临近空间飞行器分布式太阳电池发电分析及系统优化

蔡培源; 徐国宁; 柯挚捷; 张衍垒; 杨燕初; 蔡榕

doi:10.13700/j.bh.1001-5965.2023.0652

临近空间飞行器分布式太阳电池发电分析及系统优化

doi: 10.13700/j.bh.1001-5965.2023.0652

蔡培源^{1, 2},
徐国宁^{1, 2, ,},
柯挚捷^{1, 2},
张衍垒¹,
杨燕初^{1, 2},
蔡榕^{1, 2}

1.
中国科学院空天信息创新研究院，北京 100094
2.
中国科学院大学，北京 100049

基金项目:

中国科学院战略性先导科技专项(XDA17020304)

详细信息

通讯作者:
E-mail：xugn@aircas.ac.cn

中图分类号: V242；TM46
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- 被引次数: 0
出版历程
- 收稿日期: 2023-10-11
- 录用日期: 2024-01-19
- 网络出版日期: 2024-02-08
- 整期出版日期: 2025-08-31

Distributed solar cell generation analysis and system optimization for near space vehicles

CAI Peiyuan^{1, 2},
XU Guoning^{1, 2
, ,},
KE Zhijie^{1, 2},
ZHANG Yanlei¹,
YANG Yanchu^{1, 2},
CAI Rong^{1, 2}

1.
Aerospace Information Research Institute，Chinese Academy of Sciences，Beijing 100094，China
2.
University of Chinese Academy of Sciences，Beijing 100049，China

Funds:

Strategic Priority Research Program of the China Academy of Sciences (XDA17020304)

More Information

Corresponding author: E-mail：xugn@aircas.ac.cn

摘要

摘要:
临近空间长航时飞行器能源形式一般采用光伏发电系统，太阳电池铺设在飞行器上表面，受飞行器外形限制和影响，太阳电池呈现曲面分布。为高效利用曲面太阳电池阵列，通常采用分布式的太阳电池发电控制管理模式，将曲面阵列划为若干太阳电池子阵并对每个子阵独立控制，以实现整体太阳电池阵列的最大功率发电。基于此，建立临近空间飞行器分布式太阳电池阵列发电模型。分析了不同因素太阳电池子阵的发电功率的影响和规律，提出一种分布式太阳电池最大供电跟踪控制器拓扑架构，并进行仿真分析，结果表明：该拓扑架构在保证总体能量不变的情况下降低了电源变换装置的额定功率，为临近空间飞行器电源系统减重提供了新思路。
- 太阳电池 /
- 临近空间飞行器 /
- 太阳电池发电系统 /
- 最大功率跟踪控制 /
- 能量分析
Abstract:
The form of energy for long-duration vehicles in near space generally adopts a photovoltaic power generation system, and the solar cells are laid on the upper surface of the vehicle. Because of the vehicle's shape and limitations, the solar cells are dispersed across curved surfaces with varying irradiance at different points. A distributed solar cell system, in which the curved array is separated into several solar cell subarrays and each subarray is individually controlled to realize the maximum power generation of the entire solar array, is typically used to make efficient use of the curved solar cell array. For a near-space vehicle, this work develops a distributed solar cell array power generation model and examines the law and impact of the power produced by solar cell subarrays with various parameters. A distributed solar cell maximum power tracking controller topology is proposed based on the above law. According to the simulation analysis, the topology reduces the rated power of the converter while ensuring the overall energy remains unchanged, which provides a new idea for the weight reduction of the power system of the near-space vehicle.
- solar cell /
- near space vehicle /
- solar cell generation system /
- maximum power tracking control /
- energy analysis

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图 1 临近空间飞行器能源系统

Figure 1. Near-space vehicle energy system

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图 2 太阳和飞行器位置

Figure 2. Sun and vehicle position

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图 3 太阳电池子阵位置

Figure 3. Position of solar cell subarray

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图 4 全年中各太阳电池子阵发电功率

Figure 4. Power generated by each solar cell subarray throughout the year

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图 5 不同偏航角下各太阳电池子阵发电功率

Figure 5. Power generated by each solar cell subarray under different yaw angles

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图 6 变换器复用架构示意图

Figure 6. Schematic diagram of the converter multiplexing topology

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图 7 变化器复用架构中能量流动

Figure 7. Energy flow in the converter multiplexing topology

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图 8 飞行器静止时太阳电池子阵发电功率及后级变换器功率分配

Figure 8. Power generated by the solar cell subarray and back-converter power distribution with a stationary vehicle status

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图 9 飞行器圆周运动时太阳电池子阵发电功率及后级变换器功率分配

Figure 9. Power generated by the solar cell subarray and back-converter power distribution during the vehicle is moving in circle

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图 10 M₁失效后的架构工作示意图

Figure 10. Schematic diagram of how the architecture works after M₁ failure

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表 1 发电功率计算模型中的参数

Table 1. Parameters of the generation power calculation model

飞行
高度/km 飞行
纬度/（°）太阳电池阵列
对应圆心角/（°）阵列
面积/m² 阵列轴向
长度/m

20 北纬39.9 120 500 50

下载: 导出CSV

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