It was concluded that charge injection and recombination would restrict the field electron emission, and increase the threshold voltage of flashover and decrease its scattering. 發(fā)生在絕緣體表層的電荷注入和復合過(guò)程能夠在一定程度上抑制場(chǎng)致電子發(fā)射,從而提高沿面閃絡(luò )電壓,并降低閃絡(luò )電壓值的分散性。