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Power management optimization of hybrid solar photovoltaic-battery integrated with pumped-hydro-storage system for standalone electricity generation

机译：具有泵送 - 水流储存系统的混合太阳能光伏电池电源管理优化，用于独立发电

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This paper presents analysis and optimization of standalone hybrid renewable energy system for powering a 3.032 kWh/day housing unit. The hybrid system is strategized to utilize harvesting rainfall and integrating a pumped-hydro storage with a solar photovoltaic-battery system. The optimization, using particle swarm optimization technique, is conceived for minimizing the over sizing of components and secure reliable power supply management with objective function to minimize the levelized cost of energy for loss of power supply probability of 0.0. Four different cases have been optimized, analyzed and compared. Case 1 is a conventional photovoltaic-battery system, Case 2 is photovoltaic-battery integrated with hydro system utilizing only the direct rainfall, Case 3 is photovoltaic-battery integrated with pumped-hydro storage system with the battery bank as the primary power backup, and Case 4 is the photovoltaic-battery integrated with pumped-hydro storage system with hydro system as the primary power backup. Results are revealing that integration of rainfall-based hydropower system of only 100 W with effective water storage of 6.5 m(3) at 7.0 m of net water head has resulted in reduction of the installed photovoltaic capacity by about 13.0% compared to power system without rainfall-based hydropower system. The highest hydropower share of 5.0% is observed in Case 4. Case 4 has also resulted in least levelized cost of energy of 0.443 $/kWh. It has been demonstrated that it is possible to achieve environmental appropriateness, reliable and low-cost power generation by integration of harvesting rainfall with photovoltaicbattery system. The suggested system has less dependency on the battery storage as the batteries are the most expensive part with short life span in the proposed integrated renewable systems.
机译：本文介绍了对3.032千瓦时/天住房单元供电的独立混合可再生能源系统的分析与优化。混合系统是策略的，以利用收获降雨并与太阳能光伏电池系统集成泵送水电。使用粒子群优化技术的优化是为了使组件的过度尺寸最小化，并且具有目标函数的安全可靠电源管理，以最小化电源概率损失的稳定能量成本。已经优化了四种不同的病例，分析并进行了比较。壳体1是传统的光伏电池系统，壳体2是光伏电池与水电系统集成，仅使用直接降雨，壳体3是光伏电池与泵送 - 水电系统集成，电池组与电池组作为主要电源备份，和壳体4是集成的光伏电池与泵送 - 水电系统，作为初级电源备用。结果表明，在7.0米的净水头7.0米处，仅100W的降雨基水电系统的整合仅为100米（3），导致安装的光伏容量约为13.0％，而没有电力系统基于降雨的水电系统。在案例4中观察到最高水电份额为5.0％。案例4也导致最低尺寸的能源成本为0.443 $ / kWh。已经证明，通过与光伏降雨与光伏系统的收获降雨集成，可以实现环境适用性，可靠和低成本的发电。建议的系统对电池存储的依赖性较少，因为电池是具有较短的综合可再生系统中寿命短的最昂贵的部分。

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