What would a good design for a High RPM Altenator be?

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A good design for a high RPM alternator should consider the specific power requirements based on expected loads and additional parasitic losses such as friction and rotor windage. Calculating the horsepower needed involves understanding the alternator's weight and the RPM range, which is suggested to be between 10,000 to 15,000 RPM. Using a standard three-wave alternator may be feasible for high RPM applications, but design specifics should be tailored to the intended performance. It's crucial to ask detailed questions regarding design parameters to optimize efficiency and output. Overall, careful consideration of these factors will lead to a more effective high RPM alternator design.
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And how would I do all the math for how much HP I would need to turn it based on its weight etc.?

Would I just use a normal 3 wave alt for high RPMs? Like roughly... 10-15000rpms
 
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How about asking more specific questions in regard to designs?

The power required will be a function of the loads applied. How much power are you expecting from it? The power input will have to be at least that plus parasitic loads like friction and rotor windage.
 

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