激光光伏转换器金属栅格结构的数值仿真优化  

Numerical Simulation and Optimization of Metal Grid Architecture for Laser Photovoltaic Converters

作　　者：魏建国 刘伟麟 邓辉 黄辉 张嘉 WEI Jianguo;LIU Weilin;DENG Hui;HUANG Hui;ZHANG Jia(Global Energy Interconnection Research Institute Europe GmbH,Berlin 10623,Germany;Global Energy Interconnection Research Institute Co.,Ltd.,Nanjing 210003,China;Economic and Technical Research Institute of State Grid Shanxi Electric Power Company,Taiyuan 030002,China)

机构地区：[1]全球能源互联网欧洲研究院,柏林10623 [2]全球能源互联网研究院有限公司,江苏南京210003 [3]国网山西省电力公司经济技术研究院,山西太原030002

出　　处：《中国电力》2021年第10期161-168,共8页Electric Power

基　　金：国家电网有限公司科技项目(面向输变电设备物联网高电位监测节点的激光供电关键技术研究,SGRIXTKJ[2017]840)。

摘　　要：光纤激光供电技术是实现高压电气设备监测传感器节点能量供应的重要手段。激光光伏转换器前端接触金属栅格结构的优化设计对光纤激光供电技术的改进和应用至关重要。提出了用于小尺寸激光光伏转换器金属栅格结构优化设计的数值仿真方法。该仿真模型是基于开源Solcore Python库构建的,可以按3个步骤创建光伏转换器的混合准三维模型。基于砷化镓(GaAs)材料单结光伏转换器的不同层结构,仿真研究了不同照明模式下基础层厚度和金属栅格结构对光电转换效率的影响。结果表明:使用该模型可以对金属栅格结构进行优化设计,获得仿真模块在不同层结构配置和照明模式下的最优光电转换效率。该仿真模型和优化结果可用于指导激光光伏转换器的研制。Laser power-over-fiber(LPoF)technology is one of the crucial means to energize the monitoring sensor nodes for electrical equipment in high-voltage environment.The optimization of metal front contacts grid architecture for laser photovoltaic(PV)converters is crucial to the improvement and application of LPoF technology.Numerical simulation and optimization of metal grid architecture for PV converters is presented with application to devices of relatively small size.The model is constructed based on the open source Solcore library written in Python,and a three-step-process is developed to create a hybrid quasi-3D model for PV converters.In this paper,given different layer architectures of GaAs-based single-junction PV converters,numerical simulation is run to study how the photoelectric conversion efficiency is affected by the base thickness and the metal grid architecture under different illumination profiles.The results show that with the help of the model,the metal grid architecture can be optimized to yield the highest conversion efficiency under different layer architecture and illumination profiles.The model and optimization results can be used to guide the development of laser PV converters.

关 键 词：激光光伏转换器 光纤激光供电 金属栅格优化 数值仿真 混合准三维模型 光电转换效率 

分 类 号：TM619[电气工程—电力系统及自动化]