New electric locomotive developed

The Chittaranjan Locomotive Works (CLW) has developed a new class of electric locomotive WAP-7, known as the Head on Generation (HOG), which would supply electrical power for its air-conditioned coaches.

This technological innovation by the production unit of the Ministry of Railways will be of use to long-distance air-conditioned trains such as Duronto, Rajdhani and Shatabdi, which are attached with two separate diesel generator power cars to provide electricity for air-conditioning, lighting and charging points of all coaches. HOG will replace these power generator cars, releasing space for commercial use and eliminating noise and air pollution.

The new locomotive equipped with 1,000 kV load converter is said to be more economical than the diesel generator power cars. The three-phase HOG loco is considered as highly energy-efficient, generating about 12 to 15 per cent of energy.

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