Research on PV array reconstruction and Full-cycle maximum power point tracking technology of space solar power station

Space Solar Power and Wireless Transmission Pub Date : 2024-09-01 DOI:10.1016/j.sspwt.2024.09.004

Guoning Xu , Shuoyan Nie , Zhenyang Xiong

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Abstract

Space solar power station is an energy system that converts solar energy into electrical energy in the space environment and then transmits it to the space platform or ground using wireless power transmission technology. To improve the power generation and system efficiency of the space solar power station, an adaptive and reconfigurable photovoltaic array with multi-configuration is proposed, which can avoid large attenuation of the output power and efficiency of the photovoltaic array when the photovoltaic modules have a fault occurs or the receive different irradiation intensity. Then, according to the orbit area and light condition of the space solar power station, the operation mode are divided in detail. Furthermore, a novel full-cycle and multi-mode GMPPT (maximum power point tracking) strategy is proposed. Compared to the single mode MPPT, the control strategy has shorter response time, faster convergence and higher tracking accuracy. Through the above research, the output power and photoelectric conversion efficiency of space solar power station can be significantly improved.

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空间太阳能电站光伏阵列重构与全周期最大功率点跟踪技术研究

空间太阳能电站是在空间环境中将太阳能转化为电能，然后利用无线输电技术将电能传输到空间平台或地面的能源系统。为提高空间太阳能电站的发电量和系统效率，提出了一种多配置自适应可重构光伏阵列，可避免光伏组件发生故障或接受不同辐照强度时光伏阵列输出功率和效率的大幅衰减。然后，根据空间太阳能电站的轨道区域和光照条件，详细划分了运行模式。此外，还提出了一种新颖的全周期多模式 GMPPT（最大功率点跟踪）策略。与单模式 MPPT 相比，该控制策略响应时间更短、收敛速度更快、跟踪精度更高。通过上述研究，空间太阳能电站的输出功率和光电转换效率将得到显著提高。

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Space Solar Power and Wireless Transmission

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