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Energy Efficiency on the Underground


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As the number of passengers carried by the Tube rises each year, so does its energy footprint. This lecture looks at energy consumption by the London Underground system from the perspective of recent upgrades.

Date and Time

26 April 2013 - 14:00-15:30


London, United Kingdom - icon_popup  (See map)


Organised by the London local network.

About this event

As the population of London expands and the Tube is upgraded to run a more intense service the energy footprint of London Underground has grown. The energy consumed underground manifests itself as heat. In many cases advanced and sophisticated cooling schemes are required to remove this heat. Going forward it is essential that more is done to reduce energy consumption, particularly to avoid expensive and complex cooling schemes where possible.
The presentation will explore energy consumption on the Underground focussing on the impact of recent line upgrades. The presentation will describe energy efficiency measures that have been investigated by London Underground including energy efficient run profiles, lower resistance conductor rails and inverting substations.

About the speaker

Dr Martyn Chymera is the lead Performance Engineer for the Deep Tube Programme at London Underground. Martyn has led the Traction Energy Efficiency Study for London Underground, investigating a range of energy saving solutions and determining priorities for reducing energy consumption on the Underground network. Prior to joining London Underground Martyn completed a Engineering Doctorate at the University of Manchester, UK, investigating the installation of on board energy storage for light rail. Martyn is the chairman of the Young Railway Professionals.


12.00 - 12.30  Meet in the Kelvin Lounge to pay for lunch

12.30 - 13.45  Lunch

14.00 - 15.30  Lecture and discussion


Lecture free; Lunch £13.65 (payable at the event)

Registration information

The Friday Lunch Club meet at 12.30 for lunch prior to the lecture. If you would like to join them please contact Brian Lovell, or telephone: 020 8995 0661 by the previous Tuesday evening for the lunch and lecture, and by the Thursday evening for the lecture only.

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