[BC] Understanding power generation

[PeterH5322]

> > A dc system cannot deliver any power without there being a _potential_
> > difference.
> >
> > An ac system cannot deliver any power without there being a _phase_
> > difference.
>
>call me confused, but do you not just crank up the exciter voltage until
>your generator's output voltage is greater than the system voltage, and
>power then begins to flow from you to them ?

The prime-mover's rpm controls the genset's frequency.

The genset's excitation controls the net interchange of reactive power 
(AKA, imaginary power as it is on the +/- j axis), not the net 
interchange of real power.