Operationg range of PMG covers the the needs of smass wind turbines. For 1kW to 5kW wind turbines, can use a single rotor-single stator pf AFPMG, for 5kW to 50kW turbines, can use AFPMG with a construction of single rotor-double stators Our options generator diameter can be 165mmto770mm, also can provide you with the controller and inverter which is suitable for your wind turbine system