Study on Stray Inductance Measurement Method of DC-link Capacitor

GAI Bin; CHEN Yan; ZHAO Xiaojun; ZHAO Liang; CAI Jun

doi:10.14044/j.1674-1757.pcrpc.2021.05.013

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Study on Stray Inductance Measurement Method of DC-link Capacitor

更新时间：2024-09-14

- Study on Stray Inductance Measurement Method of DC-link Capacitor
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 42, Issue 5, Pages: 77-82(2021)
- 作者机构：
  
  西安高压电器研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2021.05.013
  CLC： TM53
- Published：2021，
- 稿件说明：
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GAI BIN, CHEN YAN, ZHAO XIAOJUN, et al. Study on Stray Inductance Measurement Method of DC-link Capacitor. [J]. Power capacitor & reactive power compensation, 2021, 42(5): 77-82.
DOI：

GAI BIN, CHEN YAN, ZHAO XIAOJUN, et al. Study on Stray Inductance Measurement Method of DC-link Capacitor. [J]. Power capacitor & reactive power compensation, 2021, 42(5): 77-82. DOI： 10.14044/j.1674-1757.pcrpc.2021.05.013.

摘要

自1997年第一条柔性直流输电试验工程在瑞典Hellsjon投运以来

经过多年的发展

国内外已建成并投运数十条柔性直流输电线路

但模块化多电平结构的柔性直流输电线路在2010年左右才开始投入建设、运行

总体运行时间较短

各设备运行参数仍处于积累阶段。对于MMC功率模块中使用的直流支撑电容器(DC-Link capacitor)

对于其具体使用工况和应用条件等详细参数仍需要进一步的研究

因此

对于此类电容器的试验条件和方法仍有待研究

本文从实际应用角度出发

分析了杂散电感测量试验的目的

讨论了相关试验方法

可为实验室实施提供一定参考。

Abstract

Since the operation of the first flexible HVDC transmission line in 1997 in Hellsjon

Sweden and throughout many-year development

dozens of flexible HVDC transmission lines have been constructed and put into operation both at home and abroad. However

the flexible HVDC transmission lines with modular multilevel structure just started construction and operation around 2010. The overall operation time is relatively short and the the operation parameters of each equipment are still in accumulation stage. For the DC-link capacitor used in MMC power modules

further study for such detailed parameters as specific operating conditions and application conditions is still needed. Therefore

the test conditions and methods for this type of capacitor remain to be studied. From the perspective of practical application

the purpose of the stray inductance measurement test is analyzed and the relevant test methods are discussed

which can provide some reference for laboratory implementation.

关键词

直流支撑电容器杂散电感电感

Keywords

DC-link capacitorstray inductanceinductance

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