Active standard | Published: 22/09/2025

ISO 18518:2025

Magnetic fusion facilities — Requirements for the safety systems raised by the application of the superconducting technology
(Installations de fusion par confinement magnétique — Exigences applicables aux systemes de sureté soulevées par l´application de la technologie supraconductrice)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 18518:2025

Publication date: 22/09/2025

Pages: 19

Country: International technical standard

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Anotation

Description / Abstract: This document specifies requirements concerning safety systems raised by the application of superconducting magnets in fusion facilities. Safety systems include confinement systems (both static and dynamic types), shielding barriers, penetrations, and supporting systems such as instrumentation and control. The requirements are applicable to both normal and abnormal operation of a fusion facility. For instance, the radiation protection shall be adequate in order to permit the hands-on operation to the electronics and parts for inspection, maintenance and replacement; the hazards associated with superconducting magnets, such as the loss of superconductivity (quench), Paschen breakdown following helium and voltage leakage, shall be prevented from breaching the integrity of safety systems. This document will facilitate the design and assessment of the safety systems in a fusion facility with superconducting magnets for all configurations, such as tokamak, stellarator and magneto-inertial fusion devices. Based on the advancement and maturity of the tokamak configuration, this document outlines safety requirements mostly derived from the tokamak configuration but also applicable to other configurations and layouts that may be adopted by future fusion devices.

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