Results 21 to 30 of about 29,869,070 (318)

Average Current Mode Control of a DC–DC Boost Converter to Reduce the Decoupling Capacitance at the PV Array Output

open access: yesEnergies, 2022
Due to the full-wave AC–DC power conversion, second-order frequency oscillations of current and voltage are created in single-phase PV-grid-connected inverters.
Sobhan Mohamadian   +2 more
doaj   +1 more source

A device for measuring electron beam characteristics

open access: yesAIP Advances, 2017
This paper presents a device intended for diagnostics of electron beams and the results obtained with this device. The device comprises a rotating double probe operating in conjunction with an automated probe signal collection and processing system. This
M. Andreev   +4 more
doaj   +1 more source

Fully-Integrated Dickson Converters for Single Photon Avalanche Diode Arrays

open access: yesIEEE Access, 2021
This article presents a novel low EMI technique to regulate the output voltage of fully-integrated switched capacitor Dickson type step-up DC/DC converters for SPAD arrays implemented in the Silterra 0.13 μm HV-CMOS process.
Simon Kennedy   +4 more
doaj   +1 more source

Modeling and Performance Assessment of the Split-Pi Used as a Storage Converter in All the Possible DC Microgrid Scenarios. Part I: Theoretical Analysis

open access: yesEnergies, 2021
The integration of an electrical storage system (ESS) into a DC microgrid using a bidirectional DC/DC converter provides substantial benefits but requires careful design.
Massimiliano Luna   +5 more
doaj   +1 more source

A Novel Reduced Components Model Predictive Controlled Multilevel Inverter for Grid-Tied Applications

open access: yesAdvances in Electrical and Electronic Engineering, 2019
This paper presents an improved single-phase Multilevel Inverter (MLI) which is conceptualized to reduce power switches along with separate DC voltage sources.
Cathrine Elia Saleeb Feloups   +1 more
doaj   +1 more source

Independent Upper- and Lower-Arm Switching Scheme Based on Reference Current Polarity for Three-Level NPC Inverters

open access: yesEnergies, 2021
This study presents a novel switching scheme for three-level neutral point clamped (NPC) inverters. The proposed switching method independently drives the upper- and lower-arm elements of the inverter based on the polarity information of the reference ...
Kangsoon Ahn   +3 more
doaj   +1 more source

Voltage space vector‘s computation for current control in three phase converters

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2012
This work presents two current loop techniques, for three phase voltage source converters (VSC) used as controlled rectifiers (CR) operating at unity power factor.
Alberto Berzoy   +2 more
doaj   +1 more source

Topology and Control Strategy of PV MVDC Grid-Connected Converter with LVRT Capability

open access: yesApplied Sciences, 2021
This paper proposes an isolated buck-boost topology and control strategy for the photovoltaic (PV) medium-voltage DC (MVDC) converter with low-voltage ride through (LVRT) capability.
Huan Wang   +4 more
doaj   +1 more source

Derivation of Motor Mean Phase Currents in PMSM Drives Operating with Low Switching-to-Fundamental Frequency Ratio

open access: yesPower Electronics and Drives, 2019
Pulse width modulation (PWM) of inverter output voltage causes the waveforms of motor phase currents to consist of distinctive ripples. In order to provide suitable feedback for the motor current controllers, the mean value must be extracted from the ...
Jarzebowicz Leszek
doaj   +1 more source

Utilizing Active Rotor-Current References for Smooth Grid Connection of a DFIG-Based Wind-Power System

open access: yesAdvances in Electrical and Computer Engineering, 2020
Large inrush currents emerge abruptly whenever a doubly fed induction generator (DFIG) attempts to connect with the grid. Moreover, a DFIG is highly vulnerable to grid disturbances owing to its direct stator-grid contact, which induces a sizable ...
ALI, M. A. S.
doaj   +1 more source

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