It probably allows it to be a self-excited alternator - like most automotive alternators. The reliable rotary contact will eliminate the wear factor in using the self-excited technology most likely. It will require more copper, but no rare earth magnets.
On Mon, Sep 19, 2022 at 3:41 PM Terry Blanton <[email protected]> wrote: > > https://interestingengineering.com/innovation/new-method-could-change-way-wind-turbines-generate-electricity > > How does this work without a magnetic field? I'm still reviewing the > patent: > > > https://patentimages.storage.googleapis.com/5f/e6/0e/649e2cfffcaa70/US8585413.pdf > > Granted in 2013 but only making the news now??? WTF? > > Looks like the secret lies in the way a homopolar generator works. I > think. >
