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火星尘埃对太阳电池阵的影响与电帘除尘研究
贾巍1, 倪家伟1, 黄三玻1, 宗魏2, 肖杰2, 王训春1, 池卫英1
1.上海空间电源研究所 物理电源事业部, 上海 200245;2.上海宇航系统工程研究所, 上海 201108
摘要:
火星表面大量尘埃在太阳电池阵表面的累积将会导致其输出功率下降,甚至使太阳电池阵功能失效.近年来,电帘除尘方法被认为是在火星着陆任务中进行尘埃防护最有效的手段之一.本文开展了火星尘埃累积对三结砷化镓太阳电池性能影响的实验研究,得到了火星尘埃累积量与太阳电池电压、电流和相对输出功率数值模型;通过除尘技术分析,确定电帘除尘装置构型;依据制备得到的除尘电帘,对不同火星尘埃累积下电帘的除尘效率进行了研究,为火星着陆太阳电池阵遥测数据分析和开发自适应除尘太阳电池阵提供有力的技术支持.
关键词:  三结砷化镓太阳电池;火星尘埃;电帘除尘
DOI:10.15982/j.issn.2095-7777.2014.04.010
分类号:
基金项目:上海市科学技术委员会自然科学基金资助项目(13ZR1457800,12170700500)
Experimental Study on Triple Junction Solar Cells Performance and Dust Removal Efficiency with Mars Dust
JIA Wei1, NI Jiawei1, HUANG Sanbo1, ZONG Wei2, XIAO Jie2, WANG Xunchun1, CHI Weiying1
1.Department of Physical Power, Shanghai Institute of Space Power-sources, Shanghai 200245, China;2.Aerospace System Engineering Institute of Shanghai, Shanghai 201108, China
Abstract:
In the future manned lunar landing, the solar array output power may be decreased or molfunction when the Mars dust accumulated on the surface of the solar array. In recent years, electric curtain dust removal method is considered an effective means for the Mars dust prevention. In this paper, the performance of triple-junction gallium arsenide solar cell was analysed as Mars dust accumulated on solar cell. From the experimental results, we obtained a trend exponential function between the relative output power and dust deposition mass. Next, the dust removal efficiency of electric curtain under different Mars dust accumulation mass was studied, and the optimum operating point of electric curtain dust removal device was obtained. The research will provide a strong technical support for adaptive dust solar array.
Key words:  triple-junction gallium arsenide solar cells;Mars dust;electric curtain dust removed