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Evaluating the benefits of Integrating Floating Photovoltaic and Pumped Storage Power System

机译：评估浮动光伏和泵送存储电力系统集成的益处

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摘要

Floating Photovoltaic systems have developed very fast in recent years. Compared to individual Floating Photovoltaic systems, further advantages, such as grid connectivity and energy storage, can be obtained when Floating Photovoltaic operates collaboratively with Pumped Storage Power Systems. This paper proposed an Integrated Floating Photovoltaic-Pumped Storage Power System and quantitatively assessed the potential of the integrated system in electricity generation and conservation of water and land resource. The study developed a coordinated operation model for the Integrated Floating Photovoltaic-Pumped Storage Power System, which employed a dual-objective optimization, namely to maximize the benefits of electricity generation and to minimize the energy imbalance at the same time. The dual-objective optimization was solved using the genetic algorithm method. Other benefits of the Integrated Floating Photovoltaic-Pumped Storage Power System, namely conservation of water and land resource, were also assessed. The proposed methodology was applied to a 2 GW Floating Photovoltaic farm and a 1 GW Pumped Storage Power System. Results indicated that the Integrated Floating Photovoltaic-Pumped Storage Power System has a great potential for gaining the benefits of electricity generation (9112.74 MWh in a typical sunny day averagely) and reducing energy imbalance (23.06 MW aggregately in one day). The coordinated operation provides the possibility to achieve a higher generation benefits without affecting the reliability of the grid, while the optimization method plays a key role of efficient coordination. In addition, the system would help to save 20.16 km(2) land and 19.06 million m(3) water a year due to the reduction in evaporation loss. The synthetic benefits greatly improve the economic and environmental feasibility of photovoltaic systems in reality.
机译：浮动光伏系统近年来迅速发展。与单独的浮动光伏系统相比，当浮动光伏与泵送的存储动力系统协同​​操作时，可以获得诸如网格连接和能量存储的进一步优点。本文提出了一种集成的浮动光伏泵浦存储电力系统，定量评估了水和土地资源的发电和保护中的集成系统的潜力。该研究开发了一种用于集成浮动光伏泵浦蓄电电力系统的协调操作模型，其采用双客观优化，即最大化发电的益处，并同时最小化能量不平衡。使用遗传算法方法解决了双目标优化。还评估了集成的浮动光伏泵送存储电力系统，即水和土地资源保护的其他优点。所提出的方法应用于2 GW浮动光伏电池和1 GW泵送存储电力系统。结果表明，集成的浮动光伏泵送存储电力系统具有巨大的潜力，可获得发电的好处（平均阳光灿烂的日子9112.74兆瓦，降低能源不平衡（在一天内聚集23.06兆瓦）。协调操作提供了在不影响网格的可靠性的情况下实现更高的发电效益，而优化方法起着有效协调的关键作用。此外，由于蒸发损失的降低，该系统将有助于每年节省20.16公里（2）辆及1906万米（3）次水。合成益处大大提高了现实光伏系统的经济和环境可行性。

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