Multimodal site – Dourges, France

Lighting Railways
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Project feautures

  • TOTAL POWER: 2500 kVA
  • TRANSPORT VOLTAGE: 5500 V
  • NETWORK DISTANCE: 6 KM
  • LOCATION: Dourges, France
  • YEAR: 2002

PROJECT OBJECTIVES

Supply 5.5kV – lighting railways and platforms

Railways:
– Power supply of 22 masts distributed over two 5500 V contactor
– Departure 1 will have a total width of 2480m
– Departure 2 will have a total width of 2070m

CUSTOMER NEEDS

Assurance of minimum lighting in case of default in one of the transformers.

Available voltage: 20 kV plateforme.

CUSTOMER NAME 

CEGELEC / SATELEC

OUR SOLUTIONS IMPLEMENTED

  • IN ACCORDANCE WITH THE FRENCH STANDARD C 52 410 THEY POWER THE MAXIMUM HPS LAMPS ACCORDING TO THE USEFUL POWER OF SAID TRANSFORMERS.
  • POWER SUPPLY THROUGH TWO TRANSFORMERS TO ENSURE MINIMUM ILLUMINATION.
  • DIMER PROVIDING STABLE POWER AND ENERGY SAVINGS BY REDUCING THE LAMP POWER SUPPLY VOLTAGE.

MATERIAL USED

1 step-down transformer station 20 kV / 5.5 kV

Network created via 3×25 mm² and 3 x 16 mm² cables.

Transformer 5500 V / 230 V 8 kVA: useful power 6,4 kVA
Transformer 5500 V / 230 V 10 kVA: useful power 8 kVA
Transformer 5500 V / 230 V 16 kVA : useful power 12,8 kVA

CUSTOMER BENEFITS

USE OF A CONTINUOUSLY POWERED NETWORK

LOW VOLTAGE DROP

WATERTIGHT TRANSFORMER