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Page#    134 Blog Entries  <<prev  next>>
1 Followers
Info Update
39908 views
22

★★★
May 04 2016 (18:51)   CRJ/Chittaranjan (3 PFs) | HWH/WAP-7/30322
 
guest   6387 blog posts
Entry# 1832365            Tags   Past Edits
#railwayengineering
**** CLW HAVE STOPPED PRODUCING HITACHI TRACTION MOTOR , SMOOTHING REACTOR & INDUCTIVE SHUNT OF CONVENTIONAL LOCOMOTIVES FINALLY *****
We all know that CLW has already stopped Producing Conventional Locomotives already in the Last Year.
Now they have permanently stopped producing parts of conventional Locomotives also.
Now
...
more...
they produce only the Following Traction Motors of 3-Phase Locomotives ONLY:

1 3-PHASE TRACTION MOTOR TYPE 6FRA 6068 (For WAP-7 & WAG-9 Locomotives) TARGET FOR 2016-17 : 1500
2 3-PHASE TRACTION MOTOR TYPE 6FXA 7059 (For WAP-5 Locomotives) TARGET FOR 2016-17 : 120
It is also to be noted that for Both Traction Motors Production id "NIL" in April 2016 i.e in the Last Month.
Link: click here
(Screenshot Attached)
It is seen that as WAG-9 & WAP-7 are now very Popular so demand for their Traction Motors is also increased.
First Time such Huge Production Target(i.e 1500) given by Railway Board to CLW for FY 2016-17 which is First in the History of CLW too.
So, we can easily say that WAP-7 & WAG-9 is much more demanding in Indian Railways than WAP-5
For WAP-5 Railway Board has given ony 120 Traction Motor order for FY 2016-17
So the Difference is huge 1380 Traction Motors ordered extra to CLW for WAP-7 & WAG-9 as compared to WAP-5 in FY 2016-17 by Railway Board
Attached Image:
WAG9H-AJNI-31454
Link: click here
Credits: Sam
WAP7-HWH-30322
Link: click here
Pic Credits: Sam

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6 Public Posts - Wed May 04, 2016

11 Public Posts - Thu May 05, 2016
2 Followers
Info Update
30947 views
11

Apr 28 2016 (23:59)   12759/Charminar Express (PT) | LGD/WAP-7/30237
 
guest   6387 blog posts
Entry# 1824744            Tags   Past Edits
#railwayengineering
**** Year wise Progress of Electrification & Overall Performance of IR ****
Electrification Progress in 2011-12: click here
Annual Reports & Accounts -2011-12
...
more...
: click here
Electrification Progress in 2012-13: click here
Annual Reports & Accounts -2012-13: click here
Electrification Progress in 2013-14: click here
Annual Reports & Accounts -2013-14: click here
Electrification Progress in 2014-15: click here
Annual Reports & Accounts -2014-15: click here
Attached PDF Docs:
Electrification Progress in 2011-12
Electrification Progress in 2012-13
Electrification Progress in 2013-14
Electrification Progress in 2014-15
Attached Image Link: click here
Pic Credits: Raghu Jayaraman
Pic Link: click here
Pic Credits: Raj Kumar
Video Credits: Arnab Chaudhuri

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2 Public Posts - Sat Apr 30, 2016
2 Followers
Info Update
85958 views
11

Apr 28 2016 (12:12)   CRJ/Chittaranjan (3 PFs)
 
guest   6387 blog posts
Entry# 1823857            Tags   Past Edits
#railwayengineering
What is " Rheostatic braking" of Conventional Locomotives of IR ?
Ans: A system of dynamic braking in which direct-current drive motors are used as generators and convert the kinetic energy of the motor rotor and connected load to electrical energy, which in turn is dissipated as heat in a braking rheostat connected to the armature.
In other words a method of
...
more...
electric braking in which an electric motor operates as a generator. The kinetic energy of the motor rotor and connected load is dissipated in a starting rheostat or a special braking rheostat, and a braking torque is produced on the shaft of the machine. Rheostatic braking is usually used for the light braking or complete stoppage of a transport vehicle or moving mechanical system of comparatively small mass, where the amount of energy released in the braking is comparatively small.
Link of Info: click here
Attached Image Link: click here
Pic Credits: Sam

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8 Public Posts - Thu Apr 28, 2016
2 Followers
Rail Fanning
58491 views
7

Apr 25 2016 (22:27)   HWH/Howrah Junction (23 PFs) | HWH/WAP-4/22862
 
guest   6387 blog posts
Entry# 1820226            Tags   Past Edits
#railwayengineering
============= WBL-85 HIGH SPEED PANTOGRAPH ON HWH WAP-4 ===========
(See the Attached Image)
Image Link: click here
1st One is the Edited Picture
2nd
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more...
One is the Original Picture
Please note that this WAP-4 has roof mounted Dynamic Brake Resistors.
For details about roof mounted Dynamic Brake Resistors please refer : /faq/post/1129
================================================== ================================================== =====
The WBL Series of Pantographs are known as "Schunk".
For more details about "Schunk" please refer: click here
(The PDF Document is attached with this BLOG For Reference)

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2 Followers
General Travel
29633 views
8

Apr 21 2016 (13:57)   CRJ/Chittaranjan (3 PFs)
 
guest   6387 blog posts
Entry# 1813544            Tags   Past Edits
#railwayengineering
**** Please Share Views on the Following Technical Changes I think on the 3-Phase Loco of Indian Railways *****
WAP-7(NOW)
Gear Ratio: 72:20
Power output Maximum: 6,350 hp
Continuous:
...
more...
6,000 hp
WAP-5(NOW)
Gear Ratio 67:35:17 (3-stage gears)
59:35:19 for loco 30086
Power Output : Max:6,000 hp (4,474 kW)
Continuous:5,440 hp (4,057 kW)
WAG-9(NOW)
Gear Ratio 77:15 / 64:18 / 107:21
Power output 6,350 hp (4,735 kW)
-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ------------------
WAP-7 Enhancement ( I think)
Gear Ratio: 80 : 18
Power Output: Maximum: 6,500 hp
Continuous: 6,150 hp
-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------
WAP-5 Enhancement (I think)
Gear Ratio : 60:35: 18 (3 Stage gear)
Power Output : Max:6,300 hp
Continuous:5,500 hp
-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------
WAG-9 Enhancement(I think)
Gear Ratio: 80:15/64:18/109:20
Power output 6,500 hp
-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- --------------------
Kindly comment IN DETAIL FROM EVERY ASPECT what Impact will be created on the "Performance of the Three Locomotives" regarding the above mentioned enhancements I think for the Three Three-Phase Locomotives of Indian Railway.(WAP-5/WAP-7/WAG-9)
Also comment on the scope if WAP-7 can be made 3-Stage Gear like WAP-5
For existing records please refer the following:
click here
click here
click here
I am not an engineer. These are the Figures I think from my Imagination to make all the three Locomotives more speedy but don't know whether the proposed figures will serve the purpose or not. Please share views .

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6 Public Posts - Thu Apr 21, 2016

3 Public Posts - Fri Apr 22, 2016
Page#    134 Blog Entries  <<prev  next>>

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