I understand how regen works when the car is on "over run" slowing down. The electric motors are "driven" and therefore turn into generators.
How does the regen increase when the brakes are applied? Is the braking circuit recognised by something and it increases the generator output? How does it do it?
Mick.
Found one - this was based on reading from the Gen 2 Prius but the principal is similar for later generations. (My recollection was wrong, it was bars 6 & 7!).