this post was submitted on 17 Sep 2023
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Guessing that replacing that with a large battery that charges at night is unreasonable due to the torque needed? You'd probably need a battery larger than a train engine to be able to even do a few stops and starts. Which is why electric trains are wired all the time.
If someone knows for sure I'm super curious!
If I ran the local power grid I'm not sure I'd want cargo trains using line power for traction, unless there was some mandated weight or length limit ๐ค
Without some cargo limit I think sections of the line's voltage will just collapse under the current being drawn, whenever the cargo train moves off from a complete stop - especially if it's a multi mile long cargo train that seems common in the US
I think this guy never learned about resistance. Maybe he skipped physics classes, maybe he didn't even have them yet.
Would you ellaborate on what you mean, and the assumptions you drew from the quoted text?