Last weekend was a difficult week for our country, about 288 people were killed and almost 1000 died in the train crash in Balasore. This fatal incident has put a question mark on ‘Kavach’, an automatic train protection system. According to the PIB report, the Kavach is designed to assist locomotive pilots to avoid Dangerous Signal Interchanges (SPADs) and speeding, and to support vessel operations in adverse weather conditions. like a thick fog.
#BharatKaKavachKavach : Automatic train protection system (ATP). pic.twitter.com/2XVJYxNCoN
– Eastern Central Railroad (@ECRlyHJP)
March 4, 2022
What is Kavac?
The Kavach Automated Train Protection System (ATP) was developed by the Research Design and Standards Organization (RDSO) for Indian Railways. Safety Integrity Level 4 (SIL-4) certified technology makes up the Kavach system. In 2012, work began on developing India’s own automatic protection or collision avoidance system under the name of the Train Collision Avoidance System (TCAS) project. The Kavach system is being developed as part of Indian Railways’ accident elimination efforts.
The outstanding features of the Kavach system are mentioned as follows:
- Kavach helps maintain the train’s speed by automatically applying the brakes in any strange situation
- In foggy weather and high speeds, it echoes signals from the side of the road in the cabin and whistles automatically at the LC doors.
- Kavach works on the principle of continuously updating the authority of the Movement.
- It avoids collision most of the times with direct communication between locomotives.
- He actively uses SOS to prevent any incidents and accidents.
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working mechanism
The system consists of a wide range of electronic and RFID devices installed in locomotives, tracks, railway signaling systems and every station at a distance of one kilometer. While a 4G LTE-based system is under development, the system currently uses extremely high radio frequencies to connect to its components. When the driver ignores the signal (Signal Transmitted When Dangerous or SPAD), which is the main cause of train collision, Kavach sends out an alert. When the system detects another train on the same track within a certain distance, the system can immediately alert the navigator to locate and control the braking system. During bad weather, such as fog, this device continuously monitors the movement of the train and transmits the signal to the front of the locomotive. Kavach combines key elements from Indian anti-collision equipment and European train control systems.
Develop
Kavach is currently deployed on 1,200 km of the South Central Railway Region with 1,445 km of tracks, 65 locomotives and 134 stops. As part of Indian Railways’ Mission Raftar project, the Kavach automatic guarding system will be upgraded to handle a top speed of 160 km/h before being put into service on the New Delhi main lines- Mumbai and Howrah-Delhi are 3,000 km long.
The Golden Quadrangle Railway and the Kavach system have been approved for rapid development in India’s Union Budget for the fiscal year 2022-2023, which is 34,000 km respectively.
The newly built WAG-9HH locomotives, with a top speed of 120 km/h, will be equipped with an automatic Kavach protection system. The amount spent on the development of Kavač is 16.99 kroner. With a completion date of March 2024, Kavach is expected to be deployed on the New Delhi-Howrah and New Delhi-Mumbai routes.
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Source: tiengtrunghaato.edu.vn