Failure mode analysis of oil-free pulse capacitors

机译：无油脉冲电容器的故障模式分析

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The failure mode analysis is conducted for the Oil-free (dry) Can-less pulse capacitors of 6kV working voltage. Pulse capacitor stability directly influences the dependability of the pulse power system, in which, capacitor located in. This capacitor is discharged in a low inductive circuit with sub-microsecond rise time of kA current peak pulse. Oil impregnated metal can capacitor delivers high power to the load. But use of these capacitors is limited due to high self inductance, higher weight, volume and oil leakage problems. Bi-axially oriented polypropylene (BOPP) film and aluminum foil with extended foil compact design oil-free capacitor delivers moderately high power, which comes closest to fulfilling the need. This paper describes the work done at High Voltage Laboratory in the field of oil-free pulse capacitors development and the analysis carried during development and testing of these capacitors. Which helps to improve the material, design, process, testing methods etc to develop an oil-free. Failure mode of the capacitors and some of the failed capacitors photographs are also presented

机译：对工作电压为6kV的无油（干式）无罐式脉冲电容器进行了故障模式分析。脉冲电容器的稳定性直接影响其中放置电容器的脉冲电源系统的可靠性。该电容器在低电感电路中放电，亚微秒上升时间为kA电流峰值脉冲。浸油的金属罐电容器可为负载提供高功率。但是由于高自感，较高的重量，体积和漏油问题，限制了这些电容器的使用。双轴取向聚丙烯（BOPP）膜和铝箔以及扩展了箔的紧凑设计的无油电容器可提供适度的高功率，最接近满足需求。本文介绍了高压实验室在无油脉冲电容器开发领域所做的工作，以及在这些电容器的开发和测试过程中进行的分析。这有助于改善材料，设计，工艺，测试方法等，从而开发出无油产品。还介绍了电容器的失效模式和一些失效的电容器照片

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来源
《2013 IEEE 1st International Conference on Condition Assessment Techniques in Electrical Systems》|2013年|154-162|共9页
会议地点 Kolkata(IN)
作者
Sharma Ravindra Kumar; Gurav Manohar A; Chavan Satish G;
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作者单位

Bhabha Atomic Research Centre Mumbai, India;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Pulse Capacitor; insulation failure; leakage current; resin;

机译：脉冲电容器;绝缘故障;漏电流;树脂;;

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Failure mode analysis of oil-free pulse capacitors

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