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The Chennai Division of Southern Railway will be inducting the 3 phase EMUs into service in the Chennai – Tambaram – Chengalpattu route from tomorrow 20th February 2018 o­nwards. The 3 phase EMUs will be inducted in 9 services as follows:-

6 services between Chennai Beach and Chengalpattu


3 services between Chennai Beach and Tambaram

The first service of the newly inducted 3 phase EMU will start at 08.10 hrs o­n 20thFebruary 2018 from Tambaram and arrive Chengalpattu at 09.15 hrs.

The new 12-car rake comprising of 4 units with solid state IGBT (Insulated Gate Bipolar Transistors) based 3 phase propulsion drive system, all the coaches are provided with many additional features for better passenger journey and additional safety features. Whereas in a conventional rake the seating capacity is 1256 and standing capacity is 3768, the 3 Phase EMU has 1168 seats and provision for 4852 standing passengers which is 20% more than conventional EMU rakes. In Addition, the provision of CCTV Surveillance Cameras in Ladies compartment to strengthen security for women passengers, Provision of Public Address System for Coach Announcements and Private communication channel between Crew are some of the special features. In Addition to fans, Modular Roof Mounted Forced Air Ventilation System supplies 16000 cubic metres of fresh air per hour into the passenger area of the 12 car rake.

Other Salient features of 3 phase EMUs:

Manufactured by ICF, Chennai, the Coaches are fabricated with stainless steel body and provided with electronic sensors for computer monitored speed control and braking system. These coaches are Energy efficient with Higher hauling capacity. There is LED indication for chain pulling, and there is provision for regeneration of 30% power during braking for conservation of energy.

Similar to a Black box in planes, there is Event Recorder for recording the data of train operation and other train control systems. Other features include : Smooth speed control by VVVF technology for comfortable riding / GPS based Passenger Information System for announcement of stations and display as well / LED based lighting for better illumination and energy conservation / Maximum speed – 105 kmph/ Stainless steel body coaches for aesthetic appearance, better durability and safety / Corrosion resistance stainless steel pipelines for more reliability and minimal maintenance. Air-conditioned cab for crew comfort / Emergency stop button in cabin for immediate stop, during emergency situations.

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