The locomotive was developed after a previous class wap 1 was found inadequate to haul the longer, heavier express trains 2426 coaches that were becoming the mainstay of the indian railways network. Page 1 of 44 category p for wap4 and wag7 locomotives for. Inversion of dc to variable frequency ac by means of drive end inverter. It is the 7th class of wide gaugesw ac chargeda and freightdedicatedggoods locomotives.
Indian locomotive class wap7 wikipedia republished wiki 2. It is the largest locomotive production unit in the world with a record of 431 locomotives produced in the year 201920. The wap 7 is actually a modified version of the wag 9 freight locomotive with modified gear ratios. Indian locomotive class wap7 is passenger locomotive and currently the is the most powerful passenger locomotive in india, capable of hauling 24 coach trains at speeds ranging 110140 kmh. Before initiating the operation of wap 7 locomotive, electrical department of the concerned railways shall arrange to certify the track worthiness and safety of the rolling stocks based on the maintenance standards cited above.
Railways white beast to rule down south madurai news. It is a passenger variant of the freight locomotive wag 9 with a modified gear ratio to pull lighter loads at higher speeds. It is capable of hauling 24 coach trains at speeds ranging between 110140 kmh 6887 mph, depending on the mps. Artstation indian locomotive wap7 3d model, sid sinha.
All the permanent and temporary speed restrictions in force and those that may be. Jan 25, 2020 as we all are familiar about the indian locomotive class wap 7, there are some facts that we must know about it. Pdf study on bogie and suspension system of an electric. One of the greatest strengths of abb is our flexibility to. Pdf the locomotive is an assembly of various systems which provides the required tractive. Modifications during continuing trials resulted in improved performance with the loco now yielding 6350hp total power and 36000 kgf 352. On 3 august 1992, the first wag 7 locomotive was inaugurated and christened the name shantidan in honor of mother teresa. Wap 7 is a high speed locomotive indigenously developed by chittaranjan locomotive works. May 25, 2018 wap7 machine room components of 6120 hp electric locomotive. Diagnostic system for all electrical and electronic devices on the vehicle. First ac locomotive to enter kalyanlokmanya tilak terminus section under its own power, hauling a commercial service 12th jan 2014. Built by chittaranjan locomotive works and bhel, jhansi to rdso specifications.
Wap7 locomotive developed by chittaranjan locomotive works and used by northern railways, southern railways and other 8 indian railway zones. Study on bogie and suspension system of an electric locomotive. Supply of sand ejector assembly for wag 9 wap 7 lo tender. Traction systems for locomotives and high speed applications.
Pdf the locomotive is an assembly of various systems which provides the required tractive force for the train. It involves a list of information on the various parts of a conventional type bogie and also the various advantages of. Dieselelectric locomotives introduction an understanding of the structure of a locomotive mechanically and electrically is essential to a person attempting to perform maintenance and repair services on it. Development of electric locomotive with head on generation hog facility pdf. Media in category indian locomotive class wap7 the following 114 files are in this category, out of 114 total. The model name stands for broad gauge w, diesel d, mixed traffic m engine. Before initiating the operation of wap 7 locomotive, electrical department of the. Wap7 locomotive technical parts information indian railways.
Earlier trials with wap7 locos had yielded times around 390 seconds for the same test, which had cast doubts on the future of this loco class which was. It was introduced in 1994, with a similar bodyshell to the wap 1 class, but with hitachi traction motors. A hotel load winding in locomotive transformer of wap5 and wap7 locomotives has been provided to cater the hotel load supply to the coaches through hotel load converter. Cbc and screw coupling attachment procedure cbc and screw coupling attachment for loco and coaches esp for shunters and pointmen. It is located at chittaranjan in asansol sadar subdivision with an ancillary unit in dankuni. It is the most powerful passenger locomotive in the indian railways fleet. Indian railway is going to achieve 7,000,000 tonnes 6,890,000 long tons. Wap7 locomotive technical parts information indian. Primus ge global research center 11th diesel engine emissions reduction conference. Supply of packing for sb door glass of wap 7 locom tender. Railway electric locomotive wag4 inside cabin by shubham dixit inside view of railway electric ac locomotive wag4. Wap7 locomotive has two separate sets of power conversion and distribution, the video shows both trucks separate component placement. Preamble indian railway is manufacturing 3phase electric locomotives at chittaranjan locomotive works clw i.
Railway locomotive class wap 7 of india hard surface made by me in maya and rendered with arnold renderer. We hope to inspire you as to what is possible today in the areas of power management and energy efficiency, hybrid and multisystem technology, compactness and energy density, reliability and robustness, control and adaptability. Wap7, a highspeed electric locomotive of the indian railways will soon make its debut down south with the trichy and madurai railway divisions under. Wap 7 locomotive technical parts information indian railways locomotive class wap 7. W ap 7 locomotive is exactly the same as that of wag9 locomotive except that the gear ratio of the latter has been changed from 5. Locomotives and rail cars publication its08 march 2011 control no. Two important freight locomotives used in india are 5 1. The wap 7 is a threephase ac electric passenger locomotive developed by the chittaranjan. Wap7 machine room components of 6120 hp electric locomotive. Railways will introduce more wap7 locomotives, the modern threephase highspeed locomotive, to overcome the late running of trains in the state. Scr supply of sand ejector assembly for wag 9 wap 7 locomotives as per 1 knorr bremse drng no 1 3 1880 or 2 ftrtil pt no 03100100, due date. This website never solicits for money or donations.
It is similar to the wap 7 class locomotive but features a different gear ratio, which makes it suitable for heavy freight operations. Indian locomotive class wap7 wikimili, the best wikipedia. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. This paper also discusses the benefits of the hog and suggests future course of action. The wap 7 widebroad gauge ac electric passenger, class 7 is a three phase ac electric passenger locomotive developed by chittaranjan locomotive works. The wag9 is a type of electric locomotive used by the indian railway it was the most powerful freight locomotive of its fleet until the formal induction of the wag12. Since 1993, it has been manufactured in india by the diesel locomotive works dlw, varanasi.
In the locomotive vehicle market wag 7 is more economical option and one of the most affordable in the world. Which locomotive engine is faster, a wap 5 or a wap 7. Wag 7 is the name of a type of electric locomotive shown in figure 1 used in india. Wag9 is a type of electric locomotive used in india. As this locomotive was the modified version of wag9 by slightly changing the gear ratio which was 77. Hence, it has the highest production figures of any locomotive in india. Online railroad photo database, featuring thousands of highquality photographs of trains, railroads, railroad scenes, and more. It is a passenger variant of the wag 9 freight locomotive with a m. Sr supply of packing for sb door glass of wap 7 locomotives as per els gmos drg no trs gmo m1 g 9 070 material black epdm rubber, due date.
Abb is the expert for traction converters, motors, transformers, and complete traction chain solutions. This project involves a detailed study on the bogie and suspension system of an electric locomotive wap4 in indian railways. Wag 7 is the name of a type of electric locomotive used in india. Eldd3637 g 9h p 7 p5 g 9h p 7 p5 1 l11 metalic washer 34 idx54. Electric locomotive classes ac indian railways fan club. Head on generation hog a step towards energy efficiency. The wap 7 widebroad gauge ac electric passenger, class 7 is a threephase ac electric passenger locomotive developed by the chittaranjan locomotive works.
Draft specifications for main transformer of 7775 kva for 3phase drive locomotives. Indian locomotive class wag9 wikimili, the best wikipedia. The wap 7 is a three phase ac electric passenger locomotive developed by chittaranjan locomotive works. When indian railways decided to fully switch to ac traction postindependence, it did away with specialized locomotives for passenger operations and handed passenger duties to mixed wam locos. The class wdm3a is indian railways workhorse dieselelectric locomotive. Bharat heavy electricals limited bhel has been entrusted by indian railways for design. We shall now discuss briefly the modules used in 3 phase abb locomotive. The first electric locomotives in india were dedicated goods wdg and passenger wcp dc traction locomotives introduced by the british before independence. The outline of the w ap 7 locomotive is as per drawing nos.
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