In designing DC XLPE joints, the suppression of interfacial space charge is the most important, which depends on the reasonable permittivity and conductivity coordination of the two insulations.

在直流XLPE电缆接头的设计中，界面空间电荷的抑制是接头设计成功的保证；而对界面空间电荷的抑制就需要界面两侧绝缘的介电常数和电导率的合理配合。

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