Study on the Influence of Temperature and Film Thickness on Breakdown Characteristic of Metallized Films Under AC-DC Composite Voltage

LAO Sijia; HE Ying; TANG Yong; WANG Lei; ZHANG Chenchen

doi:10.14044/j.1674-1757.pcrpc.2020.04.003

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Study on the Influence of Temperature and Film Thickness on Breakdown Characteristic of Metallized Films Under AC-DC Composite Voltage

更新时间：2024-09-14

- Study on the Influence of Temperature and Film Thickness on Breakdown Characteristic of Metallized Films Under AC-DC Composite Voltage
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 4, Pages: 12-17(2020)
- 作者机构：
  
  1. 中国电力科学研究院有限公司
  2. 国网安徽省电力有限公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.04.003
  CLC： TM53
- Published：2020，
- 稿件说明：
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[1]劳斯佳,何樱,唐勇,王磊,张晨晨.交直流复合电压下温度和膜厚对金属化膜击穿特性影响研究[J].电力电容器与无功补偿,2020,41(04):12-17.

LAO SIJIA, HE YING, TANG YONG, et al. Study on the Influence of Temperature and Film Thickness on Breakdown Characteristic of Metallized Films Under AC-DC Composite Voltage. [J]. Power capacitor & reactive power compensation, 2020, 41(4): 12-17.
[1]劳斯佳,何樱,唐勇,王磊,张晨晨.交直流复合电压下温度和膜厚对金属化膜击穿特性影响研究[J].电力电容器与无功补偿,2020,41(04):12-17. DOI： 10.14044/j.1674-1757.pcrpc.2020.04.003.

LAO SIJIA, HE YING, TANG YONG, et al. Study on the Influence of Temperature and Film Thickness on Breakdown Characteristic of Metallized Films Under AC-DC Composite Voltage. [J]. Power capacitor & reactive power compensation, 2020, 41(4): 12-17. DOI： 10.14044/j.1674-1757.pcrpc.2020.04.003.

摘要

本文对不同温度和不同膜厚条件下的交直流电场叠加下的金属化膜的击穿特性进行了试验研究

试验结果表明

金属化膜的击穿强度随着温度的升高和膜厚的增加而下降。因此本文建议在金属化膜电容器设计过程中采用一定优化元件的排列方式以加强散热

在其运行过程中要采取一定的冷却方法来降低金属化膜电容器的温度以提高电容器的绝缘性能

在选择电容器膜厚的时候可以根据其所处的电压等级进行选择并根据实际条件综合考虑。本文的研究成果能够给金属化膜电容器的绝缘性能设计以及工作性能的优化提供参考。

Abstract

In this paper

the test and study on breakdown characteristic of the metallized film under superposition of AC and DC electric fields at different temperatures and film thickness conditions are performed.It is shown by the test result that the breakdown strength of the metallized film decreases with the rise of temperature and the increase of film thickness.Therefore

it is suggested this paper adopting arrangement with definite optimization element in the design process of the metallized film capacitor so to enhance heat dissipation.During its operation

a definite cooling method should be adopted to reduce the temperature of metallized film capacitors so to improve the dielectric performance of the capacitor.In case of selecting film thickness of capacitor

it shall be selected in accordance with its voltage level with comprehensive consideration as per actual situation.The study result of this paper can be able to provide a reference for the design of dielectric performance and optimization of operating performance of such capacitor.

关键词

温度膜厚金属化膜击穿特性

Keywords

temperaturefilm thicknessmetallized filmbreakdown characteristics

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