本文将井下供电网路多种故障归结为“电流不对称”现象，以其作为保护动作的反映源。
Paper sums up various faults occurring in underground power network as a phenomenon of current unsymmetry, by the display of which the protection is thereby activated.
本文将井下供电网路多种故障归结为“电流不对称”现象，以其作为保护动作的反映源。
Paper sums up various faults occurring in underground power network as a phenomenon of current unsymmetry, by the display of which the protection is thereby activated.
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