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Modeling of Self-Heating Mechanism in the Design of Superconducting Limiters



Eduard Rocas, Juan C. Collado Gomez, Jordi Mateu, Nathan D. Orloff, James C. Booth


This work proposes a modeling method to simulate how temperature rise, due to power dissipation, affects the performance of a HTS limiter. The spatial temperature rise distribution across and along a HTS transmission line is determined by heat generation and propagation, for a certain power, frequency, geometry and material properties, and affects the local description of the nonlinearities. To model this, we use an iterative technique that combines the Weeks-Sheen method to calculate the current density distribution with a finite element method to calculate the temperature rise at each point of the transmission line. Simulations of coplanar waveguide HTS limiters on Sapphire and Quartz are presented.
IEEE Transactions on Applied Superconductivity


Self Heating, limiter, superconductor, HTS


Rocas, E. , Collado, J. , Mateu, J. , Orloff, N. and Booth, J. (2010), Modeling of Self-Heating Mechanism in the Design of Superconducting Limiters, IEEE Transactions on Applied Superconductivity, [online], (Accessed April 14, 2024)
Created December 10, 2010, Updated November 10, 2018