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Success Story: Hospitals

China State Construction Engineering Corporation (Algeria)

Electrical supply of the Hospital-University Establishment of Oran

Success Story: Hospitals



Customer profile:

Specialised in civil engineering and based for many years now in Algeria, CSCEC has been selected by the Health Department for the "turnkey" production of the new Oran Hospital-University Establishment (EHU).


Customer objective and constraints:

Located in Oran, the second largest city in Algeria with 1 500 000 inhabitants, this new hospital has recently replaced the former establishment built in 1883. It is one of the largest in Africa with 18 operating theatres and a capacity of 500 beds that can be extended to 1200.




Implementation methodology (main phases):

  • Electrical network design,
  • MV/LV equipment,
  • protection and coordination studies.

Schneider Electric has contributed to definition of the network architecture as well as conducting the protection and coordination studies.


Solution overview (services, products, systems, architectures...):


  • Electrical network design
  • Protection and coordination studies
  • Commissionning complete primary MV/LV electrical distribution system


  • Medium voltage equipment,
  • Low voltage
  • Medium voltage equipment,
  • Low voltage equipment,
  • Power supplies (UPS),
  • Power factor correction and harmonic filtering



Customer benefits:

Installed power is 12 MVA. The electrical distribution network architecture has been defined so as to guarantee the safety and comfort of patients and provide an optimum technical and economic compromise.

The electrical supply of the Oran hospital implements high-reliability solutions while also reducing installation and operating costs.


Schneider Electric differentiating values VS competitors:

Overall dimensions, provision for future extension, reliability and ease of operation were the main equipment choice criteria.


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Solution breakdown

Main services:
  • Engineering services: Services
  • Electrical network studies
  • Power Quality studies
  • Design
  • 4 SM6 36 kV switchboards (37 cubicles),
  • 12 Trihal 1000 kVA dry type resin-coated MV/LV transformers,
  • 3 Okken main LV switchboards (41 columns),
  • 3 Prisma LV switchboards (6 columns),
  • 61 Prisma LV switchboards (103 columns),
  • 2900 m heavy current prefabricated busbar trunking systems (3000 A - 2000 A - 1600 A - 1000 A),
  • 12 power factor correction and harmonic filter banks (300 kVAR),
  • UPS (uninterruptible power supplies)
  • 1 emergency lighting system,
  • 1 normal lighting system.