Expected Lifetime Evaluation of Oil-impregnated Paper Capacitors

被引：0
|
作者：
Yoshida, Masanobu [1 ]
Nagaki, Yuya [2 ,3 ]
Kojima, Hiroki [4 ]
Hayakawa, Naoki [4 ]
机构：
[1] Chubu Elect Power Co Inc, R&D Div, Nagoya, Aichi, Japan
[2] Chubu Elect Power Grid Co Inc, Nagoya, Aichi, Japan
[3] Nagoya Univ, Nagoya, Aichi, Japan
[4] Nagoya Univ, Dept Elect Engn, Nagoya, Aichi, Japan
来源：
2022 IEEE 21ST INTERNATIONAL CONFERENCE ON DIELECTRIC LIQUIDS (ICDL) | 2022年
关键词：
oil-impregnated paper capacitors; deterioration; capacitor voltage transformer; static capacitor;
D O I：
10.1109/ICDL49583.2022.9830938
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 describes the concept of a method for evaluating the insulation lifetime for oil-impregnated paper capacitors in capacitor voltage transformers (CVTs), based on the short-term breakdown characteristics and partial discharge inception characteristics of aged oil-impregnated paper capacitors. In addition, the time margin (lead time) from the inception of partial discharge to breakdown at the operating electric field of CVT is evaluated.
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页数：4
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