How do I know which MidNite Solar Clipper to buy and how many ohms I need? Posted by Louis Stamatelos, MidNite Solar on May 2nd 2019 The ohms resistance depends on the wind turbine you're using and such factors as: 1) open circuit voltage 2) wattage 3) whether the turbine is 3-phase, wild AC, or DC Clipper MNCLIP4KAC wind generator wind power wind turbine