检索结果-南通市图书馆

Aging Mechanism and Life Estimation of Photovoltaic Inverter dc-link capacitors in Alternating Humid and Thermal Environment

引用

Chinese Journal of Electrical Engineering 2024年第1期10卷 48-62页

作者： Quanyi Gao Shuaibing Li Yi Cui Yongqiang Kang Haiying Dong School of New Energy and Power Engineering Lanzhou Jiaotong UniversityLanzhou 730070China State Key Laboratory of Large Electric Drive System and Equipment Technology Tianshui 741000China School of Engineering University of Southern QueenslandSpringfield 4300Australia

dc-link capacitors play a vital role in managing ripple voltage and current in converters and various *** study focuses on exploring the aging characteristics of dc-link capacitors in alternating humid and thermal environments aligned with the operational conditions in photovoltaic and wind power *** to relevant power equipment standards,we designed a 24-h alternating humid and thermal aging environment tailored to the requirements of dc-link *** aging test platform is established,and 20 widely used metallized polypropylene film capacitors are selected for *** such as the capacitance,equivalent series resistance(ESR),and phase angle are assessed during aging,as well as the onset time and extent of aging at various *** study focuses on the aging mechanisms,analyzing electrode corrosion,the self-healing process,and dielectric *** the aging characteristics enabled us to calculate the lifespan of the capacitor and predict it under different degrees of capacitance *** results show that under alternating humid and thermal conditions,capacitance attenuation and ESR increase exhibit exponential nonlinearity,influenced by factors such as the oxidation and self-healing of capacitive metal electrodes,dielectric main-chain fracture,and crystal *** study underscores the pivotal role of encapsulation in determining the aging decay time.

关键词： dc-link capacitors aging mechanism life prediction metallized film capacitors

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：