Results 21 to 30 of about 249,873 (283)

Switching Performance of a 3.3-kV SiC Hybrid Power Module for Railcar Converters

open access: yesIEEE Access, 2020
The unique properties of a SiC hybrid 3.3-kV/450-A half-bridge IGBT power module which is designed for enhanced reliability of railcar converters are presented in this paper.
Xiang Li   +8 more
doaj   +1 more source

Dynamics estimation and generalized tuning of stationary frame current controller for grid-tied power converters [PDF]

open access: yes, 2016
The integration of AC-DC power converters to manage the connection of generation to the grid has increased exponentially over the last years. PV or wind generation plants are one of the main applications showing this trend.
Luna Alloza, Álvaro   +4 more
core   +2 more sources

Integration of an Active Filter and a Single-Phase AC/DC Converter with Reduced Capacitance Requirement and Component Count [PDF]

open access: yes, 2015
Existing methods of incorporating an active filter into an AC/DC converter for eliminating electrolytic capacitors usually require extra power switches. This inevitably leads to an increased system cost and degraded energy efficiency.
Hui, SYR, Li, S, Qi, W, Tan, SC
core   +1 more source

Analysis of the influence of DC optimizers on photovoltaic production

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2020
Energy efficiency is a key element in the Smart Cities (SC), in which integration of renewable sources is a reality. Small-scale integration is usually implemented with photovoltaic (PV) and solar thermal energy.
Luis Hernández-Callejo   +3 more
doaj   +1 more source

Controls and Interfaces [PDF]

open access: yes, 2016
Reliable powering of accelerator magnets requires reliable power converters and controls, able to meet the powering specifications in the long term. In this paper, some of the issues that will challenge a power converter controls engineer are discussed ...
King, Q.
core   +3 more sources

Parameter Identification of DFIG Converter Control System Based on WOA

open access: yesEnergies, 2023
The converter is an important component of a wind turbine, and its control system has a significant impact on the dynamic output characteristics of the wind turbine.
Youtao Li   +4 more
doaj   +1 more source

Energy Management in a Standalone PV System with Priority Controller [PDF]

open access: yesE3S Web of Conferences, 2023
In many developing countries, meeting the energy demand has become a major challenge. Such problem is more prominent in rural and remote areas of the country.
B. Ashok Kumar   +3 more
doaj   +1 more source

Supercapacitor assisted LDO (SCALDO) techniquean extra low frequency design approach to high efficiency DC-DC converters and how it compares with the classical switched capacitor converters [PDF]

open access: yes, 2013
Supercapacitor assisted low dropout regulators (SCALDO) were proposed as an alternative design approach to DC-DC converters, where the supercapacitor circulation frequency (switching frequency) is in the order of few Hz to few 10s of Hz, with an output ...
Kankanamge, Kosala, Kularatna, Nihal
core   +3 more sources

Analysis of an On-Line Stability Monitoring Approach for DC Microgrid Power Converters [PDF]

open access: yes, 2019
An online approach to evaluate and monitor the stability margins of dc microgrid power converters is presented in this paper. The discussed online stability monitoring technique is based on the Middlebrook's loop-gain measurement technique, adapted to ...
Caldognetto, Tommaso   +4 more
core   +1 more source

Study on the properties of MgO-Fe-C bricks as the linings of vanadium-extraction converters

open access: yes工程科学学报, 2016
To extend the service life of MgO-C bricks which used as the linings of vanadium-extraction converters, MgO-Fe-C bricks were fabricated in this study. The service properties of this novel refractory were comparatively investigated between traditional MgO-
LIU Lei   +3 more
doaj   +1 more source

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