Normandie bridge – Grand canal viaduct

Bridges Lighting
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Project feautures

  • TOTAL POWER: 800 kVA
  • TRANSPORT VOLTAGE: 5500 V
  • NETWORK DISTANCE: 8 KM
  • LOCATION: France
  • YEAR: 2022

PROJECT OBJECTIVES

Reduce cable cross-sections and use electrical equipment designed to operate in wetlands. No electrical source available on bridge.

CUSTOMER NEEDS

Power supply for bridge lighting, indoor electrical installations, enhancement lighting and power for signalling and surveillance.

CUSTOMER NAME 

BOUYGUES

Alimentation de l’éclairage du pont de Normandie
pont-de-normandie-2

OUR SOLUTIONS IMPLEMENTED

From a 5500 V three-phase network, step-down transformers will be installed in buried pits or in the segment of the bridge. Watertight, corrosion-proof, and low-maintenance transformers.

MATERIAL USED

20 watertight transformers MODULO single phase 5 kVA 5500 V / 230 V,
24 watertight transformers MODULO three phase 5500 V / 400 V de 10 à 50 kVA
2 step-down substation PTMI 100 kVA 5500 V 400 V

CUSTOMER BENEFITS

WATERTIGHT (IP68) AND CORROSION RESISTANT TRANSFORMERS, OFFERING A LONG LIFETIME

REDUCED MAINTENANCE

CENTRALIZED POWER SUPPLY FROM ONLY ONE SUBSTATION