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Symbiotetoday at 6:44 AM1 replyview on HN

The usual brake on a train that can't do regenerative breaking is a big grid of resistors to dump the energy as heat.

It's much less wear and tear than friction brakes.

https://en.wikipedia.org/wiki/Dynamic_braking


Replies

rsynnotttoday at 8:01 AM

And diesel hydraulic trains (and some buses) usually use these: https://en.wikipedia.org/wiki/Retarder_(mechanical_engineeri...