The effect of non-sinusoidal voltage on intrinsic aging of cable and capacitor insulating materials

被引：58

作者：

Montanari, GC ^{[1
]}

Fabiani, D ^{[1
]}

机构：

[1] Univ Bologna, Dept Elect Engn, Bologna, Italy

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1999年 / 6卷 / 06期

关键词：

D O I：

10.1109/94.822018

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 investigates the effect of non-sinusoidal voltage, i.e. voltage affected by the presence of harmonics, on intrinsic aging of cable and capacitor insulating materials, ie, crosslinked polyethylene (XLPE) and polypropylene (pr). The results of life tests under sinusoidal and distorted voltage, the latter obtained superimposing one or more harmonics on the 50 Hz component, are processed by statistical techniques derived from design-of-experiment procedures. It is shown that the factor predominant on aging acceleration due to the voltage distortion is voltage-peak increase, but also waveform slope and voltage rms value have statistical significance. Life models are obtained for chi LPE and pr insulating materials, which show the endurance of the two materials to aging under non-sinusoidal conditions.

引用

页码：798 / 802

页数：5

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