電暈放電基本結構及其分類形式
電(dian)(dian)(dian)(dian)(dian)暈放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)又稱低頻放(fang)(fang)電(dian)(dian)(dian)(dian)(dian),是一種(zhong)氣體在(zai)不(bu)均勻電(dian)(dian)(dian)(dian)(dian)場(chang)中的局部自持放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)。常(chang)見的兩種(zhong)電(dian)(dian)(dian)(dian)(dian)暈放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)基(ji)本裝置如圖(tu)1.1所(suo)示,其中:電(dian)(dian)(dian)(dian)(dian)壓(ya)>15kV,頻率(lv)為20kHz~40kHz。外界大(da)氣壓(ya)下(xia),在(zai)曲率(lv)半徑很小的電(dian)(dian)(dian)(dian)(dian)極上(shang)加(jia)載高電(dian)(dian)(dian)(dian)(dian)壓(ya)時,電(dian)(dian)(dian)(dian)(dian)極端電(dian)(dian)(dian)(dian)(dian)位增(zeng)加(jia)。在(zai)尖端電(dian)(dian)(dian)(dian)(dian)極周圍,電(dian)(dian)(dian)(dian)(dian)場(chang)中存在(zai)顯著的空間不(bu)均勻性(xing),導致該放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)區...
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