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50kV Autotransformer Traction Supply Systems - the French Experience, IEE Colloquium on

Date 9 Nov 1993

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Displaying Results 1 - 5 of 5
  • Why the 2×25 kV alternative? [autotransformer traction supply]

    Publication Year: 1993, Page(s):1/1 - 1/4
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (140 KB)

    The author describes how it was the electrotechnical aspect in the form of reduction of losses on lines which was attractive in 2×25 kV traction power feeds in France; the first application was in 1981 on the new Paris-Lyon high speed railway line; this made it possible to avoid costly construction of high voltage lines to connect substations to the national grid distribution network. It soo... View full abstract»

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  • SNCF relations with the power supplies

    Publication Year: 1993, Page(s):2/1 - 2/4
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (136 KB)

    EDF, the public utility national grid in France, requires its customers to observe rules so that unacceptable phenomena will not be generated on the high voltage network, the aim being to provide power to its adjacent customers under good conditions and without interference. These rules or technical conditions for connection are based on standards for electromagnetic compatibility such as IEC Stan... View full abstract»

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  • Earthing, protection, miscellaneous [of railway power systems]

    Publication Year: 1993, Page(s):4/1 - 4/3
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (104 KB)

    The considerable increase in recent years of the per unit power of trains as well as their frequency has led the SNCF to take steps to simplify substation traction current return and to limit dangerous parasite voltages which might occur at the level of the rails and the earth. The authors describe how the most effective protection consists of interlinking to the rails the largest number of meshed... View full abstract»

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  • IEE Colloquium on `50kV Autotransformer Traction Supply Systems the French Experience' (Digest No.1993/209)

    Publication Year: 1993
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (16 KB)

    The following topics were dealt with: electric railways; traction; power systems; power supply; autotransformers; substations; EMI; EMC; harmonics; protection; switchgear; and earthing View full abstract»

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  • The autotransformer and other equipment [for railway power supply]

    Publication Year: 1993, Page(s):3/1 - 3/4
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (148 KB)

    The author describes the two types of equipment for 2×25 kV railway traction power supply installations: equipment specific to this alternative which is confined to substation transformers (high voltage or very high voltage/2×25 kV) and autotransformers for traction stations (50/25 kV); and, the remainder of equipment which is identical to that used in conventional single-phase 25 kV e... View full abstract»

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