Simulation of Apparent and True Charges of Partial Discharges

被引：4

作者：

Ovsyannikov, Alexander G. ^{[1
]}

Korobeynikov, Sergey M. ^{[2
,3
]}

Vagin, Denis V. ^{[4
]}

机构：

[1] Novosibirsk State Tech Univ, Dept High Voltage Engn & Electrophys, 20 K Marx Ave, Novosibirsk 630073, Russia

[2] Novosibirsk State Tech Univ, Dept Ind Safety, 20 K Marx Ave, Novosibirsk 630073, Russia

[3] Lavrentyev Inst Hydrodynam SB RAS, 13-3 Lavrentyev Ave, Novosibirsk 630090, Russia

[4] Novosibirsk State Tech Univ, Dept Appl Math, 20 K Marx Ave, Novosibirsk 630073, Russia

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2017年 / 24卷 / 06期

关键词：

True charge; Apparent charge; Partial discharge; Transformer oil; Bubbles; Simulation; Measurement; SOLID DIELECTRICS; PD; CAVITIES;

D O I：

10.1109/TDEI.2017.006635

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Here it is considered partial discharges in the bubbles inserted in the fluid volume in the case of electrode systems "plane-plane" and "point-plane". The calculated "true" and "apparent" charges show that the apparent charge is many times smaller than the true charge. Smaller bubble size leads to greater ratio of the true charge to the apparent charge. There are two cases when the values of these charges are close. First case: the size of the bubble is large enough, namely close to the value of the gap in the case of flat electrodes. Second case: the void is in contact with the electrode. The latter case is realized in the case of the electrode system "point-plane". The experimental and calculated data are compared for this case.

引用

页码：3687 / 3693

页数：7

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