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Journal of Modern Power Systems and Clean Energy 2019年第6期7卷 1684-1696页

作者： Maxime BERGER Ilhan KOCAR Handy FORTIN-BLANCHETTE Carl LAVERTU Polytechnique Montreal MontrealCanada bombardier transportation St-Bruno-de-MontarvilleCanada Ecole de Technologie Superieure MontrealCanada

The three-phase dual active bridge(3 p-DAB)converter is widely considered in next-generation DC grid *** for traditional AC grids,the successful integration of power electronic converters in DC grids requires accurate time-domain system-level *** demonstrated in the existing literature,the development and efficient implementation of large-signal models of 3 pDAB converters are not *** this paper,a generalized average model is developed,which enables system-level simulation of DC grids with 3 p-DAB converters in electromagnetic transient type(EMT-type)*** proposed model is rigorously compared with alternative modeling techniques:ideal-model,switching-function and state-space *** is concluded that the generalized average model provides an optimal solution when accuracy of transient response,reduction in computation time,and wideband response factors are considered.

关键词： Three-phase dual active bridge(3p-DAB) Generalized averaging Large-signal analysis Electromagnetic transient DC–DC conversion

Speed profile optimization of catenary-free electric trains with lithium-ion batteries

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Journal of Modern transportation 2019年第3期27卷 153-168页

作者： Nima Ghaviha Markus Bohlin Christer Holmberg Erik Dahlquist Malardalen University Hogskoleplan 1 72220 Vasteras Sweden RISE SICS Vasteras AB Stora Gatan 36 72212 Vasteras Sweden bombardier transportation Ostra Ringvagen 2 72214 Vasteras Sweden

Catenary-free operated electric trains, as one of the recent technologies in railway transportation, has opened a new field of research: speed profile optimization and energy optimal operation of catenary-free operated electric trains. A well-formulated solution for this problem should consider the characteristics of the energy storage device using validated models and methods. This paper discusses the consideration of the lithium-ion battery behavior in the problem of speed profile optimization of catenary-free operated electric trains. We combine the single mass point train model with an electrical battery model and apply a dynamic programming approach to minimize the charge taken from the battery during the catenary-free operation. The models and the method are validated and evaluated against experimental data gathered from the test runs of an actual battery-driven train tested in Essex, UK. The results show a significant potential in energy saving. Moreover, we show that the optimum speed profiles generated using our approach consume less charge from the battery compared to the previous approaches.

关键词： Electric train Catenary-free operation Speed profile optimization Energy efficiency

Analysis of Fresh Air Volume of Air-conditioning System for Railway Vehicles

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International Journal of Plant Engineering and Management 2018年第3期23卷 172-178页

作者： PU Dong GAO Fei CRRC QingDao Sifang Co. Ltd. Qingdao 266111 China bombardier Sifang (Qingdao) transportation Ltd. Qingdao 266111 China

The relevant standard requirements both in domestic and abroad provide the basis for designing air-conditioning system of railway vehicles present. However, there are great differences in the fresh air volume indicators among different standards requirements, and the requirements of each vehicle procurement contracts are also different. The design of air-conditioning become difficult above these. In this paper, the fresh air volume of different type railway vehicles is analyzed from health and equipment electricity consumption according to the railway vehicles air-conditioning system standard requirements in domestic and abroad. Some advises for designing air-conditioning system of railway vehicles through the fresh air volume calculation and comparison for domestic air-conditioning system of railway vehicles was provided.

关键词： railway vehicle air-conditioning system fresh air volume

A Laboratory Test Bench for Electrical Traction Drives

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A Laboratory Test Bench for Electrical Traction Drives

Event management architecture for the monitoring and diagnosis of a fleet of trains: a case study

11th International Conference on Electrical Machines and Systems

作者： Joseph El Hayek Adam.Genini Grzegorz Skarpetowski Department of Industrial Technologies University of Applied Sciences Western SwitzerlandFribourgSwitzerland Faculty of Electrical and Computer Engineering Cracow University of TechnologyCracowPoland bombardier transportation Ltd ZürichSwitzerland

＜正＞This paper describes a 15 kW test bench dedicated for traction drives investigations.A first comparison between simulations and measurements proves the usefulness of such a mockup,which constitutes a good alternative for finding future novel strategies of power electronics control,traction transformer modeling in term of windings’ coupling effects,as well as the improvement of the system efficiency.

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Journal of Modern transportation 2019年第3期27卷 169-187页

作者： Adoum Fadil Damien Trentesaux Guillaume Branger LAMIH UMR CNRS 8201 Polytechnic University Hauts-de-France59313 ValenciennesFrance bombardier Transport 59154 CrespinFrance SNCF 56 av.Pompidou37700 Saint Pierre des CorpsFrance

In recent years, more and more manufacturers and operators of fleets of mobile systems have been focusing their efforts on studying and developing condi-tional maintenance, monitoring, and diagnostic strategies to cope with an increasingly competitive, unstable, costly, and unpredictable environment. This paper proposes a case study concerning the application of a novel event management architecture, called EMH^2, to a fleet of trains. This EMH^2 architecture, which applies the holonic paradigm, aims to facilitate the monitoring and diagnosis of a fleet of mobile systems. It is based on a recursive decomposition of cooperative monitoring holons. The definition of a generic event modeling, called SurfEvent, is the second key element of the contribution. EMH^2 has been designed to be applicable to any kind of system or equipment up to fleet level. The edge computing paradigm has been adopted for implementation purpose. The EMH^2 architecture is designed to facilitate asynchronous and progressive onboard and off-board deployments. A real-world application of EMH^2 to a fleet of ten trains cur-rently in use, in collaboration with our industrial partner, bombardier Transport, is presented. Three key perfor-mances indicators have been estimated by comparing EMH^2 with the current industrial situation. These indi-cators are (1) the number of fleet maintenance visits,(2) the time needed by a maintenance operator to investigate and diagnose, and (3) the time needed by the system to update data regarding the health status and monitoring of trains. Results obtained outperformed industrial expecta-tions. The paper finally discusses feedbacks from experi-ence and limitations of the work.

关键词： Event management system Holonic architecture Monitoring Diagnosis Condition-based maintenance Rail transportation