Alstom and London Underground won awards this year from both Railway Industry Awards and Transport Times in the UK for Hesop, Alstom’s advanced reversible power-supply substation. Hesop has been in commercial service at the Cloudesley Road station for a year to serve the London Underground’s Victoria Line, bringing full satisfaction to the customer.
Hesop works by converting and transferring any unused power, generated by the trains during braking, to the medium voltage loop for re-use within the network. The Hesop control system ensures that the energy is recovered via the most efficient route that the infrastructure will permit. Hesop allows to recover more than 99% of the traction energy generated during braking, which is usually lost, thereby reducing CO2 emissions through reduced energy consumption.
“Should Hesop be installed more widely across the Underground, there are huge potential benefits in both energy reduction and also in relation to tunnel cooling which I’m sure would be welcomed by commuters,” said Terence Watson, Alstom Managing Director in the UK & Ireland.
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