Summary
This paper investigates a novel quench detection method employing micro-electro-mechanical system (MEMS) acoustic sensor technology for high-temperature superconducting cables, specifically REBCO tape conductors used in cable-in-conduit configurations. The work demonstrates that MEMS piezoelectric microphone sensors installed along a superconducting cable can reliably detect localised quench events in liquid nitrogen environments, with implications for toroidal field magnet systems in fusion reactor applications.
UK applicability
This research is not directly applicable to UK agricultural, soil health, or food systems contexts. It addresses superconductor technology for fusion energy infrastructure.
Key measures
Quench detection sensitivity and response time using MEMS piezoelectric microphone sensors in liquid nitrogen cooling channels
Outcomes reported
The study demonstrated that acoustic MEMS piezoelectric microphone sensors can detect quench events in high-temperature superconducting REBCO tape cables submerged in liquid nitrogen. A sensor array design was proposed and evaluated for application in toroidal field magnets of fusion Tokamak devices.
Topic tags
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