On June 2, Chengdu metro line 4 has entered into complete commercial service with the opening of the phase two, involving a 20.3 km line and 14 stations. For this project, Alstom has supplied the traction system for a total of 324 metro cars, following two contracts awarded by Chengdu Metro Group in 2013 and 2015 respectively.
Alstom supplied the OptONIX system to Chengdu Line 4, which is specifically designed and developed for the Chinese market. It includes traction inverters, motors, auxiliary converters and a train monitoring system. The OptONIX system is designed to improve operational performance and reduce life cycle costs by using regenerative electrical braking.
Chengdu Line 4 forms part of the city’s core metro network along with Line 1, Line 2 and Line 3. It is 41.3 km long and has 30 stations connecting, Chengdu City from the West to the East. The line passes by important landmarks including Chengdu CBD, Chengdu University, Chengdu Railway Station and Chengdu Hospital.
All traction systems are manufactured by Alstom’s joint venture, Shanghai Alstom Transport Electrical Equipment Co. Ltd. (SATEE) in China, with support from Xi’an Alstom Yongji Electric Equipment Co.and four Alstom sites in Europe.
Alstom has supplied traction systems for Chengdu metro Line 3 and Line 4. Another of the group’s JVs in China, CASCO, supplies the signaling systems for Chengdu metro Line 4 and Line 7. At the end of 2015, Alstom introduced its world advanced Citadis tramway technology for Chengdu’s IT tramway line.
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