Partial discharge measurements of DC insulation systems: the influence of the energization transient

被引：0
|
作者：
Seri, P. [1 ]
Ghosh, R. [1 ]
Cirioni, L. [1 ]
Montanan, G. C. [2 ]
机构：
[1] Univ Bologna, Dept Elect Elect & Informat Engn Guglielmo Marcon, Bologna, Italy
[2] Florida State Univ, Ctr Adv Power Syst, Tallahassee, FL USA
来源：
2019 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2019年
基金：
欧盟地平线“2020”;
关键词：
PAPER;
D O I：
10.1109/ceidp47102.2019.9009705
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 introduces techniques for partial discharge, PD, recognition under DC, both in steady state and in transient condition, during which the field in insulation varies slowly from a permittivity-driven to a conductivity-driven profile. This transient can be significantly long, depending on insulating material characteristics, and condition PD phenomenology and impact of PD on insulation life. Focusing mainly on the behavior of PD repetition rate as a function of time, after insulation energization by a DC voltage step, PD triggered by transient field can be separated from those relevant to steady state, which may indicate a criterion to estimate the partial discharge inception voltage, PDIV, under DC supply.
引用
收藏
页码：377 / 380
页数：4
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