MEASUREMENT OF TIME-LAG OF ELECTRICAL BREAKDOWN IN POLYMETHYLMETHACRYLATE UNDER HIGHLY NONUNIFORM FIELD USING NANOSECOND PULSE VOLTAGE

被引：1
|
作者：
YAMADA, H [1 ]
KIMURA, S [1 ]
TANIGUCHI, H [1 ]
FUJIWARA, T [1 ]
机构：
[1] IWATE MED UNIV,SCH GEN EDUC,DEPT PHYS,MORIOKA,IWATE 020,JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1992年 / 31卷 / 5A期
关键词：
BREAKDOWN PHENOMENA; POLYMETHYLMETHACRYLATE; NANOSECOND BREAKDOWN; BREAKDOWN PROPAGATION VELOCITY; PREBREAKDOWN CURRENT; BREAKDOWN TIME LAG;
D O I：
10.1143/JJAP.31.L576
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The waveform of prebreakdown current in polymethylmethacrylate for positive polarity has been observed using a 760 ns rectangular high-voltage pulse. A linear relation to formative time lag and gap spacing is obtained for gap lengths greater than a critical value, indicating a constant propagation velocity in this region. The velocity is deduced from the relation to be 2.2 km.s-1 at 50 kV.
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收藏
页码：L576 / L578
页数：3
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