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The measurement and analysis of the spatial morphology and dynamic characteristics of the electric arc plasma inside low voltage circuit breaker is an effective way to improve its breaking performance and modern testing techniques have been applied to the experimental study on switching arc plasma in recent years. However, these techniques usually need to destroy the extinguishing chamber wall and...
This paper explores the magnetic inverse problem of reconstructing the current density distribution in low-voltage circuit breakers by inverting its magnetic field. The focus is on the modeling and solution phase for the stationary configuration where the effect of magnetization in splitters is considered. A new reconstruction procedure is proposed in this paper by taking the magnetization as a mapping...
The sheet electron beam focused by periodic cusped magnetic (PCM) focusing structure could transport more stable than uniform magnetic field because of diocotron instability. We simulated, fabricate and test a w sheet electron beam klystron with multi-gaps extended interaction cavities. To obtain particular intensity of magnetic field, two pieces of PCM focusing structure had a short distance, and...
This paper presents a new type of klystron, in which multiple sector-ring beam, coaxial beam tunnel with isolated gates, and coaxial RF circuit are adopted to facilitate an excellent all-round performance. A multiple sector-ring beam gun is designed, and the beam characters under various magnetic fields are analyzed.
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