He further said that this system is expected to save around Rs 65 crore per annum on diesel consumption of generator cars.
The power supply tapped from the power lines through a pantograph to a train engine is used to run the engine and haul the coaches. The power supply will be distributed to the trailing coaches for power needs.
The HOG technology has been introduced in all the trains fitted with LHB coaches and hauled by electric traction.
At present, 11 pairs of Shatabdi, 8 pairs of Rajdhani, two pairs of Duronto, one pair of Humsafar and 10 pairs of Express trains are running on the HOG system in the Delhi Division.