塔式太阳能光热电站控制系统研究

Research on Control System of Tower Concentrated Solar Power Plant

[目的]旨在解决塔式太阳能光热电站控制领域的难点问题。[方法]首先基于太阳位置计算天文算法,发明了一种高精度,易于工程实现的定日镜跟踪控制算法;其次对定日镜场控制系统的主要控制技术进行了研究,包括系统架构、硬件与软件设计方案、基于图像处理的反馈测量方案;最后对电站的全厂控制系统进行了整体设计规划并提出了镜场控制系统与DCS主控系统之间的信号接口。[结果]可大幅度降低工程成本,缩短建设周期。[结论]研究成果体系完整、易于工程实现,可用较低的工程造价满足塔式光热电站控制精度的要求。

[Introduction]In order to solve the control problem of Tower Concentrated Solar Power.[Method]Firstly based on the astronomical algorithms for calculating the position of the sun.Secondly,this article studied the main control technology of solar field control system,including system architecture,hardware and software design,feedback measurement program based on image processing.At last,it made an overall design and planning for the whole plant control system,and proposed a signal interface between solar field control system and DCS.[Result]This article invented a high-precision and easy engineering implementation algorithm for heliostats tracking and controlling,which will reduce engineering cost and shorten the construction period.[Conclusion]The research is structural integrity and easy to be realized,it improves accuracy of heliostats tracking and controlling with a lower cost.