Bispebjerg Hospital, new power distribution station

Bispebjerg Hospitals nye koblingsstation med højspænding og jording, projekteret af Balslev

To meet the hospital's increasing energy demand, a new power distribution station was established to accomodate an extra 10 kV electrical cable

Due to the increasing power consumption at Bispebjerg Hospital plus the fact that the existing power supply cables from the distributor DONG Energy were close to reaching full capacity, a new power supply cable was needed in order to guarantee sufficient power for the hospital's future demand. In addition, the hospital, dating back to 1913 and hosting more than 1,000 beds and approx. 3,000 employees, is in the process of being expanded by 270 new beds.

As it was impossible to modify the existing, underground power distribution station to also accomodate the new power supply cables, Balslev designed a new distribution station in close co-operation with the technical staff at Bispebjerg Hospital. Together with DONG Energy we calculated the necessary cable conversions on the basis of the new location with better access conditions than the old one.

Balslev was responsible for the design and layout of the new power distribution station, for the tender and contract process plus the subsequent installation and commissioning of the new distribution system.

The station is equipped with 2 distribution systems owned by DONG Energy, hosting their supply cables. From this location the power cables are routed to Bispebjerg Hospital's own distribution system, comprising 7 medium voltage fields: 2 of these supply a 10 kV-ring with power for Bispebjerg Hospital, 2 fields are reserved for a new, future 10 kV ring, and 1 is reserved for a possible future generator system for backup power supply. The remaining 2 high voltage fields are used for DONG Energy's power supply cables.

Selectivity analysis

The project also included a selectivity analysis of the hospital's total 10 kV power supply network. The purpose of the analysis was to:

  • Determine how the power supply can be cut-off step by step in a predetermined order in case of faults in the supply grid, in order to minimize inconveniences caused by power failures
  • Provide recommendations for potential adjustment possibilities in the relay settings of the individual 10 kV stations.








Consultant Jens H. Broch from Bispebjerg Hospital (left) and Asger Illum from Balslev are checking the load in the power new distribution station.

Project engineering tasks

Balslev was responsible for:

  • Project description
  • Preparation of construction descriptions and job descriptions
  • Tendering
  • Contract negotiations
  • Hiring of contractors
  • Medium voltage system
  • Cable routing and cable installations
  • Selectivity analysis
  • Earthing system


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