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Blog Entry# 1689312
Posted: Dec 24 2015 (00:18)

8 Responses
Last Response: Dec 25 2015 (16:38)
2 Followers
Info Update
29833 views
9

Dec 24 2015 (00:18)   PUNE/Pune Junction (6 PFs)
 
guest   6387 blog posts
Entry# 1689312            Tags   Past Edits
#railwayengineering
=========== Loco Pilot Training Videos on WAG-9 =========
WAG9 Electric loco simulator by CC Engineers Pune. A versatile simulator for learning all operational and trouble shooting of electric locomotives
Courtesy: bipinchobhe
Uploaded
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on Nov 8, 2010

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Dec 24 2015 (01:09)
guest   6387 blog posts
Re# 1689312-5               Past Edits
Re# 1689312-1
Query on this Video: (2nd Video of this BLOG)
What is the need of Parking Brake in 3-Phase Loco ? Just to avoid Wheel Slip or any Other ?
Does Conventional Locos have Parking Brakes ?
How
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Wheel Slip can Occur in Loco when No LP is inside the Cab of the Loco ?
Can anybody help????

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Dec 24 2015 (01:49)
indian railways   7174 blog posts
Re# 1689312-6               Past Edits
To reduce wheel speed in case of wheel slip, there's a provision of anti-spin brake as well in 3-phase locos. It provides a rapid, yet soft brake application to the control the spin of the wheels if in case the wheels start slipping.
Parking brake has nothing to do in this case. It is present only on some wheels of the loco. Like we use handbrake in a car for parking, a loco too will require some sort of brakes to keep it at standstill when it's not in use.
Parking brake provision
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must be present in conventional locos too.
Wheels start slipping or skidding (these two terms are used interchangeably) when the tractive effort or braking effort breach the adhesive limits of the loco. How can slip/skid occur when the loco is not in use? :P

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Dec 24 2015 (13:56)
indian railways   7174 blog posts
Re# 1689312-7              
Difference between slip and skid (slide) :-
Wheel slip : It occurs when the tractive effort breaches the adhesive limit of the loco.
Wheel skid (slide) : It occurs when the braking effort breaches the adhesive limit of the loco.
Whenever slip or skid occurs, LSP indicator in the loco glows.
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Regarding parking brakes :-
Parking brakes are provided on the following wheels in 3-phase locos :-
WAG9/WAP7 : wheels 2-6-7-11
WAP5 : wheels 1-4-5-8
Parking brake in 3-phase locos can be applied for indefinite amount of time in the absence of brake pressure.
Conventional locos have some sort of handbrakes for parking.

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Dec 24 2015 (16:37)
Ben_Kenobi~
Ben_Kenobi~   4222 blog posts
Re# 1689312-8              
when would skid occur?? EB application??
In case of land vehicles, where very hard braking causes it there may be ABS installed to prevent that. Any such things in locos??
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Dec 25 2015 (16:38)
indian railways   7174 blog posts
Re# 1689312-9              
click here
There is no protection for wheel sliding in many cases. Hope this page answers your query :)
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