Switched Z-Source/Quasi-Z-Source DC-DC Converters With Reduced Passive Components for Photovoltaic Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2907300
Abstract: In this paper, switched Z-source/quasi-Z-source dc-dc converters (SZSC/SQZSCs) are proposed for the photovoltaic (PV) grid-connected power system, where the high step-up dc-dc converters are required to boost the low voltage to high voltage. The boost… read more here.
Keywords: quasi source; source converters; switched source; source ... See more keywords
Nonlinear Modeling and Analysis of Grid-Connected Voltage-Source Converters Under Voltage Dips
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2020.2965721
Abstract: In power systems, voltage-source converters (VSCs) are gradually replacing traditional devices and dramatically changing power system dynamic behavior, as the VSC’s intrinsic high-order nonlinearity and multiple time-scale characteristics. As a simple case of transient stability… read more here.
Keywords: voltage source; voltage; time scale; source converters ... See more keywords
Analysis, Design, and Performance Evaluation of Differential-Mode Y-Source Converters for Voltage Spikes Mitigation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2020.3019228
Abstract: Impedance source converters (ISC) based on the magnetic coupling can enhance their voltage gains by maintaining lower shoot-through duty ratios and reduced passive component count. However, the nonzero leakage inductance in the practical ISC generates… read more here.
Keywords: differential mode; source converters; voltage spikes; mode source ... See more keywords
Sliding-Mode Direct-Voltage Control of Voltage-Source Converters With LC Filters for Pulsed Power Loads
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2020.3040694
Abstract: This article proposes a direct-voltage controller, based on sliding modes, for regulating the output voltage of voltage-source converters (VSCs) equipped with LC filters. Grid-forming VSCs used in microgrids with pulsed loads must provide fast dynamic… read more here.
Keywords: voltage; sliding mode; source converters; control ... See more keywords
A Multivariable Phase-Locked Loop-Integrated Controller for Enhanced Performance of Voltage Source Converters Under Weak Grid Conditions
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3146607
Abstract: This article proposes a new control strategy in stationary frame to improve the operational robustness of voltage source converters (VSCs) under weak grid conditions. First, dynamics of the phase-locked loop (PLL) are incorporated into the… read more here.
Keywords: source converters; voltage source; controller; phase ... See more keywords
Quasi-Selective Harmonic Elimination (Q-SHE) Modulation-Based DC Current Balancing Method for Parallel Current Source Converters
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2018.2882463
Abstract: Parallel operation of current source converters (CSCs) is an attractive approach for medium-voltage high-power conversion applications. In order to achieve proper dc rail current balancing of parallel CSCs while maintaining a good control of ac… read more here.
Keywords: selective harmonic; current source; source converters; quasi selective ... See more keywords
dq-Frame Impedance Modeling of Three-Phase Grid-Tied Voltage Source Converters Equipped With Advanced PLLs
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3017387
Abstract: With the increased prevalence of power converters in power systems, especially three-phase voltage source converters (VSCs), the stability analysis of power electronics-based power systems has received much attention recently. To this end, different impedance models,… read more here.
Keywords: three phase; voltage source; impedance; source converters ... See more keywords
Improved Harmonic Profile for High-Power PWM Current-Source Converters With Modified Space-Vector Modulation Schemes
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2021.3070885
Abstract: Pulsewidth-modulated (PWM) current-source converters (CSCs) have the features of simple configuration, reliable short-circuit protection, and sinusoidal ac output voltages. The conventional space-vector modulation (SVM) scheme usually generates high-magnitude low-order harmonics in CSCs with low switching… read more here.
Keywords: high power; space vector; current source; source converters ... See more keywords
A Generalised Multifrequency PWM Strategy for Dual Three-Phase Voltage Source Converters
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DOI: 10.3390/en12071398
Abstract: Pulse width modulation (PWM) strategies for the control of asymmetrical six-phase drives have been widely studied since the beginning of this century. Nevertheless, space vector modulation (SVM) techniques with multifrequency voltage injection for the control… read more here.
Keywords: voltage source; voltage; source converters; modulation ... See more keywords
Integration of Voltage Source Converters in Steady-State RMS Short-Circuit Analysis
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DOI: 10.3390/en14123610
Abstract: Voltage source converters (VSCs) are self-commutated converters able to generate AC voltages with or without the support of an AC connecting grid. VSCs allow fast control of active and reactive powers in an independent way.… read more here.
Keywords: voltage source; voltage; source converters; source ... See more keywords