... axis wind turbine Properties:1. No core, no hysteresis and cogging, low starting torque;2. No iron loss, high ... earth permanent magnet, Multi-polar, small gap, high power density, output power;5. Low-speed direct drive, no torque ... ripple;6. Compact, high-volume power ratio;7. Because no iron loss, low heat ... phasethere phasewe can according purchaser's demand wind power generator