A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays

Shan, Chuan; Sun, Kangwen; Cheng, Dongji; Ji, Xinzhe; Gao, Jian; Zou, Tong

doi:10.3390/app14020747

Open AccessArticle

A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays

by

Chuan Shan

¹,

Kangwen Sun

^1,2,*

,

Dongji Cheng

¹,

Xinzhe Ji

¹,

Jian Gao

¹ and

Tong Zou

¹

School of Aeronautic Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing 100191, China

²

Yunnan Innovation Institute, Beihang University, 8 Shibo Road, Kunming 650233, China

^*

Author to whom correspondence should be addressed.

Appl. Sci. 2024, 14(2), 747; https://doi.org/10.3390/app14020747

Submission received: 6 December 2023 / Revised: 30 December 2023 / Accepted: 6 January 2024 / Published: 15 January 2024

(This article belongs to the Section Aerospace Science and Engineering)

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Abstract

Enhancing the output power of stratospheric airship photovoltaic arrays during months with weak irradiance is crucial for extending the endurance of airships. Models for predicting the output power of photovoltaic arrays and the phenomenon of mismatch losses have been proposed. However, static reconstruction schemes to reduce or eliminate mismatch losses have not been studied. In this paper, an output power model for stratospheric airship arrays including the solar radiation and irradiance distribution is established. The characteristics of the irradiance distribution for the photovoltaic array (PV) are investigated through simulation. Furthermore, an innovative reverse combination configuration is developed and compared to the SP and TCT configurations in terms of performance, mismatch loss and fill factor. Finally, simulations are conducted for a full-day irradiance period of 4 days in a real wind field. The simulation results demonstrate that the proposed RC configuration significantly reduces mismatch losses and output power fluctuations, thereby enhancing the PV array’s output power. This research provides interesting insights for the design of PV array topologies for stratospheric airships.

Keywords: photovoltaic array; stratospheric airship; mismatch loss; output power; static reconfiguration

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Shan, C.; Sun, K.; Cheng, D.; Ji, X.; Gao, J.; Zou, T. A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays. Appl. Sci. 2024, 14, 747. https://doi.org/10.3390/app14020747

AMA Style

Shan C, Sun K, Cheng D, Ji X, Gao J, Zou T. A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays. Applied Sciences. 2024; 14(2):747. https://doi.org/10.3390/app14020747

Chicago/Turabian Style

Shan, Chuan, Kangwen Sun, Dongji Cheng, Xinzhe Ji, Jian Gao, and Tong Zou. 2024. "A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays" Applied Sciences 14, no. 2: 747. https://doi.org/10.3390/app14020747

APA Style

Shan, C., Sun, K., Cheng, D., Ji, X., Gao, J., & Zou, T. (2024). A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays. Applied Sciences, 14(2), 747. https://doi.org/10.3390/app14020747

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A Novel Reverse Combination Configuration to Reduce Mismatch Loss for Stratospheric Airship Photovoltaic Arrays

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