Effect of Fe3O4 nanoparticles on space charge distribution in propylene carbonate under impulse voltage
Effect of Fe3O4 nanoparticles on space charge distribution in propylene carbonate under impulse voltage
复制标题
脉冲电压下 Fe3O4 纳米粒子对碳酸丙烯酯空间电荷分布的影响
DOI:
10.1063/1.4939542
复制
发表时间:
2015-12
期刊:
影响因子:
1.6
通讯作者:
Chen, Qiulin
中科院分区:
文献类型:
--
作者:
Song, He;Yang, Qing;Guo, Hongda;Chen, Qiulin
Addition of nanoparticles of the ferromagnetic material Fe3O4 can increase the positive impulse breakdown voltage of propylene carbonate by 11.65%. To further investigate the effect of ferromagnetic nanoparticles on the space charge distribution in the discharge process, the present work set up a Kerr electro-optic field mapping measurement system using an array photodetector to carry out time-continuous measurement of the electric field and space charge distribution in propylene carbonate before and after modification. Test results show that fast electrons can be captured by Fe3O4 nanoparticles and converted into relatively slow, negatively charged particles, inhibiting the generation and transportation of the space charge, especially the negative space charge.
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DOI:
10.1109/tei.1985.348821
发表时间:
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期刊:
IEEE Transactions on Electrical Insulation
影响因子:
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