Indian locomotive class WAG-7
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 and BHEL, Jhansi to RDSO specifications. WAG7 is an uprated version of WAG-5 locomotive with high capacity transformer, rectifier, traction motor, compressor and other matching associated equipments. These are six axles loco with axle and nose suspended drive. The loco is fitted with 6 nos Hitachi designed DC series traction motors type HS15250A, controlled by a tap changer are used in this locomotive. Indian Railway is going to achieve 7,00 million tonnes of traffic, WAG-7 is the main stay of loco. In the locomotive vehicle market WAG -7 is more economical option and one of the cheapest in the world.
Technical specifications[1]
| Traction Motors |
Hitachi HS15250A (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 |
Notes and references
- ^ Indian AC electric loco information
See also
External links