T/CPSS 1011-2022 Nuclear fusion magnetic coil power supply plasma breakdown switch network system design technology guidelines

Scope

Scope: This guideline specifies the technical requirements and corresponding recommended technical solutions for the function, design, and operation of the plasma breakdown switch network system of the fusion magnet power supply; Main technical content: In the magnet power supply of fusion devices, a switch network is used to actively disconnect and generate high voltage, thereby generating plasma current through high-voltage breakdown during the initial discharge. The core equipment of the switch network system is high-current DC switches with precise breaking control and high repeatability, as well as discharge resistance devices. There is a lack of corresponding guidance specifications and unified implementation standards for the design of switch networks under these application conditions, while general electrical switch design specifications cannot cover the special operating conditions of the switch network systems in fusion devices. This standard addresses the special requirements of switch network systems in fusion devices and, combined with the current design and DC switch technology development of fusion power supply switch networks, proposes universal design guidelines covering the topology design and testing of switch network systems. The purpose and significance of this standard are as follows: 1. Define and standardize the design criteria and requirements of the switch network system for fusion magnet power supplies; 2. Define and standardize the content and requirements of type certification tests, factory acceptance tests, and on-site acceptance tests for equipment and systems of the switch network system for fusion magnet power supplies; 3. Fill the gaps in relevant standards for the switch network system of fusion magnet power supplies; 4. The preparation and implementation of this technical specification will drive more manufacturers and research units to design, produce, and test such special systems according to the standard, thereby overall im

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