Alternator Wind Generator Generator And Alternator For Wind Turbine?

Generator and alternator for wind turbine? - alternator wind generator

I build a wind turbine for a school project, and I have everything, but the generator / alternator. Who knows exactly what I need to generate electricity from a source that rotates at different speeds, and where can I get supplies? All we need is electrical equipment have all included. And you do not say it is possible, I'm basically done