibylle Pennig Arthur Schady

In some regions the exposure to railway noise is extremely concentrated, which may lead to high residential annoyance. Nonacoustical factors contribute to these reactions, but there is limited evidence on the interrelations between the nonacoustical factors that influence railway noise annoyance. The aims of the present study were (1) to examine exposure-response relationships between long-term...

2014
O. Mirza Y. He S. Kaewunruen S. Krezo

Carbon pollution has become a sensitive topic across the globe in recent times. In Australia, incentive has been provided to industry in order to reduce carbon emissions in heavy polluting industries. The railway transportation system is one of the industries expected to reduce the emissions and contribute to a long term reduction strategy, although comparatively rail sector contributes much le...

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