Question about magnetic resistance
Question about magnetic resistance
(OP)
Engineers,
In a generator with stationary copper coils and a moving rotor arm of magnets, is there any sort of opposing force or resistance as the magnet passes by the copper coils? Lets just say we had a rotor arm with ZERO FRICTION--would it spin freely past the coils or do the coils act as a magnet would and resist the rotor? Please submit replies in as lay terms as possible, thanks, WC
In a generator with stationary copper coils and a moving rotor arm of magnets, is there any sort of opposing force or resistance as the magnet passes by the copper coils? Lets just say we had a rotor arm with ZERO FRICTION--would it spin freely past the coils or do the coils act as a magnet would and resist the rotor? Please submit replies in as lay terms as possible, thanks, WC





RE: Question about magnetic resistance
RE: Question about magnetic resistance
No load (high resistance) means no power delivered to the load.
Too large a load (low resistance) also means no power delivered because the rotor stops.
The optimum load gets the maximum power from the rotor and is somewhere in between zero and infinity!