Indian locomotive class WAP-4

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WAP 4
WAP 4

WAP-4 is one of the most important electric locomotives used in India. It is a highly powerful class capable of hauling 26 coaches at the speed of 160 km/h. It is also the most widely used locomotive.

Contents

[edit] Technical specifications[1]

Manufacturers Chittoranjan locomotive works
Traction Motors Hitachi HS15250 (630 kW, 750 V (New P4 [**67* onwards] are 900 volts), 900 A, 895 rpm. Weight 3500 kg). Axle-hung, nose-suspended, force ventilated, taper roller bearings
Gear Ratio 23:58 (One loco, #22559, is said to have a 23:59 ratio.)
Transformer 5400 kVA, 32 taps

Two silicon rectifiers, (ratings?).
Axle load 18.8 t
Bogies Co-Co Flexicoil Mark 1 cast bogies; primary and secondary wheel springs with bolsters
Pantographs Two Stone India (Calcutta) AM-12.
Current Ratings 1000 A for 10 min, 900 A continuous

[edit] Notes and references

  1. ^ Indian AC electric loco information

[edit] See also

[edit] External links


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