Deep Discharge Recovery with the AML&amp;P SMES Helium Refrigeration System

Kelley, J. P.; Clausen, J. J.; Kuendig, A.; Senn, A.-E.; Dixon, K.

doi:10.1007/978-1-4757-9047-4_142

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2016

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“…However, this situation has been changed. Helium refrigerator design for pulsed heat loads in tokamaks highlighted the requirements for cryogenic plants to cope with the expected load variations of future fusion reactors [1] . The design and control of the cryogenic system based on static calculation and operators' experience is not enough.…”

Section: Introductionmentioning

confidence: 99%

Process Modeling and Dynamic Simulation for EAST Helium Refrigerator

Lu¹,

Peng²,

Ming³

et al. 2016

Plasma Sci. Technol.

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In this paper, the process modeling and dynamic simulation for the EAST helium refrigerator has been completed. The cryogenic process model is described and the main components are customized in detail. The process model is controlled by the PLC simulator, and the realtime communication between the process model and the controllers is achieved by a customized interface. Validation of the process model has been confirmed based on EAST experimental data during the cool down process of 300-80 K. Simulation results indicate that this process simulator is able to reproduce dynamic behaviors of the EAST helium refrigerator very well for the operation of long pulsed plasma discharge. The cryogenic process simulator based on control architecture is available for operation optimization and control design of EAST cryogenic systems to cope with the long pulsed heat loads in the future.

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Section: Introductionmentioning

confidence: 99%