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 2008 - Nov - Skilton & Clendon - Signalling Considerations for Electrification of the Auckland Metropolitan Rail Network |
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John T Skilton, CPEng, BE (Elect) Hons, MIRSE, MIPENZ, ONTRACKJames D Clendon, CPEng, BE (Elect) Hons, MIPENZ, Booz & Co.By 2013 it is proposed that the Auckland Metropolitan Rail Network (AMRN) will be electrified with a 25kV AC electric traction system. The existing signalling system in Auckland is predominately in excess of 30 years old and not immunised against the effects of electric traction. This paper examines the resignalling requirements for the AMRN to provide electrification immunisation and also provide a control system which meets the operational requirements of the railway. A background to the Auckland network and the resignalling requirements is provided along with a description of the procurement process undertaken. A high level description of signalling and telecommunications considerations for the project is provided along with a more in depth analysis of the requirements for train protection and train detection. |
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