Power Supply System for the Atacama Large Millimetre Array (ALMA), Chile

The Atacama Large Millimetre Array (ALMA) is an international astronomy facility, consisting of an equal partnership between Europe and North America, in co-operation with the Republic of Chile. On behalf of Europe, the ALMA construction and operations are led by the European Southern Observatory (ESO).

ClientEuropean Southern Observatory (ESO), Munich, Germany
Services Period2008 – 2009
Technical Data
  • 110 kV Over head line:
approx. 150 km
  • 110 kV Substation:
one GIS feeder
  • 110/23kV Transformer:
12 MVA
  • MV switchgears:
42 feeders
  • 23kV Over head line:
27 km
  • Review and updating of conceptual studies
  • Detailed system studies, planning and design of electrical facilities and civil structures
  • Preparation of tender documents
  • Assistance in tendering and contract

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