References
References
JP “ELEKTROPRIVREDA SRBIJE”, PD’”DRINSKO LIMSKE HIDROELEKTRANE”d.o.o. – B.Bašta, HE “ZVORNIK”, Mali Zvornik, Reconstruction of portal crane 2x110t+2x15t and bridge crane 10t in hydroelectric power plant „ZVORNIK“ Mali Zvornik

Reconstruction and modernization of portal crane 2x110t+2x15t includes replacement of the entire electrical equipment and mechanical equipment partly. To realize this aim it has been necessary to do the following:

  • Replacement of all the electric motors with wound rotor, by adequate ones with squirl cage rotor
  • Replacement of all the couplers that connect the engine and reductor
  • Replacement of all brake system
  • Reconstruction of a cabin
  • Upgrade the control with radio network connection
  • Replacement of all cables, limit-switches and lighting
  • Instalation the system for measuring driving axles load 2x110t
  • Instalation of measuring tension cables with loads larger than 0.5 t, on hooks 2x15t
  • Instalation of measuring wind speed
  • Instalation of fast winch 3,2t weight, and supporting beam on the roof of the crane
  • Speed control by frequency converter on all electro-motors
  • Inspection of all reductors and in accordance with the user replacement of worn elements
  • Making out the electro-mechanic projects of as-built, testing and making the certificate (permission for the use)

Reconstruction and modernization of bridge crane 10t includes delivery, removal of old and installation of new equipment:

  • Replacement of all the couplers that connect the engine and reductor
  • Replacement of all brake system
  • Reconstruction of a cabin
  • Instalation the control of radio network connection
  • Replacement of all cables, limit-switches and lighting
  • Speed control by frequency converter on all electro-motors
  • Inspection of all reductors and in accordance with the user replacement of worn elements
  • Making out the electro-mechanic projects of as-built, testing and making the certificate (permission for the use).
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