Sunday, October 2, 2022

A new energy-efficient system developed by BHEL has got Railways interested

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New Delhi: In a major technological leap towards modernisation of Indian Railways’ existing fleet of conventional DC Traction Motor driven Electric Locomotives, Bharat Heavy Electricals Limited (BHEL) has successfully developed a Regenerative System for retro-fitment in these locos to make them energy efficient. Following the successful development, Indian Railways has placed an order with BHEL for 25 nos. Broad Gauge 5000 HP AC Electric Locomotives of type WAG-7 with the regenerative feature.

BHEL is the first to develop such a system

BHEL is the first to develop such a system for these locomotives. The system has the unique feature of utilising the kinetic energy of the train while in braking mode and turning it into electrical energy that is fed back to the electric grid through OHE lines.
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Earlier this energy was getting wasted in Dynamic Braking Resisters (DBRs) of locomotives in the form of heat.

The backdrop

BHEL has been working very closely with Indian Railways for the last six decades to meet their requirement of electric propulsion equipment for rolling stock and mainline electric locomotives. BHEL has already supplied 20 nos. 6000 HP WAG-9H Electric Locomotives last year and 10 more locomotives will be supplied this year.

The company has also augmented its capability to manufacture and supply around 100 locomotives per annum.

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