What is ECSS-E-ST-20 Standard?

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May 3, 2023

ECSS-E-ST-20 is a European space standard that provides a framework for environmental and electromagnetic compatibility (EMC) requirements for space projects. It defines the environmental and EMC conditions that a space system must withstand and provides guidelines for the design and testing of space systems to ensure their compliance with these conditions. The standard covers a wide range of environmental conditions that a space system may encounter during its lifetime, including temperature, humidity, radiation, vibration, shock, and vacuum. It also covers the EMC requirements, which ensure that the space system can operate in an electromagnetic environment without causing interference or being affected by external electromagnetic fields.

The standard provides specific requirements for each environmental and EMC condition, including the test methods, acceptance criteria, and documentation requirements. For example, it provides guidelines for the thermal vacuum testing of space systems, which simulates the temperature and vacuum conditions that a space system may encounter in space. It also provides guidelines for the electromagnetic compatibility testing of space systems, which ensures that the system can operate in an environment with high levels of electromagnetic radiation without causing interference with other systems.

ECSS-E-ST-20 also includes requirements for the design and qualification of components and materials used in space systems. For example, it provides guidelines for the selection of materials that can withstand the harsh space environment and the development of radiation-hardened electronics. In addition to the environmental and EMC requirements, the standard also covers the documentation requirements for environmental and EMC testing. This includes the development of the environmental and EMC test plans, test procedures, and test reports.

Overall, ECSS-E-ST-20 provides a comprehensive framework for environmental and EMC requirements for space projects. By following this standard, space organizations can ensure that their space systems are designed and tested to withstand the environmental and EMC conditions that they may encounter in space, resulting in reliable and safe space missions.

Click here to learn more about various European Space Standards.


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