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peng zhuang dian li tui xian zuo hua
Author(s): 
Pages: 59-64
Year: Issue:  2
Journal: Transactions of China Electrotechnical Society

Keyword:  陷阱退陷阱化碰撞电离载流子电介质;
Abstract: 介质中被陷阱束缚的电荷载流子,通常以热发射或场致发射方式摆脱陷阱束缚,实现退陷阱化。本文在理论分析和实验证明的基础上,发现陷阱中的电荷载流子,还可以由第三种方式——碰撞电离来实现退陷阱化。理论分析建立了碰撞电离退陷阱化模型,并通过与实验结果相结合,给出了碰撞电离退陷阱化系数。碰撞电离退陷阱化可以作为介质击穿的先导。运用碰撞电离退陷阱化理论,不仅可以解释许多实验现象,而且对于电气设备生产和运行维护也具有重要的实际意义。
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