Indian locomotive class WAG-7

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WAG-7 is the name of a type of electric locomotive used in India. It is a very powerful locomotive in Indian Railways' fleet. Built by Chittaranjan Locomotive Works to RDSO specifications, these represent the next indigenous design step up from the WAG-5 locomotives. Used primarily for goods haulage, these locos have a Co-Co wheel arrangement with high-adhesion bogies.

Contents

[edit] Technical specifications[1]

Traction Motors Hitachi HS15250-G (a variant of the standard HS15250 with higher current rating (thicker wire gauge, better insulation); see description under WAP-4.) Motors built by CLW and BHEL.
Gear Ratio 65:18 (65:16?)
Transformer CCL India, type CGTT-5400, 5400kVA, 32 taps.
Rectifiers Two silicon rectifiers, cell type S18FN350 (from Hind Rectifier), 64 per bridge, 2700A / 1050V per
Axle load 20.5t
Bogies High-adhesion bogies (probably Flexicoil Mark IV?, fabricated bogie frame assembly), with unidirectional mounting of traction motors, primary and secondary suspension.
Hauling Capacity 3010t
Pantographs Two Stone India (Calcutta) type AN-12.
Current Ratings 1350A/2min, 1200A/10min, 960A/hr, 900A continuous

[edit] Notes and references

  1. ^ Indian AC electric loco information

[edit] See also

[edit] External links


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