電暈放電基本結構及其分類形式
電(dian)(dian)暈(yun)放電(dian)(dian)又稱(cheng)低頻放電(dian)(dian),是一種(zhong)氣(qi)體(ti)在(zai)(zai)不均勻電(dian)(dian)場中的(de)局部自(zi)持放電(dian)(dian)。常見的(de)兩種(zhong)電(dian)(dian)暈(yun)放電(dian)(dian)基本裝置如圖1.1所示(shi),其中:電(dian)(dian)壓>15kV,頻率為20kHz~40kHz。外界大氣(qi)壓下,在(zai)(zai)曲率半徑很小(xiao)的(de)電(dian)(dian)極上加載(zai)高電(dian)(dian)壓時(shi),電(dian)(dian)極端(duan)電(dian)(dian)位增加。在(zai)(zai)尖端(duan)電(dian)(dian)極周(zhou)圍,電(dian)(dian)場中存在(zai)(zai)顯著的(de)空間不均勻性(xing),導致該放電(dian)(dian)區...
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