Tunnel Inelfe – Lighting – Work phase

Lighting Tunnels
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Project feautures

  • TOTAL POWER: 100 kVA
  • TRANSPORT VOLTAGE: 5500 V
  • NETWORK DISTANCE: 8.4 KM
  • LOCATION: Santa Logaia, Spain
  • YEAR: 2012

PROJECT OBJECTIVES

Tunnel lighting from 0 to 5000 meters Lighting power supply – 200 Fluo 56 W lamps and two 20 kW pumps from the tunnel construction phase.

CUSTOMER NEEDS

The installation will be installed in an existing substation. The 950 V solution does not power the lighting and the pumps. Altitude less than 1000m and maximum temperature of 55°C.

CUSTOMER NAME 

EIFFAGE

OUR SOLUTIONS IMPLEMENTED

  • FROM THE TRANSFORMER STATION, A TRIPOLAR CABLE FEEDER, SPECIFIED 66 KV
    with copper conductor of 3×25 mm2 of section feeds a 25 kVA step-down transformer and a 80 kVA transformer type TER 3200 V / 400 V + N


  • USING A PERMANENTLY POWERED NETWORK, THE LIGHTING WILL ALWAYS BE SWITCHED ON

MATERIAL USED

One step-up substation supply one step-down transformer 25 kVA
One step–down transformer 80 kVA TER 3200 V / 400 V + N type

CUSTOMER BENEFITS

USING A PERMANENTLY POWERED NETWORK

LOW VOLTAGE DROP

WATERTIGHT IP 68 TRANSFORMER