Przemienniki częstotliwości są elementem niezbędnym przy napędzie maszyny, która ma pracować z zgodnie z określonymi parametrami. Wybierając przemiennik, warto poznać ich rodzaje dostępne na rynku. W automatyce przemienniki częstotliwości potocznie nazywa się falownikami, dlatego w artykule będziemy posługiwać się tymi nazwami zamiennie.
The study presents the organization, mechanization and technology in the field of modernization and maintenance of Polish National Railway (PKP) lines, as well as in relation to the activities of the DOLKOM- Wroclaw company. Attention has been drawn to the major overhaul technology (resurfacing), the exchange of switches, surface maintenance and repair of the rail-bed (subgrade). The technological requirements, regarding the renovation and modernization of surface and rail-bed in the PKP railway network, have been discussed. In the field of rail-bed renovation, attention has been focused on the process of technological modernization of the track using a specialized multifunctional machine AHM-800R.
The text discusses current problems of the public rail transport in the Wroclaw agglomeration, as well as the opportunities for its extension and future plans of the Wroclaw Municipality in that respect.
Wroclaw agglomeration is presented in the structure of the national and international transport system as well as directions of development of basic transport modes in Wroclaw. The situation of intermodal transport in Poland against the background of Europe and other countries was presented. Attention was drawn to the technical and technological problems of existing intermodal transport terminals in the Wroclaw agglomeration. The economic premises of the International Logistic Centre in Wrocław and the concepts of the Centre’s construction are discussed. The PKP PLK Wroclaw Osobowice station was proposed as the location of the Logistic Centre, whose main technological element is the intermodal transport terminal.
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