Results 91 to 100 of about 13,057 (231)

DC-link capacitor second carrier band switching harmonic current reduction in two-level back-to-back converters [PDF]

open access: yes, 2017
This paper proposes an active switching harmonic current reduction method within the DC-link capacitor of two-level, three-phase, back-to-back converters.
Bozhko, Serhiy   +3 more
core   +1 more source

Analysis of influence of initial phase angle of grid electromotive force on startup current of three-phase PWM rectifier

open access: yesGong-kuang zidonghua, 2013
The paper analyzed causes of startup inrush current of three-phase PWM rectifier, researched influence of initial phase angle of grid electromotive force and initial phase angle of AC side voltage on startup current, and proposed a method to use output ...
XU Min   +4 more
doaj   +1 more source

Interleaved multi-cell isolated three-phase PWM rectifier system for aircraft applications [PDF]

open access: yes, 2013
Recently there has been an important increase in electric equipment, as well as, electric power demand in aircrafts applications. This prompts to the necessity of efficient, reliable, and low-weight converters, especially rectifiers from 115VAC to 270VDC
Alou Cervera, Pedro   +7 more
core   +1 more source

Accurate Inverter Error Compensation and Related Self-Commissioning Scheme in Sensorless Induction Motor Drives [PDF]

open access: yes, 2009
This paper presents a technique for accurately identifying and compensating the inverter nonlinear voltage errors that deteriorate the performance of sensorless field-oriented controlled drives at low speed.
Bojoi, R.   +3 more
core   +1 more source

Fractional Sliding Mode Observer Control Strategy for Three-Phase PWM Rectifier

open access: yesWorld Electric Vehicle Journal
This research presents a novel current loop control strategy for a three-phase PWM rectifier system aimed at mitigating challenges related to substandard power quality, excessive current harmonics, and insufficient robustness.
Tao Wang   +5 more
doaj   +1 more source

Nonlinear Control of Single-Phase PWM Rectifiers with Inherent Current-Limiting Capability [PDF]

open access: yes, 2016
In this paper, a nonlinear controller with a currentlimiting property is proposed to guarantee accurate dc output voltage regulation and unity power factor operation for singlephase PWM rectifiers without the need of a phase-locked-loop (PLL).
Konstantopoulos, G., Zhong, Q.
core   +1 more source

Study of Single-phase Three-level NPC Rectifier Based on Space Vector PWM

open access: yes机车电传动, 2012
Working principle of single-phase three-level neutral-point-clamped (NPC) rectifier was discussed, and the relation between SVPWM and carrier-based PWM was established, thereby, balance control method based on SPWM for single phase three-level NPC ...
黄嘉鹏   +4 more
doaj  

Novel PV Simulator Based on Reactive Power Adjustment of PWM Rectifier

open access: yesKongzhi Yu Xinxi Jishu, 2014
A PV array simulator was presented based on three-phase voltage PWM rectifier. Generally, PWM rectifier works at unity power factor, but the grid limits DC voltage range.
BAI Jiancheng   +3 more
doaj  

Shift & night work – the positive impact, challenges and action to deal with it [PDF]

open access: yes, 2020
Shift work means work that takes place on a schedule of employee outside the normal hours eight at morning until at five at evening. Well, it involves day and night shifts, which is whether in an early morning shifts, and rotating shifts.
Abdull Rahman, Rabeatul Husna   +2 more
core  

Research on control strategy for Three-Phase PWM Voltage Source Rectifier [PDF]

open access: yes, 2014
Author name used in this publication: K. W. E.
Che, Y, Cheng, KWE, Wang, Y
core  

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