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Experts Column

Electrical Multiple units (Train sets) for higher train speeds on IR

By on December 28, 2014
Electrical Multiple units (Train sets) for higher train speeds on IR

An energy efficient, cost effective, modern technological solution for increasing average train speeds and throughput of Rajdhani, Shatabdi and other Mail/Express Trains The biggest criticism Indian Railways face today 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, […]

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Selection of Suspension Arrangement of Traction Motors : A Right Approach

By on December 10, 2014
Selection of Suspension Arrangement of Traction Motors : A Right Approach

Abstract Motor suspension arrangement is of paramount importance for the reliability of traction motors. Another vital input for the selection of traction motor for given motor suspension arrangement is its rotational speed. Non-availability of any complied information on the relationship of rotational speed of traction motors and their mounting arrangement makes the jobs of Rolling […]

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Optimized Algorithms For Effective Driving Of Tap Changer Controlled Electric Locomotives In Indian Railways : A Case Study

By on November 8, 2014
Optimized Algorithms For Effective Driving Of Tap Changer Controlled Electric Locomotives In Indian Railways : A Case Study

Abstract In this work we propose a strategy for driving a tap changer controlled electric locomotive, specifically WAP4, which will result in the highest possible output performance while remaining within the tolerance limits of the voltage and current in the traction motors. Indian Railways’ electric locomotive fleet [1] is today dominated by tap changer controlled, […]

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Case for compulsory periodic ‘Psychometric Testing’ of loco running staff

By on September 27, 2014
Case for compulsory periodic ‘Psychometric Testing’ of loco running staff

Indian Railways is today at cross roads. Existing infrastructure is heavily loaded and is intensively used which has resulted in reduced safety margins. As fully qualified train drivers, Locomotive Running Staff are required to drive trains in a safe and economical manner in accordance with specified rules. Locomotive Running staff, i.e. Loco Pilots and ALPS, are thus […]

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Technology Update on “Solid Lube Stick Wheel Flange Lubrication System”

By on September 13, 2014
Technology Update on “Solid Lube Stick Wheel Flange Lubrication System”

Objective: The objective of this technical update is to introduce “Solid lube stick type Wheel Flange Lubricating (WFL) System” in Indian Railways to prove the importance of WFL, which can give the following benefits: Energy Saving in Electric rolling stock up to 5% Fuel saving in Diesel Rolling Stock up to 5% Wheel wear reduction […]

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Saga of Traction for Iron Ore Transportation on SE Railway

By on September 10, 2014
Saga of Traction for Iron Ore Transportation on SE Railway

Iron ore mines of Chakradharpur division of South Eastern Railway have been feeding all the major Steel Plants of India starting from TATA Steel (in 1920s) and Burnpur Steel Plant of IISCO (now Steel Authority of India Limited).  Iron ore coming out of the bowels of the earth of Chakradharpur division is an invaluable commodity and has contributed its might towards […]

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Push-Pull Freight Trains – A Landmark Innovation In Rail Operations On Chakradharpur Division Of S.E.Railway

By on September 10, 2014

TATA Steel has expanded its capacity from 6.8 mtpa of steel to 10 mtpa.  This was targeted to be in place by 31st March’13.  Consequent upon this expansion, iron ore requirement of TATA Steel has gone upto 17 mtpa which is equivalent to 13 trains per day as against the present requirement of 9.6 trains […]

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Movement of BOBRN Rakes Via UP Saranda Tunnel – Innovative Achievement On CKP Division of S E Railways

By on September 10, 2014
Movement of BOBRN Rakes Via UP Saranda Tunnel – Innovative Achievement On CKP Division of S E Railways

A landmark achievement has been added to the saga of successful operational improvements on Chakradharpur division of South Eastern Railways recently. Chakradharpur division is a critically important division from Railway operations point of view with 750 RKM of track, out of which 268 RKM consists of Tatanagar-Jharsuguda section which is a part of Howrah-Mumbai trunk […]

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Guide to choose the best engineering college and the best branch in India

By on June 13, 2014
Guide to choose the best engineering college and the best branch in India

It’s that time of the year when results of competitive exams are declared and like every year, I was sure that I would get a lot of questions from curious parents and kids about which engineering college to go for or which branch to take. My credentials of being an IITian always got me into such […]

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Memorial Lecture by Sh. N.Venkatesan Former Member Electrical Railway Board

By on January 23, 2014
Memorial Lecture by Sh. N.Venkatesan Former Member Electrical Railway Board

The Institution of Engineering and Technology organised “IET Chairman’s Lecture” on 4th January 2014 supported by IREE and IEEE. Sh. N. Venkatesan, Former Member Electrical, Railway Board & Chairman IET/DLN, Professor Bhim Singh, Chair IEEE & HOD Electrical Department, IIT Delhi. Sh. V K Dutt, Former Additional member/Electrical, Railway Board & Sr. Member IEEE and […]

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