Brake regeneration?

[wolram]

Main Question or Discussion Point

How is the braking energy tuned into electrical energy.

 

[russ_watters]

Hybrid cars partially powered by electric motors. Electric motor=electric generator.

 

[wolram]

Hybrid cars partially powered by electric motors. Electric motor=electric generator.

But an electrical power generated from a negative source?

 

[mgb_phys]

Turn an electric motor and it generates electricity.
Connect motor to wheels, swap cables to battery, kinetic energy charges battery, resistance from coils slows car.
Simple