Motors to improve Mont Blanc Tunnel ventillation
A
Lafert Electric Motors product story
Edited by the Engineeringtalk editorial team
Feb 12, 2002
Sirocco Howden Ventilatoren has selected AEG electric motors to drive a new exhaust air extraction ventilation system to be installed within the newly reconstructed Mont Blanc Tunnel.
Dutch company Sirocco Howden Ventilatoren has selected AEG electric motors to drive a new exhaust air extraction ventilation system to be installed within the newly reconstructed Mont Blanc Tunnel which links France and Italy.
In total 80 special cast iron AG160L frame motors each producing 22kW are fitted to Sirocco Howden fan units which via an automatic system shall provide the tunnel with smoke exhaust ventilation should another fire occur.
The 12km long tunnel was closed in March 1999 when a fire started by a vehicle carrying margarine and flour destroyed a 1.2km section and claimed 39 lives.
One of the recommendations following the fire was the review of the smoke ventilation system.
It is estimated that it has cost Eur 200 million to repair the tunnel AEG smoke ventilation motors from the Volcano range were used on this application.
Designed and tested to withstand a temperature of 200C for a period of 60min while running at full duty load, special attention is given to all external sealing and components, and high-temperature class H insulation is used in the windings.
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