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harshith

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Posts: 3
Reply with quote  #1 
is it possible to give power to train engine by using solar panels as the train contains 30 no of boxes so that we can keep solar panels on the top of the boxes

stmbtwle

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Reply with quote  #2 
Figure out how much power is required (kw) then determine whether you have the space to install the necessary panels.

It might be possible under certain conditions, but I doubt it would be practical.

It might be better to power an electric train with stationery panels next to the track.

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
sundug

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Reply with quote  #3 
The Byron Bay Railroad Company has created the first fully solar-powered train. While it doesn't travel long distances, it does prove that the Sun is a viable source of energy for passenger transportation
https://futurism.com/worlds-first-fully-solar-powered-train-left-station/

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marsbrook

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Reply with quote  #4 
Everything is possible, Technologies always change our lives. If one day, the efficiency of the solar cells can up to more than 80% or more, solar can power a Rocket. 😉
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Rick H Parker

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Reply with quote  #5 
A diesel–electric locomotive generally produces 3,000 horsepower (2.2 MW) net or more for traction. They often use more then one locomotive to pull the loads they pull today. So figure 4.4 - 5.0 MW. Mounting solar panels on the roofs of rail cars would position then horizontally, they would not average anywhere close to their peak rated output. Might as well up the guesstimate to 10MW of panels ... unless it is done in the tropics where the sun is pretty much overhead.
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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
stmbtwle

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Reply with quote  #6 
A "standard" boxcar is a bit over 50' by 10', say 500 sq ft (CSX). A solar panel might produce 10w per sq ft. That's about 5kw or 6.7 hp PER CAR. Flat cars and hopper cars probably aren't practical as they load from the top. I don't think freight trains would be a viable option for car-mounted solar.

Lightweight passenger cars as the ones in post #3 might be.

I think trackside arrays would be a better choice. They could be as big as needed and any surplus could go to the grid.

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
Rick H Parker

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Reply with quote  #7 
I think trackside arrays would be a better choice. They could be as big as needed and any surplus could go to the grid.

If that where economical and practical they would of done so a long time ago like they did with streetcars, instead of lugging around 3000 hp engines and the fuel. Trains are electric drive, the diesel engines power the electrical generators.

The passenger train in the picture is little more then a streetcar.

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Rick H Parker
Kansas, USA
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stmbtwle

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Reply with quote  #8 
A problem with long haul electric rail could be that some of the tracks are out in the middle of nowhere where electricity is not available. Trackside solar could solve that problem.

Existing diesel-electric engines could be converted to "hybrids", to use external power when available and diesel when it wasn't.

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
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