Mau , start with the link and you can earn your merit badge for understanding regenerative braking.
youtu.be
In the diagram, picture a battery ,, where the resistance heat grid is on the locomotive. .. the same scenario is happening with regenerative braking of Electric vehicles ,,and electrical charge is not ""almost zero.""
Sometimes you must listen to people that have experienced driving a modern electric vehicle to earn your badge .. Driving that ancient Hillman ,,Camry doesn't cut it anymore.
The gain is not to be exaggerated,, but a gain none the less.. very difficult to put a percentage on the gain because of all the terrain variables.
The gain in the railway industry would be huge if those hundreds of amps of wasted heat could be stored in batteries for the next uphill leg .. Maybe Elon Musk could add a floor to the giga factory to produce such a battery..
Shame to waste all that raw energy that is magnified by massive tonnage wanting to take off down the hill... And shear beauty not wearing out brake shoes and wheels on trains and not wearing out brakes on EV' s,, in both rail and EV regenerative braking applications.. can not be appreciated enough.
Every good scout knows that ultra caps are not batteries but good at supplying extra boost to get ya up to speed. |
