STATIC ELECTRIFICATION AND PARTIAL DISCHARGES INDUCED BY OIL FLOW IN POWER TRANSFORMERS

被引：20
|
作者：
PEYRAQUE, L [1 ]
BOISDON, C [1 ]
BEROUAL, A [1 ]
BURET, F [1 ]
机构：
[1] ECOLE CENT LYON,DEPT ELECTROTECH,LYON,FRANCE
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1995年 / 2卷 / 01期
关键词：
D O I：
10.1109/94.368678
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：
This paper presents the study of the major parameters on static electrification, using full-scale shell type transformers (570 MVA, 405 kV and 100 MVA, 500 kV). The consequences of static electrification pn the dielectric strength and the conditions of partial discharge occurrence also are studied with oil flow rate up to 5 times the nominal value. It shows that the leakage currents are strongly influenced by temperature, applied voltage and oil flow rate and. The latter is the most influential parameter. The winding leakage current I varies as Q(n), where 1 less than or equal to n less than or equal to 3. The maximum value of I is observed at room temperature (20 degrees C) when the transformer is energized.
引用
收藏
页码：40 / 45
页数：6
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