← 返回

基于放电的直流母线电解电容状态监测

Discharge-Based Condition Monitoring for Electrolytic DC-Link Capacitors

语言:

中文摘要

电解电容是电力电子变换器中最脆弱的组件之一,其电容值随长期运行而衰减,影响系统稳定性。本文提出了一种低侵入式的电容健康状态监测方法,通过放电特性评估电容老化程度,对于保障变换器长期可靠运行具有重要意义。

English Abstract

Electrolytic capacitors are among the most vulnerable components in power electronic converters, risking their efficient and electrically stable operation. This is due to its decreasing capacitance under long-term stress. Thus, monitoring the capacitance is imperative for ensuring a proper converter's operation. This article proposes a low-invasive method for condition monitoring of the health sta...
S

SunView 深度解读

电解电容是阳光电源组串式/集中式光伏逆变器及PowerTitan/PowerStack储能变流器中的关键功率器件,其寿命直接决定了产品的质保周期与运维成本。该研究提出的低侵入式监测方法,可集成至iSolarCloud智能运维平台,实现对逆变器和PCS直流母线电容的在线预警。建议研发团队将其转化为固件算法,在设备停机或待机期间自动执行健康评估,从而从被动维修转向主动运维,显著降低现场故障率,提升产品全生命周期可靠性。