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Gaya's Mahabodhi: Tumse Milne Ko Dil Karta hai, Tumhi Ho Jispe Dil Marta hai - Ashwani Kumar

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Blog Entry# 1526017
Posted: Jun 27 2015 (16:19)

5 Responses
Last Response: Jul 01 2015 (09:47)
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★★★
Jun 27 2015 (16:19)   12301/Howrah - New Delhi Rajdhani Express (Via Gaya) | NDLS/New Delhi (16 PFs)
 
guest   6387 blog posts
Entry# 1526017            Tags   Past Edits
-------- How Train Sets can help in reduction in Run Time Between NDLS and HWH and reduction in both Electric and Diesel cost per trip -------
Train sets are an energy efficient, cost effective, modern technological solution for increasing average train speeds and throughput of Rajdhani, Shatabdi and other Mail/Express Trains.
Why train sets are required ?
The biggest criticism Indian Railways face today
...
more...
is that despite developments in Traction Technology and high speed trains running at 350 kmph plus, a reality today, average speed of even the fastest Rajdhani, Shatabdi trains continues to be as low as 90 kmph. Although the maximum permissible speed of these trains have gone up to 150 kmph.
Main reason for lower average speeds of IR passenger trains are:
Heavy congestion on major trunk routes
Large number of permanent and temporary speed restrictions on trunk routes. On date there are as many as 135 speed restrictions on NDLS- HWH section.
Differential speeds of trains. Freight trains, commuter trains and passenger trains run on the same track.
Longer trains being driven by single loco. These Important trains having 21 to 24 coaches are being hauled by single loco.
Absence of Electrical brakes
Lower Acceleration Rate
Saving In Time:
Train sets can save 216 minutes or 3 hours and 36 minutes in run time.
Simulated run of 21 coach Rajdhani Train with WAP7 Loco for 8 hours with Permanent Speed restrictions only.
For more details regarding various advantages of Train sets and how IR can increase average speed of trains please refer: click here (This Link is also the Link of the Attached Images)
Attached Images:
Acceleration Time taken by Locomotives
Acceleration Curve on 21 Coach train hauled by Diesel or Electric Loco
Time taken by Train set to achieve 130km per hour
Distance Travelled by Train set to achieve 130 km speed
Run with Loco hauled conventional Train
Run with Train set
My Courtesy to Mr Rajeev K Bhatnagar who is the Author of this Article and the Adviser Electrical(G), Railway Board in the Ministry of Railways, Government of India, responsible for major policy decisions regarding planning, procurement, maintenance and operations of Metro services, Suburban services, Rajdhani, Shatabdi, Mail/Express and Mainline EMU and passenger trains running over Indian Railway Network. He is also responsible for Technical planning and Safety of Rolling Stock for all Metros in India.

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Jun 27 2015 (16:55)
guest   6387 blog posts
Re# 1526017-2               Past Edits
Don't know. But here I think steps of modernisation of LHB Coach to Train Sets to attain High Speed is described.
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Jun 27 2015 (20:11)
TheMadrasMail~
TheMadrasMail~   6349 blog posts
Re# 1526017-4              
This is related to this article dating from around 6 months ago about IR procuring EMU rakes for Rajdhanis on trial basis.
/blog/post/1354381
They are trying to improve acceleration and braking times by using EMU style coaches instead of the conventional non-powered coaches.
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Jul 01 2015 (01:00)
SurfRider~
SurfRider~   1365 blog posts
Re# 1526017-5              
Does the train set means the same kind of one mentioned in TOI article of EMU rakes for HWH Rajdhani...?
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Jul 01 2015 (09:47)
TheMadrasMail~
TheMadrasMail~   6349 blog posts
Re# 1526017-6              
Yes. They are the same.
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