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Blog Entry# 1947423
Posted: Jul 31 2016 (16:21)

9 Responses
Last Response: Aug 04 2016 (16:34)
General Travel
Jul 31 2016 (16:21)   TU/Tadipatri (3 PFs) | LGD/WAG-9/31447
x-under SW-x   2901 blog posts
Entry# 1947423            Tags   Past Edits
Twin LGDWAG-9 #31477 In Lead With Departs TU/ Tadiipatri BOXN Rake Freight in Tow :) Hot Hot Afternoon Tadiipatri #SB Railways Station Plotfrom No.3 Resting Waiting Loco Electric Shed LGD Green Colours Between RU To GY Stretch Route ...

4 Posts

Aug 01 2016 (18:42)
x-under SW-x   2901 blog posts
Re# 1947423-5               Past Edits
WAG-9 is a type of electric locomotive used in India. It is the most powerful freight locomotive in Indian Railways' fleet. It is very similar to WAP-7; the only major difference being the gear ratio which makes it suitable for heavy freight operations. In November 1998, Chittaranjan Locomotive Works (CLW) started producing these with indigenous components. The first one, 'Navyug' (translated, 'New Era'), was flagged off on November 14. Like the WAP-5 units, they have GTO thyristor converters and 3-phase asynchronous motors.
Newer versions starting from WAG-9 31248 feature full IGBT traction
control. The class is named as WAG-9i. There is a technical variant of this class named WAG-9H. The 'H' means Heavy. Another variant includes WAG-9Hi which seems to be a combination of the above two.
WAG-9H/9Hi are the heaviest locomotives in regular service in India. These are the only freight dedicated three-phase AC locomotives in India. Also, WAG-9i/9Hi are the only electric locomotives in India fitted with Insulated Gate Bipolar Transistor (IGBT). They are also the freight locomotives with highest operational speed in India. The latest WAG 9 31086 is based in GOMOH(GMO) and has a unique red colored livery of red with large G-9 written in retro fonts.

Aug 02 2016 (09:36)
Chandu~   1520 blog posts
Re# 1947423-6               Past Edits
Sir, I didn't get your point that what are you asking.
In your first pic, the loco number is very clear and LGD sticker is clearly visible (If you aware of the LGD sticker, you can recognize it)

Aug 02 2016 (09:45)
Chandu~   1520 blog posts
Re# 1947423-7              
Sir, to be more clear, WAG9 is nor similar to WAP7, but WAP7 is derived from WAG9 and with different gear ratio.
The loco 31248 with IGBT, is also based @ LGD.
Not only WAG9i or WAG9Hi, even WAP7's which are being produced latest are almost IGBT locos only, including WDP4D's also.

Aug 02 2016 (13:54)
Chandu~   1520 blog posts
Re# 1947423-8              
Also, there were some braking issues in WAP7. Because of it, the bogie of WAP7 has been changed to the same bogie of WAG7. That is, the bogie of WAG7 is used for WAP7.

Aug 04 2016 (16:34)
SAI RAM~   4279 blog posts
Re# 1947423-9               Past Edits
31447 belongs to LGD shed. You can make out from shed logo
click here
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