With the increase of used cable lines, the problem of arc grounding overvoltage is more prominent.
随着配电网中采用的电缆线路的增多,弧光接地过电压问题日益突出。
It was reported that the overvoltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way.
但经多年的运行,各地普遍认为小电阻接地方式比消弧线圈接地方式的过电压水平要低,但同时反映出的运行状况却存在较大差异。
Paper covers temporary overvoltages, second arc current, switching overvoltage, major parameters of MOA and insulation level of UHV AC apparatus.
主要内容包括:工频暂时过电压,潜供电流,操作过电压,金属氧化物避雷器主要参数,特高压电气设备的绝缘水平等。
Analysis of grounded overvoltage through arc at field has been also carried out.
并对实际发生的弧光接地过电压进行了分析。
The mechanism of chopped wave overvoltage of transformers caused by insulator arc-over chopped wave after lighting stroke terminal tower is analysis emphasize.
针对截波产生的原因,重点分析了雷击变电站终端杆塔使绝缘子闪络产生截波,并引起变压器截波过电压的机理。
The mechanism of chopped wave overvoltage of transformers caused by insulator arc-over chopped wave after lighting stroke terminal tower is analysis emphasize.
针对截波产生的原因,重点分析了雷击变电站终端杆塔使绝缘子闪络产生截波,并引起变压器截波过电压的机理。
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