Study on Self-healing of Poly Vinylidene-fluoride-based Metallized Film Capacitors

LIU Yongbin; ZHANG Yang; GAO Jinghui; YAO Ruifeng; ZHONG Lisheng; ZHANG Yikai; TANG Chao; ZHANG Shehong

doi:10.14044/j.1674-1757.pcrpc.2020.04.007

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Study on Self-healing of Poly Vinylidene-fluoride-based Metallized Film Capacitors

更新时间：2024-09-14

- Study on Self-healing of Poly Vinylidene-fluoride-based Metallized Film Capacitors
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 4, Pages: 37-41(2020)
- 作者机构：
  
  西安交通大学电力设备电气绝缘国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.04.007
  CLC： TM53
- Published：2020，
- 稿件说明：
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[1]刘泳斌,张阳,高景晖,姚睿丰,钟力生,张一恺,唐超,张社红.聚偏氟乙烯基金属化膜电容器自愈特性的研究[J].电力电容器与无功补偿,2020,41(04):37-41+46.

LIU YONGBIN, ZHANG YANG, GAO JINGHUI, et al. Study on Self-healing of Poly Vinylidene-fluoride-based Metallized Film Capacitors. [J]. Power capacitor & reactive power compensation, 2020, 41(4): 37-41.
[1]刘泳斌,张阳,高景晖,姚睿丰,钟力生,张一恺,唐超,张社红.聚偏氟乙烯基金属化膜电容器自愈特性的研究[J].电力电容器与无功补偿,2020,41(04):37-41+46. DOI： 10.14044/j.1674-1757.pcrpc.2020.04.007.

LIU YONGBIN, ZHANG YANG, GAO JINGHUI, et al. Study on Self-healing of Poly Vinylidene-fluoride-based Metallized Film Capacitors. [J]. Power capacitor & reactive power compensation, 2020, 41(4): 37-41. DOI： 10.14044/j.1674-1757.pcrpc.2020.04.007.

摘要

聚偏氟乙烯基聚合物是开发高储能密度金属化膜电容器的重要介质之一

而对其自愈特性的研究是提升储能特性的关键。通过对聚偏氟乙烯/聚甲基丙烯酸甲酯共混（PVDF/PMMA）薄膜与金属化膜电容器心子的耐压试验、自愈点形貌表征与自愈能量等效电路计算

与聚丙烯电容心子对比分析了电容器的击穿场强、自愈能量等特性。发现批量化制薄膜的击穿场强相比实验室制薄膜降低约21%;电容心子贯穿性击穿场强为薄膜击穿场强的54%

心子平均自愈面积大于同等容量聚丙烯心子。在此基础上建立了自愈过程等效电路模型

讨论了PVDF/PMMA电容心子自愈机理。

Abstract

Poly（vinylidene fluoride）-based polar dielectrics are one of the most promising materials to attain high energy density in metallized film capacitors

and the self-healing characteristic is critic al to perform ance.The scale-up films and capacitor prototypes of poly（vinylidene fluoride）/polymethyl methacrylate（PVDF/PMMA） blend are fabricated and their breakdown strength

self-healing energy and et al.were compared with polypropylene through investigations on electric strength test

microscopic observation and calculation.It is found that the breakdown field shows a decline about 21% in the scale-up films

and the capacitors present a further decreased breakdown strength（54% of breakdown strength of films）.The self-healing area of PVDF/PMMA is larger than that in poly propylene.Further equivalent circuit model has been established to describe the self-healing process of PVDF/PMMA metallized film capacitor.

关键词

金属化膜电容器储能密度聚偏氟乙烯自愈

Keywords

metallized film capacitorenergy densitypoly vinylidene fluorideself-healing

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