On September 18, at InnoTrans, Alstom and Hamburger Hochbahn AG signed a letter of intent to test Alstom’s energy recovery substation Hesop in Hamburg, Germany. The actual order is expected at the beginning of 2019.
“Hesop is our response to operators’ need for enhanced energy efficiency. We are looking forward to introducing our system to Germany. It is an important puzzle piece for the eco-friendly public transportation of the future offering unique economic and environmental benefits,” Jörg Nikutta, Managing Director for Alstom in Germany and Austria said.
Hesop converts and transfers any unused power, generated by trains during braking, to the medium voltage grid 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 recovering more than 99 percent of the braking energy which is otherwise partially lost, thereby reducing CO2 emissions through reduced energy consumption.
Metro systems in Riyadh, London, Dubai and Panama and tramway systems in Sydney and Milan adopted Hesop. In December 2017, Alstom put into service Hesop reversible substation for the Yellow Line of Milan Metro, being the first Hesop 1,500V 4MW.
Share on:
