环境友好型直流电缆料聚丙烯绝缘的电树枝研究进展
朱乐为,杜伯学

Research Status on Electrical Tree of Polymer Insulation Materials in HVDC Cables
Zhu Lewei,Du Boxue
图6 不同幅值直流电压与+25kV脉冲电压复合时从针尖到地电极的电场分布模拟[24]
Fig.6 The simulated electric field distribution of different DC amplitudes and +25kV pulse combined voltages from the needle tip to the ground electrode[24]