[Jonx6]

And I’m not talking about the permanent magnet fields; I am talking about the electrically created ones.

[Jonx6]

I believe the PMG electricity is what is used to create the more powerful magnetic fields in the alternator.

[myself6]

Understood.

My problem here is that I don't see how the rotor becomes more difficult to turn.

I guess there could be some properties of electromagnetism that work against the rotation as the field increases do to increased current flow. That would be the ONLY way it COULD get harder to turn.