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Standards Development
This document specifies general requirements for the energy system of solar-powered aircraft. The system primarily consists of solar cells, power control equipment, energy storage batteries, etc. This document includes design and validation requirements for the system architecture, performance metrics, reliability, safety, electromagnetic compatibility, interfaces, grounding, and other aspects. This document is applicable to energy systems for solar-powered aircraft and hybrid-electric general aviation vehicles. It aims to support the design and manufacturing for efficient connection, compatibility, and matching between systems and airframes produced by different manufacturers. This document does not cover detailed design methods for the solar-powered aircraft energy system and its individual components.
The solar-powered aircraft energy system offers multiple advantages: it can efficiently utilize clean solar energy to enhance flight endurance and range; the system has a high degree of modularity, facilitating integration and maintenance; and it possesses good environmental adaptability, enabling stable operation under complex conditions such as high altitude and low temperatures. Currently, such systems have achieved scaled development and practical application in multiple countries worldwide. However, due to the lack of uniformity in interface protocols, electrical characteristics, and technical specifications among different brands and models of solar-powered aircraft energy systems, integrating systems and airframes from different suppliers often requires additional interface conversion or customized development. This increases development costs and timelines, hindering the large-scale application and international collaboration of solar aviation technology.
To address these issues, it is necessary to establish unified general requirements to ensure seamless connection and interoperability between solar-powered aircraft energy systems from different manufacturers and models, thereby reducing industry chain costs and improving application efficiency. At present, no relevant standards have been published by standardization organizations. This document aims to fill this gap and provide internationally recognized technical basis for system design and validation. This proposal has been presented and received attention at the ISO/TC20/SC1 annual meeting. Establishing this standard is of significant importance for standardizing the design and manufacturing of solar-powered aircraft energy systems, enhancing the overall industry level, and promoting international supply chain collaboration.
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