| 摘要 |
<p>A vertical axis wind turbine system is presented, the turbine system comprising a rotor connected to a load through a power transmitting shaft and a control unit configured to determined load level to thereby maintain a tip-speed-ratio. The rotor comprises one or more blade block, each comprising one or more blades, and is configured to rotate about a predetermined axis in response to wind. The control unit comprises a rotation speed indicator, a torque selection module and a load controller. The rotation speed indicator is connectable to the shaft and configured to determine a rotation speed of the rotor. The torque selection module is configured to receive data indicative of the rotation speed from the rotation speed indicator and to determine a torque value. The load controller is configured to receive said desired torque value from the torque selection module and to determine a corresponding load level and adjust said load accordingly to thereby provide the wind turbine operation within predetermined limit.</p> |
