Impedance-source converters, an emerging technology in electric energy conversion, overcome limitations of conventional solutions by the use of specific impedance-source …
In this paper, a high step-up quasi-Z Source (QZS) dc–dc converter is proposed. This converter uses a hybrid switched-capacitors switched-inductor method in order to achieve …
The quasi-Z-source inverter (qZSI) with battery operation can balance the stochastic fluctuations of photovoltaic (PV) power injected to the grid/load, but its existing topology has …
Y Liu, H Abu-Rub, B Ge - IEEE Industrial Electronics Magazine, 2014 - ieeexplore.ieee.org
The current and emerging investigations on Z-source/quasi-Z-source inverters (ZSIs/qZSIs) are presented. The ZSI/qZSI fulfills buck/boost capability in single-stage topology and …
In several electrical dc-ac power conversions, the ac output voltage is higher than the input voltage. If a voltage-source inverter (VSI) is used, then an additional dc-dc boosting stage is …
A new nonisolated high-step-up dc-dc converter based on active switched-inductors and passive switched-capacitors is proposed in this article. The main advantages of the …
D Sun, B Ge, X Yan, D Bi, H Zhang… - IEEE Transactions …, 2014 - ieeexplore.ieee.org
The quasi-Z source (qZS) cascaded multilevel inverter (CMI)(qZS-CMI) presents attractive advantages in application to photovoltaic (PV) power system. Each PV panel connects to an …
G Zhang, Z Li, B Zhang, WA Halang - Renewable and Sustainable Energy …, 2018 - Elsevier
The development of power electronics in the past century and the current state of the art of power electronics converters are briefly reviewed, before giving an insight into the …
In this paper, switched Z-source/quasi-Z-source dc-dc converters (SZSC/SQZSCs) are proposed for the photovoltaic (PV) grid-connected power system, where the high step-up dc …