{"id":26022,"date":"2009-02-26T14:29:29","date_gmt":"2009-02-26T14:29:29","guid":{"rendered":"https:\/\/transinfo.pl\/x\/?post_type=inforail&p=26022"},"modified":"2025-01-19T13:03:51","modified_gmt":"2025-01-19T12:03:51","slug":"warszawa-en57-z-silnikami-pradu-przemiennego","status":"publish","type":"inforail","link":"https:\/\/transinfo.pl\/x\/inforail\/warszawa-en57-z-silnikami-pradu-przemiennego\/","title":{"rendered":"Warszawa: EN57 z silnikami pr\u0105du przemiennego?"},"content":{"rendered":"

Trwaj\u0105 prace nad opracowaniem nowego nap\u0119du impulsowego w technologii IGBT z zastosowaniem silników asynchronicznych pr\u0105du przemiennego dla modernizowanych sk\u0142adów EN57. Prace te prowadzone s\u0105 przez ZNTK Mi\u0144sk Mazowiecki, Medcom oraz Emit \u017bychlin. ZNTK Mi\u0144sk Mazowiecki odpowiada za unowocze\u015bnienia w budowie pojazdu, Medcom opracowuje falowniki, natomiast Emit \u017bychlin zajmuje si\u0119 produkcj\u0105 silników. Zw\u0142aszcza silniki (na pr\u0105d przemienny) s\u0105 bardzo ciekaw\u0105 konstrukcj\u0105, poniewa\u017c powstaj\u0105 cz\u0119\u015bciowo z wykorzystaniem komponentów starych silników LK-450 stosowanych w EN57 (na pr\u0105d sta\u0142y). Ze starych silników wykorzystywany jest stojan, który po przekonstruowaniu i regeneracji jest wyposa\u017cany w nowy wirnik. Dzi\u0119ki temu silnik mo\u017cna zabudowa\u0107 w modernizowanym poje\u017adzie bez wi\u0119kszych zmian konstrukcyjnych. Dwa prototypowe silniki przesz\u0142y ju\u017c pomy\u015blnie badania stacjonarne i s\u0105 dopuszczone do produkcji. Nowy silnik cechuje si\u0119 prawie dwukrotnie wi\u0119ksz\u0105 moc\u0105 ni\u017c obecnie stosowane. EN57 z tym silnikiem i falownikami b\u0119dzie mia\u0142 moc 1200 kW zamiast 740 kW obecnie. Dzi\u0119ki temu sk\u0142ad b\u0119dzie odznacza\u0142 si\u0119 parametrami zbli\u017conymi do wspó\u0142czesnych pojazdów oraz umo\u017cliwi podniesienie pr\u0119dko\u015bci maksymalnej do 120 km\/h. Osi\u0105gni\u0119cie wi\u0119kszej pr\u0119dko\u015bci uniemo\u017cliwia konstrukcja wózka i przeniesienia nap\u0119du pozostawiona bez zmian. W za\u0142o\u017ceniach sk\u0142ady z nap\u0119dem asynchronicznym maj\u0105 mie\u0107 mo\u017cliwo\u015b\u0107 jazdy w trakcji ukrotnionej z niezmodernizowanymi EN57, jednak wówczas parametry jazdy b\u0119d\u0105 zmniejszone i dopasowane do w\u0142a\u015bciwo\u015bci trakcyjnych starszego pojazdu. Je\u017celi jazdy próbne prototypowej jednostki potwierdz\u0105 zak\u0142adane osi\u0105gi, wówczas b\u0119dzie szansa na ostateczne wyeliminowanie najwi\u0119kszych wad sk\u0142adów serii EN57 i pochodnych.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","categories":[26],"tags":[3367,3768,18075,2965,3368,961,1279],"class_list":["post-26022","inforail","type-inforail","status-publish","hentry","category-przewoznicy","tag-ed72","tag-ed73","tag-emit-zychlin","tag-en57","tag-en71","tag-medcom","tag-zntk-minsk-mazowiecki"],"acf":[],"yoast_head":"\nWarszawa: EN57 z silnikami pr\u0105du przemiennego? - TransInfo Archiwum<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/transinfo.pl\/x\/inforail\/warszawa-en57-z-silnikami-pradu-przemiennego\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Warszawa: EN57 z silnikami pr\u0105du przemiennego?\" \/>\n<meta property=\"og:description\" content=\"Trwaj\u0105 prace nad opracowaniem nowego nap\u0119du impulsowego w technologii IGBT z zastosowaniem silników asynchronicznych...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/transinfo.pl\/x\/inforail\/warszawa-en57-z-silnikami-pradu-przemiennego\/\" \/>\n<meta property=\"og:site_name\" content=\"TransInfo Archiwum\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-19T12:03:51+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/default\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/transinfo.pl\/x\/inforail\/warszawa-en57-z-silnikami-pradu-przemiennego\/\",\"url\":\"https:\/\/transinfo.pl\/x\/inforail\/warszawa-en57-z-silnikami-pradu-przemiennego\/\",\"name\":\"Warszawa: EN57 z silnikami pr\u0105du przemiennego? 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