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RAILWAYS TRANSPORTATION June 2, 2016| Anisha Dutta | New Delhi | anisha.dutta@vccircle.com
After Talgo, Indian Railways tests push-pull locomotive train in Rajasthan to increase speed
The aim is to create more track capacity by running faster trains. Photo by Shah Junaid.
In a bid to run trains at a higher speed on the existing infrastructure, the Indian Railways is for the first time running trials of passenger trains with push-pull locomotives between Jaipur and Jodhpur.
The push-pull mode of operating locomotive-hauled trains allows the train to be driven from both ends as it has locomotives attached to the front as well as the rear of the train.
The national carrier’s rationale for increasing the speed is aimed towards easing congestion and attracting traffic on the railways network, thereby increasing its freight and passenger revenue.
“We started trials for locomotive-hauled trains during the last 10 days or so from Jaipur to Jodhpur. In total, it is a journey of around four-and-a-half hours and we have been able to save around 35 minutes till now. The trial will continue for another three months,” said a senior railways ministry official requesting anonymity.
Though the train is being tested at the speed of 110-115 km per hour (kmph), the average speed of the train is said to increase due to the unique nature of the push-pull locomotive. If successfully implemented, the Indian Railways aims to replicate the push-pull locomotives model for longer routes such as Delhi to Mumbai.
“As we accelerate, we gain around a minute and a few seconds. As every time the train stops and starts, the acceleration-deceleration time goes down. Trials of this nature are happening for the first time and a lot of clearances were required. The aim is to create more line capacity by running faster trains,” said the official quoted above.
This comes in the backdrop of the Indian Railways’ focus on indigenous production of semi-high speed trains running between 160 kmph and 200 kmph.
On 28 May, Hemant Kumar, member mechanical, Railway Board, had gone to oversee the trials along with an Indian Railways team.
“As of now, there is only one particular train which has been modified; others we’ll modify later. We will try to use it on some high density network. Also, right now we are testing them on an experimental basis,” said Kumar.
The railways is simultaneously conducting trial runs for Talgo coaches between Bareily and Moradabad in Uttar Pradesh which started on 29 May. The trials will be done in a series of phases and will move to various routes.
“We are thinking that once this scheme is successful, we will bring it to bigger routes such as Delhi-Mumbai. If it can cut down travel time by around two hours or more, it will be ideal,” said the unmanned railways ministry official quoted above.
Lauding the steps taken by the Indian Railways towards increasing the average speed of its trains, experts believe that the railways should focus on increasing line capacity at a faster pace.
“These are steps in the right direction for increasing the speed—whether it is the push-pull locomotive or the trials for the Spanish Talgo. The idea is to run trains faster on the existing infrastructure. The Indian Railways have to move aggressively on increasing the line capacity on the existing tracks and though its direction is correct, the pace has to increase,” said Akhileshwar Sahay, a former Indian Railway Accounts Service officer.
RAILWAYS TRANSPORTATION June 2, 2016| Anisha Dutta | New Delhi | anisha.dutta@vccircle.com
After Talgo, Indian Railways tests push-pull locomotive train in Rajasthan to increase speed
The aim is to create more track capacity by running faster trains. Photo by Shah Junaid.
In a bid to run trains at a higher speed on the existing infrastructure, the Indian Railways is for the first time running trials of passenger trains with push-pull locomotives between Jaipur and Jodhpur.
The push-pull mode of operating locomotive-hauled trains allows the train to be driven from both ends as it has locomotives attached to the front as well as the rear of the train.
The national carrier’s rationale for increasing the speed is aimed towards easing congestion and attracting traffic on the railways network, thereby increasing its freight and passenger revenue.
“We started trials for locomotive-hauled trains during the last 10 days or so from Jaipur to Jodhpur. In total, it is a journey of around four-and-a-half hours and we have been able to save around 35 minutes till now. The trial will continue for another three months,” said a senior railways ministry official requesting anonymity.
Though the train is being tested at the speed of 110-115 km per hour (kmph), the average speed of the train is said to increase due to the unique nature of the push-pull locomotive. If successfully implemented, the Indian Railways aims to replicate the push-pull locomotives model for longer routes such as Delhi to Mumbai.
“As we accelerate, we gain around a minute and a few seconds. As every time the train stops and starts, the acceleration-deceleration time goes down. Trials of this nature are happening for the first time and a lot of clearances were required. The aim is to create more line capacity by running faster trains,” said the official quoted above.
This comes in the backdrop of the Indian Railways’ focus on indigenous production of semi-high speed trains running between 160 kmph and 200 kmph.
On 28 May, Hemant Kumar, member mechanical, Railway Board, had gone to oversee the trials along with an Indian Railways team.
“As of now, there is only one particular train which has been modified; others we’ll modify later. We will try to use it on some high density network. Also, right now we are testing them on an experimental basis,” said Kumar.
The railways is simultaneously conducting trial runs for Talgo coaches between Bareily and Moradabad in Uttar Pradesh which started on 29 May. The trials will be done in a series of phases and will move to various routes.
“We are thinking that once this scheme is successful, we will bring it to bigger routes such as Delhi-Mumbai. If it can cut down travel time by around two hours or more, it will be ideal,” said the unmanned railways ministry official quoted above.
Lauding the steps taken by the Indian Railways towards increasing the average speed of its trains, experts believe that the railways should focus on increasing line capacity at a faster pace.
“These are steps in the right direction for increasing the speed—whether it is the push-pull locomotive or the trials for the Spanish Talgo. The idea is to run trains faster on the existing infrastructure. The Indian Railways have to move aggressively on increasing the line capacity on the existing tracks and though its direction is correct, the pace has to increase,” said Akhileshwar Sahay, a former Indian Railway Accounts Service officer.