粘度降低对变压器和开关柜油电气特性的影响

Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316) Pub Date : 2002-04-07 DOI:10.1109/ELINSL.2002.995951

M. Pompili, C. Mazzetti

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引用次数: 9

摘要

比较了适用于变压器和开关设备的两种不同粘度矿物油的电气特性。研究发现，高粘度油在较高温度下表现出较大的介质损耗，但其交流击穿强度和脉冲击穿强度较低，且具有较低的局部放电起始电压。

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Effect of reduced viscosity on the electrical characteristics of transformer and switchgear oils

The electrical characteristics of two mineral oils of different viscosity, suitable for use in transformers and switchgears, are compared. It is found that, whereas the higher viscosity oil exhibits greater dielectric losses at more elevated temperatures, it has lower AC and impulse breakdown strength and is characterized by a lower partial discharge inception voltage.

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Conference Record of the the 2002 IEEE International Symposium on Electrical Insulation (Cat. No.02CH37316)

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