It is a pity because this man is not only discrediting himself, but also is discrediting the serious work of Mr. Figuera with his unpolite posts. I wont go as low as that.
If you take an alternator without any regulator, its exciter electromagnet will not demand more power from the case with the alternator stopped to the case with the alternator running. Do this test.
When running, the alternator suffer from dragging and you need to supply more mechanical power, but the electromagnets consume the same exciting current always. The electronagnets are inmune to the power output in the induced coils. No increase in the electromagnet consumption to get induction. Just dragging is manifested in alternators/generators. They are not as transformers were Lenz manifest as an increase in input current.
Now suppose a generator where nothing moves but the field lines. The electromagnets will not suffer an increase in the consumption, they will be inmune to the power output. And as nothing moves there wont be any dragging.
Just try to get the induction as in common generators: E = v·B
If you take an alternator without any regulator, its exciter electromagnet will not demand more power from the case with the alternator stopped to the case with the alternator running. Do this test.
When running, the alternator suffer from dragging and you need to supply more mechanical power, but the electromagnets consume the same exciting current always. The electronagnets are inmune to the power output in the induced coils. No increase in the electromagnet consumption to get induction. Just dragging is manifested in alternators/generators. They are not as transformers were Lenz manifest as an increase in input current.
Now suppose a generator where nothing moves but the field lines. The electromagnets will not suffer an increase in the consumption, they will be inmune to the power output. And as nothing moves there wont be any dragging.
Just try to get the induction as in common generators: E = v·B
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