Indian locomotive class WAM-4

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WAM 4 Locomotive in front
WAM 4 Locomotive in front

WAM-4 is the name of a type of electric locomotive used in India. It is a very successful locomotive in Indian Railways' fleet. The first one was indigenously designed and built by CLW in 1970-71. They were produced until about 1997. They use the same power bogies as the successful WDM-2 class. These locos feature rheostatic braking, and MU capability. Being designed specially for mixed traffic these locos has rendered excellent service.

Contents

[edit] Technical specifications[1]

Manufacturers CLW
Traction Motors Alstom TAO 659 A1 (575kW, 750V). Six motors, axle-hung, nose-suspended, force-ventilated.
Gear Ratio 15:62 originally (and still for WAM-4 2S3P), now many variations, 21:58 being common for WAM-4 6P locos.
Transformer Heil BOT 3460 A, 22.5kV / 3460kVA.
Rectifiers Two silicon rectifier cells, 1270V / 1000A each cubicle.
Pantographs Two Faiveley AM-12.
Axle load 18.8t
Hauling capacity 2010t
Current Ratings (WAM-4 6P) 1100A/10min, 750A continuous

[edit] Notes and references

  1. ^ Indian AC electric loco information

[edit] See also

[edit] External links


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