Rail

Alstom Revamps LRVs to Meet Evolving Mobility Needs

Posted on June 4, 2018 by Janna Starcic, Executive Editor

An Alstom Citadis light rail tram making its way through the city center of Reims, France.
An Alstom Citadis light rail tram making its way through the city center of Reims, France.
The French port town of La Rochelle is home to an Alstom Transport production facility that builds high-speed and light rail vehicles (LRV) for cities around the globe. The facility, which encompasses design and manufacturing, as well as a two test tracks, produces Alstom’s Citadis low-floor light rail vehicle — 110 per year.  Over 2,400 Citadis trams have been purchased to date by nearly 54 cities around the world (22 in France). More than 60 cities have plans for a tramway system in the next few years, according to Alstom officials.

LRV Redesign
Currently, the facility is manufacturing its newest iteration of the Citadis tram, the X05, for a number of cities, including Nice, France and Casablanca, Morocco. Earlier this year, Alstom began testing and commissioning of the world’s first Alstom Citadis X05 LRV for Sydney’s new 7.4-mile network, currently under construction.

According to the company, the Citadis was upgraded to deliver extra dimensions, capacity, flexibility, speed, and an enhanced passenger experience to allow higher service frequency throughout the day, and thereby, increase the number of people an operator can carry on a network per year.

The new LRVs designed for Sydney, include double-doors for improved access and passenger flows, large balcony style windows, multi-purpose areas, and ambient LED lighting. CCTV monitoring, emergency intercoms, and the latest wayfinding aids for passenger information and real-time travel information are also featured.

The Citadis X05 platform integrates new technologies for lower energy consumption (permanent magnet motors); easier sub-system integration and maintenance; higher speeds of up to 50 mph; operation on existing and new tracks; catenary-free range (besides APS).

The LRV also offers an 11% reduction of maintenance costs based on technical innovations, including an optimized monitoring system; Ethernet network for a quick download of monitoring data from a single access point for the upload of infotainment and passenger information system in manual or automatic wireless mode.

Charging system
Another recent Alstom innovation is its SRS conductive static charging system, which is designed to recharge tramway vehicles equipped with on-board energy storage at ground level, eliminating obtrusive overhead infrastructure equipment. The SRS allows the recharge of on-board equipment (super-capacitors and batteries) by contact in 20 seconds during normal dwell time at passenger stops.  

The SRS is an unobtrusive, compact solution offering easy integration into the cityscape. Control of positioning and power supply functions are integrated within the same equipment (no extra signaling devices required).

As a conductive ground-level solution, SRS is compatible with a wide range of vehicle dimensions (width, height, and length), regardless of the manufacturer.
SRS is composed of fixed infrastructure equipment, leading to facilitated maintenance operations and higher availability of charging spots. This technology is derived from Alstom’s APS ground-level system, which supplies power through a third rail. The APS system for catenary-free tramway operation is in installed in seven cities worldwide with more than 20 million miles run, to date, according to the company.

Workers at Alstom’s La Rochelle, France-based production facility work on a Citadis X05 light rail vehicle.
Workers at Alstom’s La Rochelle, France-based production facility work on a Citadis X05 light rail vehicle.
Reims Tramway
The tram system in Reims, France, which launched April 2011, utilizes a catenary-free APS power supply on a portion (one mile) of its seven-mile system, which helps preserve the look of Reims’ historical city center. The system operates 18 Alstom Citadis trams serving 23 stations, with seven electrical substations.

The 105-foot-long low-floor vehicles are designed to suggest the look of a champagne glass to coincide with the city’s status as the “unofficial capital of the Champagne wine-growing region.”

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