摘要
从下列三个方面叙述了石英砂中电弧与其他介质中电弧特性不同之处:①它是一种在金属和石英砂蒸汽中燃烧的电弧其弧柱截面积受石英砂限制,不能自由扩张;②它的伏安特性呈V形;③大电流时的熄弧原理是基于电弧电压高于电源电压。
The differences of arc characteristics in quartz sand from in others are mainly on three aspects: 1, it burns in metal and quartz vapour, and the cross section of arc column is limited by sand and can not expand freely; 2, it's V-A charateristic shows 'V shape; 3. the condition of arc extinguishing is that the arc voltage is higher than the circuit-Source voltage.
出处
《高压电器》
CAS
CSCD
北大核心
1992年第2期27-30,共4页
High Voltage Apparatus
关键词
电弧
熔体
石英砂
熔断器
fuse, arc, characteristic, quartz sand
