光伏反渗透海水淡化系统的研究与开发

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针对光伏反渗透海水淡化系统的控制装置易受海水及盐雾腐蚀的问题,开发新型双输出光伏调速逆变控制器。用一台控制器对提升泵和高压泵实施相互协调的调速控制,提高系统的可靠性、降低控制器成本。提出基于太阳辐射量和设备成本的配套光伏阵列功率实用优化算法以及系统日产水能力估算方法。实验结果表明,系统运行稳定,最大功率点跟踪控制精度高,产水量与理论计算结果吻合。 For photovoltaic reverse osmosis desalination plant control system susceptible to seawater and salt spray corrosion problems, the development of new dual-output photovoltaic speed inverter controller. A controller for the lifting pump and high-pressure pump to implement coordinated speed control, improve system reliability and reduce the cost of the controller. A practical optimization algorithm of PV array power based on solar radiation and equipment cost and a method of estimating daily production capacity of water are proposed. The experimental results show that the system is stable and the MPPT control accuracy is high. The water production is consistent with the theoretical calculation.
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