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Design of the Personnel Radiation Safety Interlock System for High Intensity D–T Fusion Neutron Generator

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Abstract

High intensity D–T fusion neutron generator (HINEG), which is designed to be operated in continuous and pulsed modes, provides a significant experimental platform for numerous nuclear technology researches. In this paper, the personnel radiation safety interlock system for HINEG is designed with the objective of protecting personnel from radiation hazards and assisting operators in ensuring a safe HINEG operation. This safety interlock system monitors all the safety devices and controls permission signals for every subsystem of HINEG in accordance with safety interlocking constraints. A Safety PLC is employed as the central controller, which adopts time redundancy and difference comparison instead of structure redundancy. A high-speed redundancy optical fiber ring network configured with 2 SCALANCE X104-2 industrial switches is developed, this construction is able to accomplish network reconfiguration within a few milliseconds when a communication failure occurs. A friendly visual operation interface, which runs on an IPC and communicates with Safety PLC by PROFIsafe protocol, is developed for operators to manage the devices intuitively.

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Acknowledgments

This work is supported by the Strategic Priority Science and Technology Program of the Chinese Academy of Sciences (No. XDA03040000) and ITER 973 Program (No. 2014GB112001). Sincere thanks would also be given to the other members of FDS Team for their great helps in this research.

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Authors and Affiliations

  1. Key Laboratory of Neutronics and Radiation Safety, Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, 230031, Anhui, China

    Weitian Wang, Yong Song, Jianye Wang, Peng Xu, Liang Wang, Fupeng Qiu, Yongfeng Wang & Gang Song

  2. University of Science and Technology of China, Hefei, 230026, Anhui, China

    Weitian Wang

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  1. Weitian Wang
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  2. Yong Song
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  3. Jianye Wang
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  4. Peng Xu
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  5. Liang Wang
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  6. Fupeng Qiu
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  7. Yongfeng Wang
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  8. Gang Song
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Corresponding author

Correspondence to Yong Song.

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Wang, W., Song, Y., Wang, J. et al. Design of the Personnel Radiation Safety Interlock System for High Intensity D–T Fusion Neutron Generator. J Fusion Energ 34, 346–351 (2015). https://doi.org/10.1007/s10894-014-9807-1

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  • DOI: https://doi.org/10.1007/s10894-014-9807-1

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