Battery-powered tramways are a type of public transportation system that rely on batteries for power. New projects in this field often focus on lithium-ion (Li-ion) batteries, which is a family of electrochemistries that has developed over the last 30 years. One relatively new type of Li-ion battery is Lithium Titanate Oxide (LTO).
For reliable service, a tram should be built for 30-40 years. Saft sized the batteries to provide a lifetime of at least seven years, matching CAF’s maintenance intervals.
Battery trams offer the opportunity to run high capacity public transport through city centres, while saving millions on installing wires and reducing the visual impact on beautiful historic streets, like Florence.
Consider a typical urban tramway with stops located 500m apart, a speed of 50km/h (31mph) between stops, and an acceleration rate of 1.3m/s/s. During acceleration, mechanical power input is converted to kinetic energy of around 5MJ. To overcome rolling resistance over the 500m between stops will require 0.51MJ (0.14KWh).
In Florence, battery powered trams have been tested since 2021. Fitted to trams on the existing Sirio fleet, the battery technology enables the trams to operate on a section of the line entirely under battery power, without the use of overhead infrastructure.
Nice’s Citadis trams use battery power to cross the Place Masséna instead of using overhead wires or a third rail. The city was keen to avoid the visual intrusion of overhead wires or the complexities of a third rail supply in historic squares. Image courtesy of N. Pulling
How many batteries
How many batteries. Thread starter jeepkid; Start date Jun 4, 2013; Tags forestriverforums Jun 4, 2013 #1 JE. jeepkid Member. Joined Jun 3, 2013 Messages 10. Hello we have just picked up a 292bhs prime time lacrosse and im concerned that the dealer got cheap and gave us just one battery. In fact they gave us a dual purpose battery not even a deep cycle …
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Innovative Technologies for Light Rail and Tram: A European …
The most important are (a) very long-life batteries that allow electric trams and trains to operate over substantial distances "off the wire"; (b) charging devices that boost battery life by recharging at stops en route – e.g. the supercapacitator technology demonstrated at the 2010 Shanghai Expo, or the induction system employed by Bombardier ...
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Hitachi Rail''s battery-powered tram technology offers the major benefit of requiring no electrified infrastructure. Our trams can operate on sections of routes with no overhead wires, such as …
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However, their energy density is generally less than batteries on a kilo-for-kilo basis so they are therefore more suitable for intermittent operation with high power peaks. …
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The purpose of this paper is to explore the concept of utilising stationary Electric Vehicle (EV) batteries in a P&R facility to act as lineside energy storage for urban dc tram …
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The purpose of this paper is to explore the concept of utilising stationary Electric Vehicle (EV) batteries in a P&R facility to act as lineside energy storage for urban dc tram systems as a method of reducing the capital expenditure required to achieve operational efficiency improvements in the tram system.
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In Florence, battery powered trams have been tested since 2021. Fitted to trams on the existing Sirio fleet, the battery technology enables the trams to operate on a section of the line entirely …
Learn More
Powering trams
Supercapacitors are ideal for this purpose; they can handle high power flows, and don''t have the intrinsic lifetime limits of batteries – current thinking suggests a useful life of …
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Acumulador de Carga Rápida
Acumulador de Carga Rápida (ACR) (transl. fast-charging battery) is a battery electric tram system marketed by Construcciones y Auxiliar de Ferrocarriles (CAF) of Spain. Trams …
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Battery Powered Trams
In Florence, battery powered trams have been tested since 2021. Fitted to trams on the existing Sirio fleet, the battery technology enables the trams to operate on a section of the line entirely under battery power, without the use of overhead infrastructure. Power is returned to the batteries when the train brakes, reducing the overall amount ...
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Smaller batteries are used in devices such as watches, alarms, or smoke detectors, while applications such as cars, trucks, or motorcycles, use relatively large rechargeable batteries. Batteries have become a significant …
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The most important are (a) very long-life batteries that allow electric trams and trains to operate over substantial distances "off the wire"; (b) charging devices that boost battery life by …
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Attempts to use batteries as a source of electricity were made from the 1880s and 1890s, ... On many tram systems where tracks diverge, the driver chooses the route, usually either by flicking a switch on the dashboard or by use of the power pedal – generally if power is applied the tram goes straight on, whereas if no power is applied the tram turns. Some systems use automatic …
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However, their energy density is generally less than batteries on a kilo-for-kilo basis so they are therefore more suitable for intermittent operation with high power peaks. Developments in technology, however, mean that ultimately they will likely overtake batteries; they store electrons… and there is not much that is smaller.
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Acumulador de Carga Rápida
Acumulador de Carga Rápida (ACR) (transl. fast-charging battery) is a battery electric tram system marketed by Construcciones y Auxiliar de Ferrocarriles (CAF) of Spain. Trams equipped with ACR are fast-charged while at stops; elsewhere they require no overhead line, which is desirable for reasons of safety, reliability, cost, and aesthetics.
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Battery Tram Technical Specification
Hitachi Rail''s battery-powered tram technology offers the major benefit of requiring no electrified infrastructure. Our trams can operate on sections of routes with no overhead wires, such as historic city centres, and offer range increase of up to 5km. It''s flexible too.
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Hitachi Rail successfully tests first battery-powered tram
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Six trams, built by CRRC Puzhen under Bombardier license, operate without overhead cables on 90 per cent of the lines. The batteries are charged seamlessly during passenger service via the pantograph, statically at tram stops, and dynamically during acceleration.
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Powering trams
Supercapacitors are ideal for this purpose; they can handle high power flows, and don''t have the intrinsic lifetime limits of batteries – current thinking suggests a useful life of five to seven years before battery replacement. They will add around 2% cost to the vehicle, and less than 1% to the weight (approx. 300kg) with their control ...
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Sizing the Li-ion batteries is relatively straightforward for tramway applications. As trams run the same route, day-in day-out, an engineer has an accurate estimate of how much power and energy the batteries will require. So, the maths are relatively easy to calculate once the maximum passenger capacity, the temperature range of the local ...
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