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| Re: How Do AC Motors Provide DC Power During Regenerative Braking? (1648027) | |||
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Re: How Do AC Motors Provide DC Power During Regenerative Braking? |
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Posted by Spider-Pig on Thu Apr 30 11:36:51 2026, in response to Re: How Do AC Motors Provide DC Power During Regenerative Braking?, posted by AlM on Wed Apr 29 17:22:05 2026. But if you now divert that power to a grid of resistors, it stops accelerating the train. But it doesn't actively slow the train down, other than by letting air resistance and rolling friction with the tracks do their thing. So how is that any kind of braking?This is not true. As Mr. Bauman explained in a more detailed response, as a "motor" and "generator" is the same contraption, the motor generates electricity, and because in this house we obey the laws of thermodynamics, that electrical energy is either dissipated as heat, charges a battery, or used to drive another motor elsewhere. When I take my foot off the gas* pedal, that in fact causes my car to actively slow down, with the battery recharging. There's an onscreen bar that shows this and the slowing down is very noticeable. *Yes, just like I still "dial" a telephone, and then "hang up." |
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