Improved transformerless inverter with common-mode leakage current elimination for a photovoltaic grid-connected power system

B Yang, W Li, Y Gu, W Cui, X He - IEEE transactions on power …, 2011 - ieeexplore.ieee.org
To eliminate the common-mode leakage current in the transformerless photovoltaic grid-
connected system, an improved single-phase inverter topology is presented. The improved …

Transformerless inverter with virtual DC bus concept for cost-effective grid-connected PV power systems

Y Gu, W Li, Y Zhao, B Yang, C Li… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
In order to eliminate the common-mode (CM) leakage current in the transformerless
photovoltaic (PV) systems, the concept of the virtual dc bus is proposed in this paper. By …

High-efficiency single-phase transformerless PV H6 inverter with hybrid modulation method

B Ji, J Wang, J Zhao - IEEE Transactions on Industrial …, 2012 - ieeexplore.ieee.org
The main contribution of this paper is the derivation rules summarized from existing high-
performance inverters with H6-type configuration, which makes novel topologies possible. In …

Digital control of actual grid-connected converters for ground leakage current reduction in PV transformerless systems

G Buticchi, D Barater, E Lorenzani… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
The design of a photovoltaic (PV) grid-connected converter usually comprehends a galvanic
isolation between the grid and the photovoltaic panels. Recently, in low power systems, the …

A review of minimisation of output DC current component methods in single-phase grid-connected inverters PV applications

F Berba, D Atkinson… - 2012 2nd International …, 2012 - ieeexplore.ieee.org
Nowadays, it is a general trend to increase the Distribution Generator (DG) based on
renewable energy such as photovoltaic (PV) system. This generator can affect the grid by …

[PDF][PDF] 单相非隔离型光伏并网系统中共模电流抑制的研究

张兴, 孙龙林, 许颇, 赵为, 曹仁贤 - 2009 - u.dianyuan.com
首先分析了无变压器的光伏并网系统中产生共模电流的原因, 从单相半桥和全桥拓扑结构出发,
在得出共模电流抑制基本规律的基础上, 研究了几种能有效抑制共模电流的拓扑结构 …

Single-phase high step-up converter with improved multiplier cell suitable for half-bridge-based PV inverter system

Y Zhao, X Xiang, C Li, Y Gu, W Li… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
In this paper, a single-phase high step-up converter is proposed, designed not only to boost
the relatively low photovoltaic (PV) voltage to a high bus voltage with high efficiency, but …

Approach to low-cost prevention of DC injection in transformerless grid connected inverters

WM Blewitt, DJ Atkinson, J Kelly, RA Lakin - IET Power Electronics, 2010 - IET
With the growing popularity of distributed generation, there are concerns over the effects that
distributed generators may have on power quality. One highly important aspect often …

非隔离型光伏并网逆变器漏电流分析模型研究

肖华锋, 谢少军, 陈文明, 贡力 - 中国电机工程学报, 2010 - epjournal.csee.org.cn
高频共模等效模型是研究非隔离型光伏并网逆变器共模电流(在非隔离型光伏并网设备中俗称"
漏电流") 抑制措施的重要工具. 重点推导充分考虑寄生参数的非隔离型单相并网逆变器高频共模 …

一种高效率H6 结构不隔离单相光伏并网逆变器

嵇保健, 王建华, 赵剑锋 - 中国电机工程学报, 2012 - epjournal.csee.org.cn
提出一种新颖的高效率六开关逆变器(H6) 拓扑, 解决了无变压器单相光伏并网逆变器漏电流
问题. 该拓扑将两个单向续流单元嵌在全桥逆变器桥臂中点之间, 以获得续流通道 …