Application of Voltage Response Measurement on Low Voltage Cables

被引：13

作者：

Tamus, Z. A. ^{[1
]}

Berta, I. ^{[1
]}

机构：

[1] Budapest Univ Technol & Econ, H-1111 Budapest, Hungary

来源：

2009 IEEE ELECTRICAL INSULATION CONFERENCE | 2009年

关键词：

INSULATION;

D O I：

10.1109/EIC.2009.5166387

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：

The application of voltage response measurement is a very effective tool to determine of the aging state of oil-paper insulated cables. The initial slope of the decay voltage is directly proportional to the conductivity of the insulation and the initial slope of the return voltage is proportional to the intensity of polarization processes. Therefore, the two main deterioration processes (moistening and thermal aging) of oil-paper insulation can be examined independently. In this paper, the application of voltage response method is examined on laboratory aged low voltage polymeric (PVC and PE) insulated cables and the results were compared to the results of chemical and breakdown tests. By the using of voltage response method the aging state of the insulation i.e. the probable decrease of dielectric strength can be detected.

引用

页码：444 / 447

页数：4

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