• 首页|关于本刊|编委阵容|投稿指南|审稿指南|订阅指南|征稿启事|诚邀专家|学术道德|English
  • E-mail:
  • 密 码: 
  •    
  • 用户名:
  • 密 码: 
  •    
最新录用 更多>>
易灵芝,刘仲范,陈才学,陈宇,王根平.新型H6桥非隔离单相光伏并网逆变器[J].电源学报,2019,17(1):0
新型H6桥非隔离单相光伏并网逆变器
A New Non-isolated Single-phase Photovoltaic Grid-connected Inverter With H6-type Configuration
投稿时间:2016-10-21  修订日期:2019-01-25
DOI:10.13234/j.issn.2095-2805.2019.1.62
中文关键词:  漏电流  共模电压  并网逆变器  光伏发电  PR控制
英文关键词:Leakage current  Common voltage  Grid-connected inverter  Photovoltaic generation  PR control  
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者单位E-mail
易灵芝 湘潭大学信息工程学院, 湘潭 411105
湖南省“风电装备与电能变换”2011协同创新中心, 湘潭 411105 
450337856@qq.com 
刘仲范 湘潭大学信息工程学院, 湘潭 411105  
陈才学 湘潭大学信息工程学院, 湘潭 411105  
陈宇 湘潭大学信息工程学院, 湘潭 411105  
王根平 深圳职业技术学院, 深圳 518000  
摘要点击次数: 394
全文下载次数: 240
中文摘要:
      针对目前非隔离单相光伏并网逆变器H5拓扑存在的通态损耗大和热力不均衡问题,提出一种改进型H6桥拓扑结构,通过逻辑控制实现脉宽调制驱动,使其输出并网电流在半个工频周期内流过3个开关管,在另半个工频周期流过2个开关管,因此减少了通态损耗,有利于热力均衡。3kW单相两级式非隔离光伏并网逆变器样机实验验证了该拓扑的可行性,实现低共模电压和高质量并网,有效解决非隔离单相光伏并网逆变器共模漏电流问题。
英文摘要:
      In order to solve the big conduction losses and the thermal imbalance of transformerless single-phase photovoltaic grid-connected inverter with a H5 full bridge,an advanced H6 full bridge topology is proposed in this paper. By logic control, pulse width modulation(PWM) can be realized, and the grid-tied current of this inverter flows through three power switches during one of half fundamental frequency cycle, while flows through only two power switches during another half fundamental frequency cycle. As a result, the conduction losses are reduced and the heat-stress balance is benefited with the proposed H6 topology, comparing with the H5 topology. The experiment results of 3kW transformerless single-phase photovoltaic grid-connected inverter verify that this topology features low common mode voltage and high power quality, and it’s an effective solution of alleviating leakage current issue.
查看全文  查看/发表评论  下载PDF阅读器
关闭