Results 11 to 20 of about 108 (98)

Моделювання квазі-z-інверторів в системах з відновлювальними джерелами енергії на підвищеній частоті [PDF]

, 2021
В статті визначено основні задачі застосування перетворювачів у системах електроживлення з від-новлюваними джерелами енергії у якості основних джерел.
Терещенко, Т. О., Федін, І. С., Ямненко, Ю. С.   +2 more
core   +1 more source

A super‐high‐speed PM motor drive for centrifugal air compressor used in fuel cell unmanned aerial vehicle

IET Electric Power Applications, 2023
The authors show a PM motor drive with the maximum speed of 170,000 r/min for a super‐high‐speed centrifugal air compressor, which is used in high‐altitude unmanned aerial vehicle (UAV).
Qian Zhang, Dengfeng Yang, Qingyi Kong, Xiuxiu Sun, Zunyan Hu   +4 more
doaj   +1 more source

Teaching method of designing experiment from the perspective of teacher in power electronics course

IET Circuits, Devices and Systems, 2022
In order to solve the problem of lacking active learning and independent problem‐solving ability in the verification experiment, an experimental teaching method of designing experiment from the perspective of the teacher is proposed, in which the roles ...
Guopeng Zhao
doaj   +1 more source

Parallel connected GaN E‐HEMT VSI‐based servo drives for PMSMs

IET Electric Power Applications, 2022
The operation of parallel‐connected servo drives has the advantages of increasing the torque (hence the power) capacity, reliability, redundancy and modularity.
Huseyin Yuruk, Ozan Keysan
doaj   +1 more source

Simplified double switching SVPWM implementation for three-level VSI

The Journal of Engineering, 2019
A generalised space vector pulse width modulation (SVPWM) framework for the realisation of all double switching states with a memory-optimised method is proposed to reduce the total harmonic distortion (THD) and to provide neutral point voltage balancing
Gopinathan Vivek, Jayanta Biswas, Meenu D. Nair, Mukti Barai   +3 more
doaj   +1 more source

Stabilization of voltages on capacitors of cells in modular multilevel inverters with space-vector PWM [PDF]

, 2019
За последние два десятилетия появился новый тип полупроводниковых преобразователей электроэнергии –модульные многоуровневые преобразователи. Данная топология схемотехнически состоит из n-го числа последовательно включенных транзисторно-емкостных модулей ...
Цыбульник, Владислав Романович, Плахтий, Александр Андреевич, Нерубацкий, Владимир Павлович   +2 more
core   +1 more source

Measurement of PD in Operating Motors Fed by Voltage Source PWM Drives

, 2017
On-line partial discharge (PD)measurement is now widely applied to motors rated 6 kV and above that are fed from the 50/60 Hz power system. However, many motors are being powered from invertors which facilitate variable speed motors to improve process ...
Howard G. Sedding, Ian Culbert, Shannon R. Campbell   +2 more
core   +1 more source

Improved Modulation Technique in Cascaded H‐Bridge Inverters for Fault‐Tolerant With Full Bridge Single Phase Rectifier Structure

IET Power Electronics
This paper presents a novel fault‐tolerant approach for cascaded H‐bridge inverters with a full‐bridge single‐phase rectifier cell structure. Upon a fault, the faulty cell is disconnected from the circuit, and the inverter switches from normal operation (
Kasra Khalili, Jalal Nazarzadeh
doaj   +1 more source

Association Between Motor Pathway Damage and Motor Deficit in Upper and Lower Limb in People With MS

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Corticospinal tract damage is common in people with MS, but the degree of clinical symptoms varies. We hypothesize that corticospinal tract lesions are more extensive and severe in people with MS with motor impairments in both upper and lower limbs.
Mathilde Liffran, Malo Gaubert, Alice Dufey, Elise Bannier, Audrey Rico, Jean‐Christophe Ferré, Raphaël Chouteau, Laure Michel, Emmanuelle Le Page, Virginie Callot, Bertrand Audoin, Sarah Demortière, Benoît Combès, Anne Kerbrat   +13 more
wiley   +1 more source

Ion‐Reconfigurable “N”‐Shaped Antiambipolar Behavior in Organic Electrochemical Transistors

Advanced Materials, EarlyView.
A unique N‐shaped negative differential transconductance (NDT) characteristics is demonstrated in single‐polymer organic electrochemical transistors through a sequential doping–redox–doping process driven by iodide ions. This redox‐driven mechanism enables low‐voltage, ion‐controlled reconfigurability and tunable current modulation, allowing seamless ...
Debdatta Panigrahi, Daniele Zucchelli, Zeinab Hamid, Christina Kousseff, Arup Sarkar, Aristea Pavlou, Zhitian Ling, Somayeh Kashani, Iain McCulloch, Paul W. M. Blom, Fabrizio Torricelli, Paschalis Gkoupidenis   +11 more
wiley   +1 more source