Study on the Effect of Temperature on Self-healing Properties of Metallized Film Under AC Voltage

WANG Xun; WANG Zhaomeng; XU Menglei; XU Zhiniu; WANG Zijian; YIN Ting; ZHAO DANDan

doi:10.14044/j.1674-1757.pcrpc.2018.03.016

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Study on the Effect of Temperature on Self-healing Properties of Metallized Film Under AC Voltage

更新时间：2024-09-14

- Study on the Effect of Temperature on Self-healing Properties of Metallized Film Under AC Voltage
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 3, Pages: 87-91(2018)
- 作者机构：
  
  1. 华北电力大学河北省输变电设备安全防御重点实验室
  2. 中国电力科学研究院
  3. 国网上海市电力公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.03.016
  CLC： TM53
- Published：2018，
- 稿件说明：
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[1]王荀,王召盟,徐梦蕾,徐志钮,王子建,尹婷,赵丹丹.交流电压条件下温度对金属化膜自愈特性影响规律研究[J].电力电容器与无功补偿,2018,39(03):87-91+95.

WANG XUN, WANG ZHAOMENG, XU MENGLEI, et al. Study on the Effect of Temperature on Self-healing Properties of Metallized Film Under AC Voltage. [J]. Power capacitor & reactive power compensation, 2018, 39(3): 87-91.
[1]王荀,王召盟,徐梦蕾,徐志钮,王子建,尹婷,赵丹丹.交流电压条件下温度对金属化膜自愈特性影响规律研究[J].电力电容器与无功补偿,2018,39(03):87-91+95. DOI： 10.14044/j.1674-1757.pcrpc.2018.03.016.

WANG XUN, WANG ZHAOMENG, XU MENGLEI, et al. Study on the Effect of Temperature on Self-healing Properties of Metallized Film Under AC Voltage. [J]. Power capacitor & reactive power compensation, 2018, 39(3): 87-91. DOI： 10.14044/j.1674-1757.pcrpc.2018.03.016.

摘要

将具备自愈能力的金属化膜电容器应用于电力系统中

能够减少事故的发生

提高安全可靠性。在此基础上

需要克服的困难主要是自愈失败导致的元件彻底击穿和自愈过程的金属层蒸发造成的电容量损失。这两者与金属化膜的自愈特性有着极大的关联。相对于直流电压条件下运行的脉冲电容器

交流电压条件下运行的电力电容器具备较高的运行温度

因此有必要对金属化膜在不同温度下的自愈特性进行研究。搭建自愈特性测试平台

在金属化膜上施加不同的温度

使用电测法测量电压、电流波形

以此得出自愈电压、自愈电流、自愈持续时间和自愈能量。结果表明:温度的升高会使自愈电流、自愈持续时间和自愈能量减小。

Abstract

Application of metallized film capacitor with self-healing capacity to power system can reduce accidents and improve safety and reliability.On this basis

the main difficulties needing to overcome is the complete breakdown due to self-healing failure and capacitance loss caused by metal layer evaporation in the self-healing process.Both of them are more related to the self-healing properties of metallized film.Power capacitor operating under AC voltage condition

compared to the pulse capacitor operating under DC voltage

possesses higher operation temperature.Therefore

it is necessary to study the self-healing characteristics of metallized film at different temperatures.Self-healing properties test platform is established

different temperatures are applied on the metallized film

the voltage and current waveform are measured by electrometric methods so to obtain self-healing voltage

self-healing current

self-healing duration and selfhealing energy.It is shown by the result that rise of temperature can make self-healing current

self-healing duration time and self-healing energy decrease.

关键词

金属化膜电测法自愈特性电力电容器

Keywords

metallized filmelectrometric methodself-healing propertiespower capacitor

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