Thermal Dependency of Dielectric Properties of Liquid Insulating Materials

被引：0
|
作者：
Cimbala, Roman [1 ]
Kocunova, Iraida [1 ]
Dedinska, Lydia [1 ]
Cackova, Vieroslava [1 ]
机构：
[1] Tech Univ Kosiciach, Fak Elektrotech & Informat, Katedra Elektroenerget, Kosice 04120, Slovakia
来源：
11TH INTERNATIONAL SCIENTIFIC CONFERENCE ELECTRIC POWER ENGINEERING 2010, PROCEEDINGS | 2010年
关键词：
Dielectric loss factor tg delta; Insulation resistance; IRC analysis; Liquid insulating materials;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Insulating liquid materials should have stable high-quality properties not only in the original state, but also during up the time in operation. The stability of insulating oils has an essential meaning during operation, because they work under high temperatures usually with presence of oxygen, so they should be thermal and oxidation resistant. Dielectric quantities like dissipation factor, permittivity, insulation resistance and isothermal relaxation current were measured and they are discussed in the paper. Samples of transformer mineral oil, silicon oil and oil based on natural esters are compared.
引用
收藏
页码：743 / 747
页数：5
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