TY  - SER
AU  - li, Jian
AU  - Wang, Yan
AU  - Bao, lianwei
TI  - Space Charge Behavior of Oil-Impregnated Paper Insulation Aging at Ac-Dc Combined Voltages
KW  - Oil-Paper Insulation
KW  - Pea
KW  - Apparent Mobility
ER  -