Calculation for Electrode Heating of Metalized Film Capacitor

LI Haoyuan; YIN Ting; YAN Fei; LI Hua; LI Zhiwei

doi:10.14044/j.1674-1757.pcrpc.2015.05.007

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Calculation for Electrode Heating of Metalized Film Capacitor

更新时间：2024-09-14

- Calculation for Electrode Heating of Metalized Film Capacitor
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 36, Issue 5, Pages: 37-40(2015)
- 作者机构：
  
  1. 华中科技大学强电磁工程与新技术国家重点实验室
  2. 中国电力科学研究院武汉高压研究所
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2015.05.007
  CLC： TM53
- Published：2015，
- 稿件说明：
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[1]李浩原,尹婷,严飞,李化,李智威.金属化膜电容器极板发热计算[J].电力电容器与无功补偿,2015,36(05):37-40.

LI HAOYUAN, YIN TING, YAN FEI, et al. Calculation for Electrode Heating of Metalized Film Capacitor. [J]. Power capacitor & reactive power compensation, 2015, 36(5): 37-40.
[1]李浩原,尹婷,严飞,李化,李智威.金属化膜电容器极板发热计算[J].电力电容器与无功补偿,2015,36(05):37-40. DOI： 10.14044/j.1674-1757.pcrpc.2015.05.007.

LI HAOYUAN, YIN TING, YAN FEI, et al. Calculation for Electrode Heating of Metalized Film Capacitor. [J]. Power capacitor & reactive power compensation, 2015, 36(5): 37-40. DOI： 10.14044/j.1674-1757.pcrpc.2015.05.007.

摘要

应用于交流或脉冲放电领域的金属化膜电容器

由于蒸镀的金属电极很薄

电极电阻较大

发热是其在工作中不可忽视的一个问题。而当电容器内部温度显著升高时

介质的介电性能会下降

使用寿命就会显著缩短。因此

有必要对金属化膜电容器的电极发热进行计算

从而对其发热情况进行评估。计算了金属化膜电容器的电极发热功率和沿膜宽方向的发热功率密度

并对恒定方阻和渐变方阻电容器的发热进行了对比分析。

Abstract

For the metalized film capacitors applied to AC or pulse discharge

the heating of the electrode is an assignable issue due to very thin metalized electrode and big electrode resistance. In case of remarkable temperature rise inside the capacitor

the dielectric performance of the medium will be reduced and the operation life will be greatly shortened. Therefore

it is necessary to calculate the electrode heating of the metalized film capacitor and evaluate its heating. In this paper

the electrode heating power and heating power density along the transverse direction of the capacitor are calculated

and the heating of constant sheet resistance and ramp sheet resistance are compared and analyzed.

关键词

发热功率金属化膜电容器方阻

Keywords

heating powermetalized filmcapacitorsheet resistance

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Related Author

YIN Ting

YAN Fei

LI Haoyuan

LI Hua

LI Zhiwei

LEI Meimei

LIU Shuiping

YANG Yonggang

Related Institution

Wuhan High Voltage Research Institute,Electric Power Research Institute of China

Xi’an XD Power Capacitor Co., Ltd.

China Southern Power Grid Research Institute Co., Ltd.

Anhui Tongfeng Electronics Co, Ltd

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