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Home National & International

Indian Railways to test anti-collision system ‘Kavach’ in Secunderabad today

Two trains will collide with Union Railway Minister and Chairman of Railway board on them to test the system

Lagatar News by Lagatar News
March 4, 2022
in National & International
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Lagatar24 Desk

Secunderabad, Mar 4: Two trains will slam into each other at full speed in Secunderabad today, one carrying the railway minister and the other the Chairman of the Railway Board.

However, thanks to ‘Kavach,’ the two trains will not collide.

The Railways are promoting ‘Kavach,’ which literally means armour, as the world’s cheapest automatic train collision protection technology.

The Automatic Train Protection (ATP) system was created in-house to assist the railways in achieving their aim of “zero incidents.” Kavach is a system that automatically brings a train to a stop when it detects another train on the same line within a certain distance.

Senior officials claimed trains will also stop on their own if the digital system detects any manual fault, such as “jumping” the red signal or any other issue.

They claim that once implemented, it will cost Rs. 50 lakh per kilometre to operate, compared to around Rs. 2 crore globally.

Ashwini Vaishnaw, the Railway Minister, will be in Secunderabad for a trial of the system on the Sanatnagar-Sankarpalli segment.

“The railway minister and CRB (Chairman of the Railway Board) will participate in the trial to be held on March 4. We will showcase how the system works in three situations — head-on collisions, rear-end collisions, and signal is passed at danger (Spads),” the official said.

When a train passes a stop-signal when it is not permitted to do so, a signal is passed at danger (SPAD).

In the event that the loco pilot fails to do so, ‘Kavach’ manages the train’s speed by applying brakes automatically.

“It works on the principle of continuous update of movement by using high frequency radio communication. It also conforms to SIL-4 (Safety Integrity Level – 4) which is the highest level of safety certification,” he added.

“RFID tags are provided on the tracks and at station yard for each track and signals for track identification, location of trains and identification of train direction. The ‘On Board Display of Signal Aspect’ (OBDSA) is to help loco pilots check signals on board consoles even when the visibility is low,” an official said.

Additionally, once the system is engaged, all trains within a 5-kilometer radius will come to a complete stop to protect trains on adjacent tracks.

According to officials, loco-pilots and assistant loco-pilots currently crane their necks out the window to look for caution signs and signals. It also has stationary equipment that collects signalling and loco inputs and relays them to a central system for seamless contact with train crews and stations.

The first field experiments on passenger trains began in February 2016, and based on the results, the Kavach’s preliminary specs were finalised in May 2017.

Following that, a third-party independent safety assessment of the system was conducted, and three firms were approved by the Railway’s RDSO (Research Design and Standards Organisation) in 2018-19 for working up to train speeds of 110 kmph based on the developmental project and the ISA safety assessment.

Following that, Kavach was certified for speeds up to 160 kmph based on additional studies.

As part of the Atmanirbhar Bharat effort, 2,000 km of rail network will be brought under the indigenous world-class technology ‘Kavach’ for safety and capacity augmentation in 2022-23, as announced in the Union Budget for 2022.

Kavach has been used on about 1098 route kilometres and 65 locomotives in ongoing South Central Railway construction.

In addition, as part of the Delhi-Mumbai and Delhi-Howrah corridors, which have a total route kilometre of over 3000 km, Kavach is proposed to be deployed as part of Mission Raftar project aims to increase speeds to 160 km/h. Tenders are being sought for these projects.

 

 

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