磁场对小电流直流真空电弧维持的影响

XXIst International Symposium on Discharges and Electrical Insulation in Vacuum, 2004. Proceedings. ISDEIV. Pub Date : 2004-09-27 DOI:10.1109/DEIV.2004.1418655

K. Tsuruta, M. Nakajima, M. Kitaura, T. Yanagidaira

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引用次数: 4

摘要

实验研究了磁场对小于10A的小电流直流真空电弧不稳定性的影响。采用一对圆盘磁铁组成的小于100mT的轴向磁场，70 ~ 300mT的螺线管线圈组成的轴向磁场，以及小于40mT的圆盘磁铁组成的带径向分量的轴向磁场。施加轴向磁场会使电弧变得不稳定，电弧电压升高。结果，电弧的寿命随着磁场的增加而减少。

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Effect of magnetic field on sustainment of low-current DC vacuum arcs

Effect of magnetic fields on the instability of low current DC vacuum arcs, less than 10A, were examined experimentally. An axial magnetic field less than 100mT composed of a pair of disc magnets, an axial magnetic field by a solenoid coil in a range of 70 to 300mT, and an axial magnetic filed with a radial component by a disc magnet less than 40mT were used. It appeared that the arcs become unstable and the arc voltages rise by applying axial fields. As a result the lifetimes of the arcs rather decreased with increasing magnetic fields.

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来源期刊

XXIst International Symposium on Discharges and Electrical Insulation in Vacuum, 2004. Proceedings. ISDEIV.

CiteScore

0.40

自引率

0.00%

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