Results 11 to 20 of about 160,250 (344)

A wide input-voltage range quasi-Z source boost DC-DC converter with high voltage-gain for fuel cell vehicles [PDF]

open access: yesIEEE Transactions on Industrial Electronics, 2018
A quasi-Z-source Boost DC-DC converter which uses a switched-capacitor is proposed for fuel cell vehicles. The topology can obtain a high voltage gain with a wide input-voltage range, and requires only a low voltage stress across each of the components ...
Fu, Chuanzhi   +3 more
core   +3 more sources

Optimization of Impedance-Source Galvanically Isolated DC–DC Converters With Reduced Number of Switches

open access: yesIEEE Access, 2022
In this study, a new type of Z-source converter comprising galvanic isolation transformers is introduced based on classical non-isolated Z-source converters, which are promising devices for renewable applications. Compared to the typology of conventional
Naser Fakhri   +7 more
doaj   +1 more source

Circuit for clamping bridge overvoltages in voltage-fed quasi-Z-source converter [PDF]

open access: yes, 2016
Unlike the voltage source converter, the Z-source converter can boost as well as buck the input voltage. However, the presence of physically large components in the impedance network introduces large parasitic inductances into power device commutation ...
Kitson, Joanne, McNeill, J N
core   +5 more sources

Single switch Z source/quasi Z source DC-DC converters

open access: yesInternational Journal of Applied Power Engineering (IJAPE), 2021
<span>This paper analyzes a family of high step up single switch switched capacitor boost converters and Z-source/quasi Z-source dc-dc converters to provide high output dc voltage gain, a proper choice for photovoltaic applications. The operating principles, parameters design guideline of these converters are presented along with simulation ...
V Saravanan   +4 more
openaire   +2 more sources

High Step-Up Common Grounded Switched Quasi Z-Source DC–DC Converter Using Coupled Inductor With Small Signal Analysis

open access: yesIEEE Access, 2023
In this article, a new common grounded switched quasi Z-source DC-DC converter is proposed. In the proposed converter, an additional switch and a diode are used compared to the conventional quasi Z-source converter.
Ataollah Samadian   +5 more
doaj   +1 more source

Switched capacitor based Z‐source DC–DC converter [PDF]

open access: yesIET Power Electronics, 2019
This study proposes a common grounded Z‐source DC–DC converter. In comparison to conventional Z‐source converter, it converts voltage with higher voltage gain and lower voltage stress on the switch, diodes and capacitors. In addition, it needs smaller inductors in comparison to the similar converters.
Sajad Rostami   +2 more
openaire   +2 more sources

Voltage Type Z-source Converters: Overview of the Main Topologies

open access: yesEletrônica de Potência, 2012
This paper presents a review in terms of new configurations involving the Z-source converter concept. Since its first appearance, it is evident the importance assumed by the Z-source converter in the last years as a new topological structure with ...
Euzeli C. dos Santos Jr.   +3 more
doaj   +1 more source

Switched-Capacitor High Voltage Gain Z-Source Converter With Common Ground and Reduced Passive Component

open access: yesIEEE Access, 2021
Conventional dc-dc Boost converter has limited boost capacity, and its power device suffers high voltage stress. A novel Z-source based dc-dc boost converter featured with high step-up capability and low device voltage stress is proposed in this paper ...
Jiawei Zhao, Daolian Chen
doaj   +1 more source

Virtual Inertia Implemented by Quasi-Z-Source Power Converter for Distributed Power System

open access: yesEnergies, 2023
This paper proposes a novel virtual inertia control strategy for distributed power systems with high penetration of renewable energy sources. The strategy uses a quasi-Z-source power converter to emulate the inertia response of a synchronous generator by
Yitao Liu, Hongle Chen, Runqiu Fang
doaj   +1 more source

Hybrid switched-capacitor/switched-quasi-Z-source bidirectional DC-DC converter with wide-voltage-gain range for hybrid energy sources EVs [PDF]

open access: yes, 2018
In this paper, a hybrid switched-capacitor/ switched-quasi-Z-source bidirectional dc-dc converter is proposed for electric vehicles (EVs) with hybrid energy sources, which has a wide voltage gain range in the bidirectional energy flows. Compared with the
Gao, Yongping   +4 more
core   +2 more sources

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