Andrew Wood wrote:
> Is it true that a generator becomes physically harder to turn the
> higher the current load?

Think about it.  If it didn't they'd either be horribly inefficient at low
loads or you'd be getting free energy from somewhere.

> Presumably in that case a petrol diesel generator must have some way
> of automatically detecting this and increasing the power to the
> engine?

Simple gensets usually just have a speed governor and leave it at that.


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