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Home  » Business » India gets its first solar-powered train

India gets its first solar-powered train

By Megha Manchanda
July 15, 2017 13:59 IST
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The solar rooftop system will generate 7,200 kilowatts per system per year, and it will be used for powering internal lights, fans, and other electrical systems of the coach. Megha Manchanda reports.

IMAGE: Solar Powered Environment friendly DEMU trains which shown to mediapersons at Safdarjung railway station in New Delhi on Friday. Photographs: Vijay Verma/PTI Photo

In a drive towards making the Indian Railways environment-friendly, Railways Minister Suresh Prabhu inaugurated the operation of India's first solar-powered diesel electric multiple unit coach at Safdarjung railway station in New Delhi on Friday.

The country’s first 1,600-horse power DEMU coach has a solar-powered hotel load system, installed and commissioned by Jakson Engineers.

According to the official statement, the solar rooftop system will generate 7,200 kilowatts per system per year, and it will be used for powering internal lights, fans, and other electrical systems of the coach.

The project will help offset carbon emission by 9 tonnes per coach per year, and also save about 21,000 litres of diesel for a solar-powered DEMU with six-trailer coaches, thereby saving Rs 12 lakh every year.

The hotel load system is electrical load caused by all systems on a vehicle (especially a marine vessel or a truck) for purposes other than propulsion.

Jakson was awarded this project by the Indian Railways Organisation for Alternate Fuels, a unit of Indian Railways that works to promote bio-diesels and other environmentally benign alternative fuels for India’s rail network.

Sixteen solar panels of 300 Wp (watts at peak capacity), manufactured by Jakson at its solar module manufacturing plant in Greater Noida power, have been installed on the roof of the coach.

"It is not an easy task to fit solar panels on the roof of train coaches that run at speeds of 80 km per hour. Our engineering skills were put to the test during the execution of this rooftop solar project," said Sundeep Gupta, vice-chairman and managing director, Jakson Engineers Ltd.

IMAGE: The project will help offset carbon emission by 9 tonnes per coach per year, and also save about 21,000 litres of diesel for a solar-powered DEMU with six-trailer coaches, thereby saving Rs 12 lakh every year.

This is the first instance of a diesel-run passenger train fitted with a solar rooftop system with a battery backup. The system is capable of developing up to 20 kWh (kilowatt hour or units) per day throughout the year, according to the statement.

Surplus power generated during peak hours will be stored in a battery system.

It will help in generating data for research on adapting the system for a roll-out on all trains of the Indian Railways. The solar system has been fitted with an anti-theft mechanism, which can withstand trains running at more than 100 km an hour, the statement added.

In March, Prabhu had said the Indian Railways aimed to save Rs 41,000 crore on electricity expenses by switching to solar energy over the next 10 years. The ministry had prepared ‘Mission 41K’ to save electricity consumption charges by betting big on solar energy.

The minister had said efforts were on to mop up Rs 17,000 crore through non-fare revenue modes and bring down energy consumption by 15 per cent.

Prabhu said the reduction in power consumption had saved Rs 4,000 crore and Rs 41,000 crore would be saved by generating 1,000 Mw of solar power in the next five years.

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Megha Manchanda
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