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ac motor? Answered

 i have an 3 phase motor with high and low voltage 3/4 hp 3450 rpm, voltage being 208,220,440
 first time learning about wind power.Would i be able to use this for wind power generator



AC motors are particularly a bad choice because of their VERY specific requirements to generate power, let alone efficiently.  Also, you require extra components (capacitors) to excite the field coils.

You'd want big blades and a gearbox, but in theory you could.