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Modulation and control of transformerless boosting inverters for three-phase photovoltaic systems: comprehensive analysis. [PDF]

Sci Rep
Lotfy MW, Mostafa RM, Ramadan HS, Elmorshedy MF, Dabour SM.   +4 more
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Fixed Switching Frequency Hybrid Modulation With ZVS for Single-Phase Inverter

IEEE transactions on power electronics, 2023
Soft switching technology is an effective way to reduce the switching loss of the single-phase inverter to improve efficiency. Because of the ease of implementing soft switching, inverter works in boundary conduction mode (BCM) is widely used.
Jiayu Hu, Qianming Xu, Peng Guo, Hongliang Wang, Zhixing He, Yandong Chen, An Luo   +6 more
semanticscholar   +1 more source

Low Frequency Current Ripple Suppression for Two-Stage Single-Phase Inverter Based on Impedance Editing

IEEE transactions on industrial electronics (1982. Print), 2022
The instantaneous output power of the two-stage single-phase inverter pulsates at double-line frequency, generating a large amount of second harmonic current (SHC) in the front-end dc-dc converter and input dc source.
Hongyan Zhou, Liangzong He, Zhile Lin
semanticscholar   +1 more source

A Controller Improving Photovoltaic Voltage Regulation in the Single-Stage Single-Phase Inverter

IEEE transactions on power electronics, 2021
While substantial research covers current control and synchronization of grid-connected photovoltaic (PV) inverters, issues concerning control of the PV input voltage deserve more attention, as they equally affect the reliable and stable operation of the
Leonardo Callegaro, C. Rojas, M. Ciobotaru, J. Fletcher   +3 more
semanticscholar   +1 more source

GaN-Based Megahertz Single-Phase Inverter With a Hybrid TCM Control Method for High Efficiency and High-Power Density

IEEE transactions on power electronics, 2021
Compared with traditional frequency limitation method DCM and QCFTCM for TCM-based inverter, this article proposes a hybrid TCM method, which can achieve both full range ZVS and frequency variation limitation.
Teng Liu, Cai Chen, Ke Xu, Yi Zhang, Yong Kang   +4 more
semanticscholar   +1 more source

Impedance Modelling Mechanisms and Stability Issues of Single Phase Inverter With SISO Structure and Frequency Coupling Effect

IEEE transactions on energy conversion, 2021
Multi-Input and Multi-Output (MIMO) impedance model considering the Mirror Frequency Effect (MFE) has been studied for single phase systems in the past five years.
Zhengzhao Li, Miao Zhu, Chuanchuan Hou, Han Wang, Y. Li, X. Cai   +5 more
semanticscholar   +1 more source

A Transformerless Common-Ground Three-Switch Single-Phase Inverter for Photovoltaic Systems

IEEE transactions on power electronics, 2020
In this article, a single-phase transformerless inverter for photovoltaic (PV) applications is introduced. The proposed inverter provides common ground between input and output terminals, which results in the elimination of the leakage current in the PV ...
A. Sarikhani, Morteza Mansouri Takantape, M. Hamzeh   +2 more
semanticscholar   +1 more source

Single-phase Z-source inverter

2008 Twenty-Third Annual IEEE Applied Power Electronics Conference and Exposition, 2008
This paper proposes a novel single-phase Z-source inverter topology with input and output sharing the same ground. It is simple in structure and only utilizes two switches while keep the voltage transfer ratio the same as the full-bridge inverter.
Yu Tang, Shaojun Xie, Chaohua Zhang
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Single phase seven level inverter

2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS), 2016
The given paper presents a review about the hardware design and implementation of single phase seven level inverter with Pulse Width Modulated (PWM) control scheme. The input to the given inverter is a DC source (Vdc) and it is capable of producing output of seven level (Vdc, 2Vdc/3, Vdc/3, 0, -Vdc, -Vdc/3, -Vdc/3). As more steps are added to waveform,
Ruhina R. Shaikh, J.R. Rana
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Single-Phase Stepped-Wave Inverter

IETE Journal of Research, 1981
The paper presents experimental results of the synthesized single-phase stepped-voltage waveforms. The inverter system uses 3-level pulse-width modulated inverters in cascade. Microprocessor is used to generate the gate-trigger signals of thyristors. The harmonic components of the output waveform are compared with the theoretical results.
S.M. Sriraghavan, B.D. Pradhan, G.N. Revankar   +2 more
openaire   +1 more source