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EDF VILLARODIN HYDROELECTRIC POWER PLANT - LIFTING TABLES FOR PELTON WHEELS AND INJECTORS

ADC was mandated by ANDRITZ HYDRO SA for the design and fabrication of heavy handling equipment for the EDF Villarodin hydroelectric power plant, used for periodic visits as well as the replacement of PELTON wheels and wheel injectors in turbine shafts:

  • The main lifting table, dimensions 4.20m x 4.00m, with a capacity of 22.5t over a 2.05m stroke, translates on parallel rails to the inside of the turbine frame; a second set of wheels makes it possible to pass parallel rails to a circular monorail. The table can then turn on itself to access the different injectors.

  • The injectors are then transferred to an auxiliary table of 4.00m x 2.80m, capacity 7.7t, stroke 1.40m for evacuation to the access tunnel.

  • Turbine shaft overview
  • Injectors and wheel
  • Removal of the PELTON wheel
  • Removal and transfer of the injectors onto the auxiliary table
  • Load tests
  • Tables in folded position