Two high-speed trains collide with Railway Minister for testing India-made ‘Kavach’

In Secunderabad on March 4, two trains will move towards each other at full speed, one with the Railway Minister and the other with the Chairman of the Railway Board. But due to ‘Kavach’, both the trains will not collide. ‘Kavach’, which literally means armor, is being promoted by the Railways as the world’s cheapest automatic train collision protection system.

Indigenously developed Automated Train Protection (ATP) system has been developed to help Railways achieve the target of “Zero Accidents”. Kavach is designed to stop a train automatically when it notices another train on the same line within stipulated distance.

Also read: What is KAVACH anti-collision technology and how does it work?

Senior officials said that when the digital system notices any manual error like “jumping” of the red signal or any other malfunction, the trains will also stop automatically. He said that once implemented, it would cost Rs 50 lakh per kilometer to run, while it would cost around Rs 2 crore worldwide.

Railway Minister Ashwini Vaishnav will be in Secunderabad to be a part of the trial run of the system on the Sanathnagar-Shankarpally section. “The Railway Minister and the CRB (Chairman of the Railway Board) will participate in the test to be held on March 4. We will show how the system works in three situations – face-to-face collision, rear-side collision and signal is in danger (SPADES) passed,” said the officer.

A Signal in Danger (SPAD) is passed when a train passes a stop-signal when it is not permitted to do so. The ‘Kavach’ controls the speed of the train by automatic application of brakes in case the loco pilot fails to do so.

“It works on the principle of continuous updating of the movement using high frequency radio communication. It is also compliant with SIL-4 (Safety Integrity Level – 4) which is the highest level of safety certification.

RFID tags are provided on the track for each track and signal for track identification, identification of trains location and train direction. On Board Display of Signal Aspects’ (OBDSA) Signal to Loco Pilots This is to help in checking the on board console even when the visibility is low,” said an official.

Also, once the system is activated, all trains within a range of 5 km will stop on adjacent tracks to provide safety to the trains. Officials said that at present, loco-pilots or assistant loco-pilots usually stick their necks out the window to look for caution signs and signals.

It also includes stationary devices to collect signaling inputs and loco inputs and relay them to a central system for seamless communication with train crew and stations. The first field trials on passenger trains were started in February 2016 and based on the experience gained, the initial specifications of the armor were finalized in May 2017.

Subsequently, an independent safety assessment of the system was conducted by a third party (Independent Safety Assessor. ISA) and based on the development project and ISA safety assessment, three firms were approved by RDSO (Research Design and Standards Organization) of Railways. went. To run trains at a speed of 110 kmph in 2018-19.

Thereafter, based on further tests, the armor is approved for speeds up to 160 kmph. Railways is trying to find more suppliers of this technology.

Announced in the Union Budget for 2022 as a part of the Atmanirbhar Bharat initiative, 2,000 km of rail network is planned to be brought under indigenous world-class technology ‘Kavach’ for safety and capacity addition in 2022-23.

So far, Kavach has been deployed over 1098 km and 65 locomotives in the ongoing projects of South Central Railway. In addition, Kavach is planned to be implemented on the Delhi-Mumbai and Delhi Howrah corridors, which have a total route kilometer of around 3000 km, as a part of the “Mission Raftaar project” to increase the speed to 160 kmph. Tenders are being invited for the works”, the officials said.

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