Results 21 to 30 of about 8,657,619 (313)

Research on the Control Strategy for Voltage Source Doubly-fed Wind Power Converter

open access: yesKongzhi Yu Xinxi Jishu, 2022
At present, the installed capacity of new energy power generation equipment shows a trend of rapid growth. A higher proportion of new energy generation will make the power grid show the characteristics of high impedance, low inertia, weak damping and low
HE Xi   +5 more
doaj   +3 more sources

Unified Modular State-Space Modeling of Grid-Connected Voltage-Source Converters

open access: yesIEEE transactions on power electronics, 2020
This article proposes a modular state-space modeling framework for grid-connected voltage-source converters, where the different control loops, including the ac current control, the phase-locked loop, the dc-link voltage control, and the ac voltage ...
Dongsheng Yang, Xiongfei Wang
semanticscholar   +1 more source

Switching Frequency Limited Hysteresis Based Voltage Mode Control of Single-Phase Voltage Source Inverters

open access: yesEnergies, 2023
This paper proposes a new control strategy for single-phase voltage source inverters that does not rely on switching based on Pulse Width Modulation. The technique is similar to conventional current hysteresis control, but instead of the output current ...
Geethu Chacko   +4 more
doaj   +1 more source

An improved Y-source inverter with the capability of absorbing bus voltage spike

open access: yesCES Transactions on Electrical Machines and Systems, 2021
In order to avoid the bus voltage spikes caused by leakage inductance endangering the normal operation of the inverter, based on the improved Y-source inverter, the traditional clamping structure and voltage peak absorption circuit are introduced, and a ...
Xupeng Fang, Xiaoli Wang, Shixiang Zhong
doaj   +1 more source

Impacts of SiC-MOSFET Gate Oxide Degradation on Three-Phase Voltage and Current Source Inverters

open access: yesMachines, 2022
In this paper, the performance variations of SiC MOSFET-based voltage and current source inverters under gate oxide degradation are studied. It is confirmed that the turn-on and turn-off delays of SiC MOSFETs change significantly by high electric field ...
Jaechang Kim   +2 more
doaj   +1 more source

The Voltage Source Inverter [PDF]

open access: yes2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), 2019
This paper presents the Voltage Source Inverter. On this paper it will be discussed its topology, mathematical model, switching states and the characteristic curves of the inverter. Moreover, the authors will analyze the concept of “dead time”, aiming to understand how to correctly start a VSI without damaging its components.
Ramón Gutiérrez   +2 more
openaire   +1 more source

Reinforcing Fault Ride Through Capability of Grid Forming Voltage Source Converters Using an Enhanced Voltage Control Scheme

open access: yesIEEE Transactions on Power Delivery, 2019
Medium power distributed energy resources (DERs) are commonly connected to medium voltage distribution systems via voltage source converters (VSCs). Several guidelines and standards have been developed to establish the needed criteria and requirements ...
S. F. Zarei   +3 more
semanticscholar   +1 more source

Selected issues of control voltage source inverter with self-excited synchronous generator as DC grid voltage source

open access: yesITM Web of Conferences, 2018
Synchronous self-excited generators are the most popular AC voltage sources installed in power plants of seagoing vessels. Because of fuel savings varying revolutions Diesel drives can be found on selected types of ships (platform support vessels, cable ...
Kozak Maciej
doaj   +1 more source

Evaluation of DC-link voltage ripple in five-phase PWM voltage source inverters

open access: yesThe Journal of Engineering, 2019
This paper presents the analysis of the DC-link voltage switching ripple in five-phase PWM voltage source inverters with balanced load. The analysis is particularly important for the design and selection of a DC-link capacitor making it possible to meet ...
M. Vujacic   +4 more
doaj   +1 more source

Impedance-Based Analysis of DC-Link Voltage Dynamics in Voltage-Source Converters

open access: yesIEEE transactions on power electronics, 2019
This paper addresses the stability issues caused by the dc-link voltage control of grid-connected voltage-source converters. An analytical impedance model is developed first for capturing the interactions between the dc-link voltage control and ac ...
D. Lu, Xiongfei Wang, F. Blaabjerg
semanticscholar   +1 more source

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