Indian locomotive class WAM-4

WAM-4
WAM-4 of Itarsi Electric Loco Shed
Power type Electric
Builder Chittaranjan Locomotive Works, India
Gauge 5 ft 6 in (1,676 mm)
Current collection
method		 Overhead AC with pantograph
Top speed 110 km/h (68 mph)
Power output 3,850 hp (2,871 kW)
Career Indian Railways
Locale All over India

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

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

Gallery

Notes and references

  1. ^ Indian AC electric loco information

See also

External links