Also thought to be used for banking operations up to lonavala. The wag 7h designation is applied to two locomotives of the wag 7 class that were experimentally modified to provide higher te by increasing their weight. Wheel set of wag7 loco with roller bearing rdso indian railway. It is manufactured by chittaranjan locomotive works.
It is the 7th class of wide gaugesw ac chargeda and freightdedicatedg goods locomotives. The wap 7 widebroad gauge ac electric passenger, class 7 is a threephase ac electric passenger locomotive developed by the chittaranjan locomotive works. The 3phase 6350 hp wag9 versus conventional 5000 hp wag7 locomotives, both based at tughlakabad electric loco shed of wcr. E 2003 specification for microprocessor based combined slip control, field weakening control and dynamic braking excitation system for wcg3 dc locos april 1991 22. Lubricate the both end bearings using a grease gun with specified grease. Electric locomotive classes ac indian railways fan club. Apr 11, 2019 chittaranjan locomotive works clw turned out its first 9,000 hp wag 9 freight locomotive on 31st march 2019, the last day of the financial year. The first h stands for higher axle load and the second h stands for the higher power rating. This article provokes us to understand the failure analysis of wag7 locomotive bogie brake hanger. As a result abnormality was found by him after passing nmc and train. Irab1 brake system had been designed by indian railways for application in main line wag 7 ac electric locomotives for hauling graduated release automatic air braked train. Indian locomotive class wag9 wikimili, the best wikipedia.
Acknowledgement i am extremely thankful and indebted to the numerous bhel engineers, who provided vital information about the functioning of their respective departments thus helping me to gain an overall idea of the working of the organization. Pzrti bsl 8 advantages of 3phase locomotives the merits of 3phase locomotives over d. Technical data wap5 wap7 wag9 type of service passenger passenger freight axle arrangement bobo coco coco gear ratio 1. Analysis of the indian maintenance center for wag9 electric. Failure analysis of pivot housing in wag09 locomotive. Pdf failure analysis in locomotive bogie brakehanger. It is a passenger variant of the wag 9 freight locomotive with a modified gear ratio to pull lighter loads at higher speeds. The wag 9 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 wag 12. With a power output of 12,000 hp, 7 it is twice as powerful as its immediate predecessor, wag 9, and is one of the most powerful freight locomotives in the world. The class as a whole is denoted by the wag 9i prefix in its model. It is very similar to wap 7,the only difference being the gear ratio wap 7. Specification for main transformer with steel tank for wag9h.
Second group there are various types of airbrake systems. But more recently 202 both have been spotted hauling passenger trains diva panvel route, kasara, and around bombay. Failure analysis of pivot housing in wag 09 locomotive sneha v pawade research scholar, department of mechanical engineering g. Locomotives of india project gutenberg selfpublishing. Wag 7 type electric locomotives wag 7 is an electric locomotive engine of indian railways used to haul specially goods train and is maintained by ajani loco shed, nagpur india. The locomotive is being jointly developed by alstom and indian railways, and is the first indian railways locomotive that has a power output greater than 10,000 horsepower. It is similar to the wap 7 class locomotive but features a different gear ratio, which makes it suitable for heavy freight operations. In indian railway electric locomotive wag9 was the new version of the electric. Indian railways wag class are series of electric locomotives, are the most powerful locomotives in the country, wag full form w stands for broad gauge, a stands for ac traction and g for goods dutyfreight. On 3 august 1992, the first wag 7 locomotive was inaugurated and christened the name shantidan in honor of mother teresa. The loco has six axles in two sets of three frontal and rear wheels. New maintenance manuals of wag9 and wap5 locomotive. Raisoni college of engineering, nagpur16, india abstract railway system in india plays a vital role in transportation.
Indianrailway is going to achieve 700 milliontons of traffic. Check the condition of bearing by seeing the grease, which comes out from grease inlet. This 9,000 hp version of the wag 9h has been classified by ir as wag 9 hh. Sr supply of pin for wag 7 locomotive as per rdso drg no skvl 703 alteration 2 reference 2, due date. Wag 7 is the name of a type of electric locomotive shown in figure 1 used in india.
The demand of prolong service life and reliability. The countrys first such regenerative 5000 hp wag7 electric locomotive was flaggedoff by mr. Brief description of irab1 brake system excerpt from clw manual for wag7 locomotive 1. It is the 7th class of wide gauges w ac charged a and freightdedicated ggoods locomotives. Indian locomotive class wag12 wikimili, the best wikipedia. Newer versions of the wag 9 feature full insulatedgate bipolar transistor igbt traction control.
Give ioh schedule of any two of the following equipment in wag 7 loco 1. On november 7, 1979, the last run of the wag was made. Media in category indian locomotive class wag7 the following 114 files are in this category, out of 114 total. Built by chittaranjan locomotive works and bhel, jhansi to rdso specifications.
Freight locomotives powering ac express wag9 vs wag7. Tightness of both end cover bolts of traction motor. It is a passenger variant of the freight locomotive wag 9 with a modified gear ratio to pull. The wap 7 widebroad gauge a c electric p assenger, class 7 is a threephase ac electric passenger locomotive developed by the chittaranjan locomotive works. For precise and fast control of braking effort, blending between electrical brake and pneumatic brake on the locomotive. Wap7 locomotive technical parts information indian. It is referred to as the heavy haul freight locomotive of the indian railways. Locomotives and rail cars publication its08 march 2011 control no. Dec, 2015 the 3phase 6350 hp wag 9 versus conventional 5000 hp wag 7 locomotives, both based at tughlakabad electric loco shed of wcr. It is the most powerful passenger locomotive in the indian railways fleet. Elrsspec la0009 technical specification for surge suppression capacitor 1500 v dc for wcg2a electric locomotive.
To minimize pipingand provide single place location of all pneumatic equipment. On 3 august 1992, the first wag 7 locomotive was inaugurated and christened the name shantidan in. The design of wag7 locomotive is taken from the electric loco shed scrbza. Bhel develops breakthrough indigenous technology for indian. Aug 07, 20 indias powerful locomotive wag 9 having capacity of hauling 6000 tonne at 120 kmhr. Supply of pin for wag 7 locomotive as per rdso drg tender. Drivers manual for wag99h locomotives railways faq. Study on bogie and suspension system of an electric locomotive.
Aug 02, 2015 indianrailway is going to achieve 700 milliontons of traffic. Media in category indian locomotive class wag9 the following 45 files are in this category, out of 45 total. The designs which include original and modified are done using. System engineering, locomotive specification, control. In the locomotive vehicle market wag 7 is more economicaloptionand one of the cheapest in the world. It is a passenger variant of the wag 9 freight locomotive with a modified gear ratio to pull lighter loads at. Wag 5 is the second most widely used locomotive in the indian railways, with a total of 1197 units built including variants. In this blog i am presenting the drivers manual for wag 99h locomotives published by chittaranjan locomotive works.
Page 1 of 44 category p for wap4 and wag7 locomotives for. Homed mainly a t gomoh, aj ni, lallagu da, tughla kabad and b hilai. Two smoothing reactors of type sl30 similar to that of wag7 loco being. Built by chittaranjan locomotive works and bhel, jhansi to. Present fleet of electric locomotives on indian railways are having direct drive single reduction gearing wam4, wag5, wag6c. Indian locomotive class wag 7 wikipedia like the wap5 units, the wag 9 has gto thyristor converters and threephase asynchronous motors. Feb 25, 2018 the wap 7 is a three phase ac electric passenger locomotive developed by chittaranjan locomotive works. He proceeded ex asn shed without coupling bp pipe in between two locos and ensuring application and releasing of brakes in dead loco. They have highadhesion bogies similar to those on the wag 7. World heritage encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection. Check the intactness of the junction box cover and bolt.
978 1065 1043 1059 1223 966 1136 653 461 556 296 695 82 1398 1163 1559 1453 883 1307 282 376 2 634 684 493 1123 1269 1126 497 1272 1529 1477 243 1448 724 144 1449 412 880 241 757 834 1349 360