水平轴潮流能发电装置控制流程设计

以正在研制的水平轴潮流能发电装置为对象,开展了工作流程控制方法的研究工作。建立了基于叶素-动量理论的动力特性仿真模型;利用仿真模型考察了发电装置的启动转矩和转速特性,以及流速大于额定流速条件下的功率限定问题,制定了基于发电机输出电压的启动控制策略和基于发电机输出功率的功率限定控制策略。根据控制策略,设计了装置的控制流程。结合潮流变化情况,对控制流程进行了仿真。仿真结果表明,基于发电机输出电力参数的控制流程能够较好地实现对发电装置的控制。

Design of the Control Process of Horizontal Axis Tidal Power Generation Equipment

A study is carried out focusing on the flow control of the developing horizontal axis tidal power equipment. Based on the blade element momentum theory, a dynamics simulation model is established in this paper. The starting torque and speed characteristics of power equipment are researched by use of the simulation model, and the power limited problem under the condition of flow velocity exceeding rated velocity is also studied. The control strategy for startup is designed according to generator output voltage, and limit control strategy for output power is designed by use of output power. Taking into account the change rule of tidal currents, the control flow is simulated in this paper. The results show that the control flow based on the output power parameters of the generator can realize the control of the generator.