Here's an innovative idea. If we used a contactor instead of an IGBT,
it could even be inexpensive:

Mike Sasnett wrote:

> Ron,
>
> What if we just divert current above the CCL away from the battery and
> into a big air-cooled resistor. This is what diesel-electric
> locomotives do to dissipate the kinetic energy during braking.
>
> Should be a fun little electronics project.
>
> Mike