Indian locomotive class WAG-7
Encyclopedia
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.
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
. 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
Indian locomotive class WAG-5
The WAG-5 is a type of electric locomotive used in India. It is the second most widely used locomotive on Indian railways, with a total of 1100 units built including variants...
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
| 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 Flexicoil suspension Flexicoil suspension is a wear-resistant and maintenance-free suspension system, used in railway vehicles. It is a secondary suspension, installed between the body and the bogie of the locomotive, passenger car or wagon so fitted.... 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 |
See also
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