Results 11 to 20 of about 4,962 (95)

Common-Mode Reduction SVPWM for Three-Phase Motor Fed by Two-Level Voltage Source Inverter

Energies, 2020
Aiming at the problem of large magnitude and high frequency of common-mode voltage (CMV) when space vector pulse width modulation (SVPWM) is used in a three-phase motor fed by a two-level voltage source inverter, a common-mode reduction SVPWM (CMRSVPWM ...
Jian Zheng, Mingcheng Lyu, Shengqing Li, Qiwu Luo, Keyuan Huang   +4 more
doaj   +1 more source

Elimination of Common Mode Voltage in Three-To-Six-Phase Matrix Converter

Energies, 2019
The matrix converter (MC) is the n-phase input and m-phase output power electronic system. To synthesis the controllable sinusoidal output voltage and input current with controllable input displacement angle, the pulse width modulation method (PWM) is ...
Janina Rząsa, Elżbieta Sztajmec
doaj   +1 more source

Improvement of two grid power factor control methods for matrix converter open‐end‐winding drive with common‐mode voltage elimination supplied by unbalanced grid

IET Power Electronics, 2023
This paper investigates space‐vector‐modulation (SVM) technique that uses only rotating space vectors to drive a direct matrix converter (DMC) with zero common‐mode voltage (CMV).
Luka Stanić, Leposava Ristić, Milan Bebić, Marco Rivera   +3 more
doaj   +1 more source

Mapping of inhomogeneous quasi-3D electrostatic field in electro-optic materials

Scientific Reports, 2021
This paper describes a new method for direct measurement and evaluation of the inhomogeneous electrostatic vector field with translational symmetry in electro-optic materials exhibiting the Pockels effect.
Václav Dědič, Tomáš Fridrišek, Jan Franc, Jan Kunc, Martin Rejhon, Utpal N. Roy, Ralph B. James   +6 more
doaj   +1 more source

EXPERIMENTAL RESEARCH OF MAGNETIC FIELD SENSORS SPATIAL ARRANGEMENT INFLUENCE ON EFFICIENCY OF CLOSED LOOP OF ACTIVE SCREENING SYSTEM OF MAGNETIC FIELD OF POWER LINE

Electrical engineering & Electromechanics, 2017
Purpose. Experimental research of magnetic field sensors spatial arrangement influence on efficiency of closed loop active screening system by magnetic field of high voltage power lines developed a three-phase single-circuit high voltage power lines ...
B. I. Kuznetsov, T. B. Nikitina, A. V. Voloshko, I. V. Bovdyj, E. V. Vinichenko, B. B. Kobilyanskiy   +5 more
doaj   +1 more source

A High Performance Space Vector Modulation - Direct Torque Controlled Induction Machine Drive based on Stator Flux Orientation Technique

Advances in Electrical and Computer Engineering, 2009
This paper proposes the design and implementation of a novel direct torque controlled induction machine drive system. The control system enjoys the advantages of stator vector control and conventional direct torque control and avoids some of the ...
BELMADANI, B., BELARBI, A. W., BOUNADJA, M.   +2 more
doaj   +1 more source

Direct Flux Control for Stand-Alone Operation Brushless Doubly Fed Induction Generators Using a Resonant-Based Sliding-Mode Control Approach

Energies, 2018
In this paper, a novel voltage control strategy for stand-alone operation brushless doubly fed induction generators for variable speed constant frequency wind energy conversion systems was presented and discussed.
Kai Ji, Shenghua Huang
doaj   +1 more source

Performance Evaluation of Variable Structure Controller Based on Sliding Mode Technique for a Grid-Connected Solar Network

IEEE Access, 2019
Generating electric power from solar energy is a vastly growing technology worldwide. This paper investigates and evaluates the performance of a solar power generation system utilizing variable structure control with sliding mode for maximum power point ...
Hazem F. Feshara, Amr M. Ibrahim, Noha H. El-Amary, Soliman M. Sharaf   +3 more
doaj   +1 more source

PWM-based Flux linkage estimation for permanent magnet synchronous machines

The Journal of Engineering, 2019
Monitoring of rotor temperature in permanent magnet synchronous machines (PMSM) is of great importance as high temperature could cause partial or even irreversible demagnetisation of the permanent magnets (PMs).
Shuai Xiao, Antonio Griffo
doaj   +1 more source

An Active Power Filter Based on a Three-Level Inverter and 3D-SVPWM for Selective Harmonic and Reactive Compensation

Energies, 2017
Active Power Filters (APFs) have been used for reducing waveform distortion and improving power quality. However, this function can be improved by means of a selective harmonic compensation.
José Luis Monroy-Morales, David Campos-Gaona, Máximo Hernández-Ángeles, Rafael Peña-Alzola, José Leonardo Guardado-Zavala   +4 more
doaj   +1 more source