DRES was delighted to welcome Neal Fleming, Senior Programme Manager and Ralph Swaney, Head of Technical Services (Electrical, ETCS & Cyber) both from Porterbrook, to provide an update of the Long Marston infrastructure upgrade project which includes construction of the UKs only continuous 25kV electrified test loop and energised sidings for the warm store of AC EMUs.

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Infrastructure construction and testing is now complete, with rolling stock operational testing currently in progress in readiness for the forthcoming launch of commercial operations. Neal provided an update of the challenges and achievements of the construction and testing phases. Ralph then focused in more depth on the 25kV electrification of the test track, including the novel rolling stock current Rail Charging Converter (RCC) developed by Siemens, which converts the domestic site11kV 3-phase supply into 25kV single phase.