What is locomotive problem?
Given a schedule of trains, the locomotive planning (or scheduling) problem (LPP) is to determine the minimum cost assignment of locomotive types to trains that satisfies a number of business and operational constraints. The LRP considers these constraints, and its output is therefore implementable.
What is CTF in locomotive?
The Traction Motor Reverser (J2) & the Traction Braking Inverser (CTF) panel located in the HT of WAG7.
How do you make a dead Loco?
Make the loco electrically dead by keeping BL, ZPT and HBA in off position. Keep both the reversers in neutral positions. Couple the dead loco mechanically (CBC?) behind the working loco.
How does AC locomotive work?
Power Circuit in AC Electric Locomotive. The electric locomotive draws power from the over head equipment (OHE) with the help of Pantograph and converts this electrical energy to mechanical energy, in controlled manner, through Traction Motors which drive the axles.
What is the meaning of WAP in train?
‘A’ means the engine runs on electric motive power and ‘D’ signifies, the engine runs on diesel-electric motive power. If ‘WAP’ is written on the engine, it means the engine rolls on wide-gauge tracks, it runs on AC electric motive power and it pulls a passenger train.
Who is known as father of Indian Railways?
Lord Dalhousie
Lord Dalhousie is known as the father of Indian Railways.
How are locomotives powered?
The ignition of diesel fuel pushes pistons connected to an electric generator. The resulting electricity powers motors connected to the wheels of the locomotive. A “diesel” internal combustion engine uses the heat generated from the compression of air during the upward cycles of the stroke to ignite the fuel.
What is DJ in electric loco?
Yes DJ stands for “DisJuncteour” or whatever it is in french.This term probably appears because our electric locos have European origins and inspite of the older design ABCB(Air Blast Circuit Breaker)having been replaced by a simpler and more rugged VCB,the term continues to avoid confusion for drivers.
How do electric locomotive works?
Today’s advanced electric locomotives use brushless three-phase AC induction motors. Electric traction allows the use of regenerative braking, in which the motors are used as brakes and become generators that transform the motion of the train into electrical power that is then fed back into the lines.
When did the WAG 7 locomotive enter service?
The model name stands for broad gauge (W), alternating current (A), goods traffic (G) engine, 7th generation (7). They entered service in 1992. A total of 1970 WAG-7 were built at CLW and BHEL between 1990 to 2015, which made them the most numerous class of mainline electric locomotive till its successor the WAG-9.
What kind of locomotive is the WAP 7?
The WAP 7 (Wide/broad Gauge AC Electric Passenger, Class 7) is a three-phase AC electric passenger locomotive developed by the Chittaranjan Locomotive Works.
What kind of traction motor does WAG-7 have?
Specifications Traction motors WAG-7 : Hitachi HS15250A WAG-7H : Hitach MU working 4 Loco brake Air, Hand and Rheostatic (Friction) Train brakes Air, Vacuum and Dual
Which is better Wag 8 or WAG 7?
Technologically thyristor controlled BHEL WAG-8 was meant to be superior to the WAG-7 which was effectively using tap-changer technology from the 1960s. But due to issues from WAG-8, WAG-7 was selected for mass production. However, even before the WAG-7 another type of electric locomotive was imported from ASEA in 1988.