Results 11 to 20 of about 222,901 (291)

Controlled Energy Flow in Z-Source Inverters

open access: yesEnergies, 2021
This paper proposes a method to reduce the output voltage distortions in voltage source inverters (VSI) working with impedance networks. The three main reasons for the voltage distortions include a discontinuous current in the coils of the impedance ...
Zbigniew Rymarski   +2 more
doaj   +1 more source

Research on impedance network modeling and output characteristics of magnetostrictive electro-hydraulic actuator

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2023
Magnetostrictive electro-hydraulic actuator (M-EHA) is a highly integrated hydraulic servo device with very complex movement and conduction processes. The output performance could be affected by many factors.
Menglun TAO   +4 more
doaj   +1 more source

Impedance tracking control of magnetostrictive transducer based on variable stiffness tuning

open access: yesJournal of Science: Advanced Materials and Devices, 2023
A magnetostrictive transducer (MT) is a highly integrated transducer that enables magneto-mechanical energy conversion when outputting actuation motion or force.
Liang Shu   +4 more
doaj   +1 more source

Research on the electrical properties of 2 × 6 × n cobweb cascaded LC network model

open access: yesResults in Physics, 2022
Given that the cobweb model incorporates the properties of numerous network topologies, the cobweb circuit network based on the cobweb model has stimulated the interest of researchers.
Li-Jin Luo   +5 more
doaj   +1 more source

Topology and Impedance Identification Method of Low-Voltage Distribution Network Based on Smart Meter Measurements

open access: yesFrontiers in Energy Research, 2022
In recent years, distributed photovoltaic facilities and distributed energy storage are widely connected to a low-voltage distribution network, which makes the topology of the low-voltage distribution network change faster, and the online identification ...
Li Tong, Weijian Chai, Dongqi Wu
doaj   +1 more source

Comparative Analysis of High Impedance Fault Detection Techniques on Distribution Networks

open access: yesIEEE Access, 2023
This study focused on comparing the performance of three high impedance fault detection techniques for the case of a distribution network to select the technique that is best suited for detecting faults in this network.
Ester Hamatwi   +3 more
doaj   +1 more source

Impedance Matching Network [PDF]

open access: yes, 2022
<p> In this article, four different matching network will be introduce and their value in network will be given by hand calculating and computer analysis. In the first matching network we just use inductor. In the second matching network, we just use a simple LC matching network with up-converting to match a 1Ω to 50Ω.
openaire   +1 more source

The effect of inrush transients on pv inverter's grid impedance measurement based on inter-harmonic injection [PDF]

open access: yes, 2010
This paper addresses a cause for false tripping of photovoltaic inverters with antiislanding protection based on impedance measurement with inter-harmonic injection. Earlier discussions about tripping problems happening when several devices are doing the
Bhattacharyya, S.   +5 more
core   +8 more sources

A Five-Terminal Impedance Network Based Three-Port Converter

open access: yesIEEE Access, 2018
A novel three-port converter for renewable energy applications is proposed based on a five-terminal impedance network, which is different from the traditional four-terminal (two-port) impedance network, therein, this impedance network characterizes ...
Guidong Zhang   +7 more
doaj   +1 more source

Design and Evaluation of a T-Shaped Adaptive Impedance Matching System for Vehicular Power Line Communication

open access: yesIEEE Access, 2020
The quality of the communication links in VPLC (vehicular power line communication) suffer from an impedance mismatch resulting from fluctuating VPLN (Vehicular Power Line Network) access impedance, which renders the fixed impedance matching circuit ...
Bingting Wang, Ziping Cao, Fei Song
doaj   +1 more source

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