Prądnica do małej bezprzekładniowej elektrowni wiatrowej

The paper presents design of generator for small gearless wind power plant. It is multi-pole machine, whose cogging torque has been minimized through the application of odd number of stator teeth. Designing calculations of flat model of generator were carried out with the use of package COMSOL Multiphysics v3.3 using finite element method. The simulation result shows negligible value of cogging torque for such solution. The generator has low mass at the power of 6kW and the speed of 150 rev/min.