Results 21 to 30 of about 636,624 (317)

A Voltage-Sensorless Controller for Grid Converters [PDF]

open access: yes2021 IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe), 2021
Peer ...
Routimo, Mikko   +4 more
openaire   +3 more sources

A high voltage power converter with a frequency and voltage controller [PDF]

open access: yes2009 IEEE Pulsed Power Conference, 2009
A high voltage power converter is presented in this paper and is based on a Capacitor-Diode Voltage Multiplier (CDVM) supplied through an inverter. This power converter has the capabilities of generating variable high DC voltage with improved transient response.
Zabihi Sheykhrajeh, Sasan   +2 more
openaire   +4 more sources

Sequence Impedance Modeling and Optimization of MMC-HVDC Considering DC Voltage Control and Voltage Feedforward Control

open access: yesEnergies, 2022
The dynamic performance of the DC bus significantly influences the impedance characteristics of MMC and the system stability in a high-voltage direct current system.
Tong Huang, Xin Chen
doaj   +1 more source

Voltage Controlled Amplifier with Linearized Response to the Controlling Voltage

open access: yes, 2016
In this paper a design of a voltage controlled amplifier is described together with its practical realization and measured parameters. The amplifier is supposed to be employed in audio signal processing systems, for example volume expanders, etc. The design was created with the aid of several software supports as Maple for mathematical description of ...
Pospíšilík, Martin   +2 more
openaire   +2 more sources

Overview of Various Voltage Control Technologies for Wind Turbines and AC/DC Connection Systems

open access: yesEnergies, 2023
Wind power generation is one of the mainstream renewable energy resources. Voltage stability is as important as the frequency stability of a power system with a high penetration of wind power generation.
Yuan-Kang Wu   +2 more
doaj   +1 more source

Voltage control of ferromagnetic resonance [PDF]

open access: yesJournal of Advanced Dielectrics, 2016
Voltage control of magnetism in multiferroics, where the ferromagnetism and ferroelectricity are simultaneously exhibiting, is of great importance to achieve compact, fast and energy efficient voltage controllable magnetic/microwave devices. Particularly,
Ziyao Zhou   +3 more
doaj   +1 more source

Special Issue “Applications of Finite Element Modeling for Mechanical and Mechatronic Systems”

open access: yesApplied Sciences, 2021
Modern engineering practice requires advanced numerical modeling because, among other things, it reduces the costs associated with prototyping or predicting the occurrence of potentially dangerous situations during operation in certain defined conditions.
Marek Krawczuk, Magdalena Palacz
doaj   +1 more source

An Adaptive Model Predictive Voltage Control for LC-Filtered Voltage Source Inverters

open access: yesApplied Sciences, 2021
The three-phase inductor and capacitor filter (LC)-filtered voltage source inverter (VSI) is subjected to uncertain and time-variant parameters and disturbances, e.g., due to aging, thermal effects, and load changes.
Hosein Gholami-Khesht   +2 more
doaj   +1 more source

Operation of the Hybrid Photovoltaic-Battery System on the Electricity Market—Simulation, Real-Time Tests and Cost Analysis

open access: yesEnergies, 2020
This paper presents research on a hybrid photovoltaic-battery energy storage system, declaring its hourly production levels as a member of a balancing group submitting common scheduling unit to the day-ahead market.
Robert Małkowski   +2 more
doaj   +1 more source

Analysis and Suppression of High Speed Dv/Dt Induced False Turn-on in GaN HEMT Phase-Leg Topology

open access: yesIEEE Access, 2021
Gallium nitride high electron mobility transistor (GaN HEMT) is liable to gate false turn-on problem when the gate crosstalk voltage exceeds its threshold voltage in the widely adopted phase-leg topology due to its low threshold voltage and high ...
Xiao Long   +4 more
doaj   +1 more source

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