Train builder Metrowagonmash (MWM) wanted to ensure that the “Moskva-2020” trains can travel even the longest and steepest sections of track on battery power. That makes them the city’s first trains with emergency traction.
Maurice Leroy, advisor to Moscow’s mayor Sergei Sobyanin, said: “Adding emergency traction batteries to our metro is just the latest example of how Moscow is transforming its public transport network to be safer, more convenient and more comfortable for passengers. Our aim is to improve mobility and quality of life, while helping to drive economic development, making Moscow the world’s best city.”
Space is tight in Moscow’s tunnels – and this gave MWM and its parent company Transmashholding (TMH) the challenge of finding a battery to fit into the limited space under the train floor.
MWM chose Saft’s MSX cells to form the heart of its battery systems. These are up to 30 percent lighter and 40 percent smaller than similar competitor batteries. That made them the only solution on the market able to meet the requirements for safety, performance and size.
Based on nickel battery technology, MSX cells are proven to be inherently safe for passenger services running through Moscow’s underground tunnels. The cells are also capable of providing power for overground sections of the tracks in winters as cold as -40 ˚C.
Ilya Petrov, Saft’s sales manager in Russia said: “Since the beginning of the project, Saft Russia worked closely with MWM and TMH specialists to support them in the design, installation and commissioning of the battery system. Saft specialists also provided support during the metro tests to ensure optimization of the battery and traction systems in operation.”
The first of the new-generation Moskva-2020 trains started operation in October 2020 and Saft is now delivering batteries and accessories under a contract that could eventually extend to 1,376 battery kits for a total of 172 trains.
RUSSIA: The Moskva-2020 trainsets which Transmashholding company Metrowagonmash is supplying for the Moscow Metro are being fitted with underfloor emergency battery traction systems from Saft which enable them to run for up to 6∙5 km without external power.
Saft said the MSX cells designed and manufactured at its Bordeaux factory are up to 30% lighter and 40% smaller than conventional onboard backup batteries, and can operate at temperatures down to -40°C to cope with winter conditions on surface sections of the network.
TAIWAN: Saft has been awarded a contract to supply backup battery packs for the 68 electric locomotives that Toshiba Infrastructure Systems & Solutions is building for Taiwan Railways Administration. Ordered in 2019 at a cost of NT$11bn, the 68 electric locomotives will be TRA''s first since
SERBIA: Colas Rail has awarded Saft and local distributor Goltech a contract to provide almost 800 batteries to provide backup power for trackside signalling, safety and communication equipment along a 58 km section of Corridor X. Colas Rail is modernising the route in partnership with local
ITALY: Hitachi Rail says the successful testing of its first battery-powered tram in Firenze is an important milestone towards it being able to offer catenary-free vehicles for both urban and main line applications. An existing Sirio tram was retrofitted with batteries for
On the Moscow Metro can be found a curious piece of rolling stock – Контактно-аккумуляторный электровоз – battery-electric locomotives converted from retired metro carriages to haul maintenance trains through underground tunnels.
A total of fifteen 81-717 / 714 metro carriages have been converted by «Вагонмаш» (Vagonmash ZAO) at their plant in St Petersburg, classified as 81-580, 81-581 and 81-582. The first two units entered service in 1992, with further units produced between 2002 and 2017.
Intermediate 81-714 carriages were used as a basis for the conversion, with driving cabs and marker lights retrofitted at each end. To allow the locomotives to work with various types of rolling stock, both ‘railway’ SA-3 knuckle couplers and ‘metro’ Scharfenberg automatic coupler were installed at each end.
Recharging of the batteries is possible via the 750V contact rail or from a 380V AC power supply, and once fully charged the locomotive can operate autonomously for 7-8 hours, with up to 30 starting and braking cycles per hour. On level ground the locomotive can haul up to 300 tonnes at 50 km/h, reducing to 70 tonnes on a 6% grade.
Saft won a major order from Metrowagonmash to provide a battery power system to provide emergency traction power for new rail cars destined for the Moscow Metro. The project is Moscow Metro''s first use of onboard batteries to prevent trains being stranded between stations in the event of a power outage.
Saft MSX nickel technology cells will be installed underneath the floor of the new ''Moskva-2020'' coaches. The batteries enable trains to run on their own autonomous power for distances up to 6.5 km and on gradients of up to four percent – the maximum on the network.
In recent years, the entire world has witnessed a significant shift towards sustainable energy solutions, with an increasing give attention to battery technology. Moscow, the vibrant capital of Russia, is not any exception to the global trend. Having its bustling urban landscape and commitment to environmental consciousness, Moscow has been embracing battery technology at an extraordinary pace. This informative article explores the growing acceptance of batteries in Moscow, highlighting the city’s efforts to adopt and promote sustainable energy solutions. сдать акб
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