Results 41 to 50 of about 178,806 (344)

A Transformerless Photovoltaic Inverter With Dedicated MPPT for Grid Application

open access: yesIEEE Access, 2023
The objective of reducing the size and cost of the grid-connected photovoltaic system has led to advancements in the field of transformerless grid-connected inverters and gained high popularity in recent years.
Allamsetty Hema Chander   +7 more
doaj   +1 more source

Analysis and design of a modular multilevel converter with trapezoidal modulation for medium and high voltage DC-DC transformers [PDF]

open access: yes, 2015
Conventional dual active bridge topologies provide galvanic isolation and soft-switching over a reasonable operating range without dedicated resonant circuits.
Adam, Grain P.   +4 more
core   +2 more sources

Dispatchable High-Power Wind Turbine Based on a Multilevel Converter With Modular Structure and Hybrid Energy Storage Integration

open access: yesIEEE Access, 2021
This paper presents a new multilevel converter solution with modular structure and hybrid energy-storage integration suitable to drive modern/future high-power medium-voltage wind turbines.
Gustavo F. Gontijo   +5 more
doaj   +1 more source

Generalized Voltage-based State-Space Modelling of Modular Multilevel Converters with Constant Equilibrium in Steady-State [PDF]

open access: yes, 2017
This paper demonstrates that the sum and difference of the upper and lower arm voltages are suitable variables for deriving a generalized state-space model of an MMC which settles at a constant equilibrium in steady-state operation, while including the ...
Bergna-Diaz, Gilbert   +4 more
core   +3 more sources

Rhythms, Metrics, and Industrial Roof in Alejandro de la Sota’s Clesa Dairy Plant

open access: yesCuadernos de Proyectos Arquitectónicos, 2019
The striking modular irregularity of theClesa dairy plant’s structural grid strikes a contrast with the uniformity of other contemporary projects of Alejandro de la Sota.
Rafael García García
doaj   +1 more source

Modeling and Design of Modular Multilevel Converters for Grid Applications

open access: green, 2012
This thesis aims to bring clarity to the dimensioning aspects and limiting factors of the modular multilevel converter (MMC). Special consideration is given to the dc capacitors in the submodules as they are a driving factor for the size and weight of the converter.
Kalle Ilves
openalex   +3 more sources

Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]

open access: yes, 2018
Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A.   +3 more
core   +2 more sources

AC-Side Impedance-Based Stability Assessment in Grid-Forming Modular Multilevel Converters

open access: yesIEEE Access
Grid-forming converters can emulate the behavior of a synchronous generator through frequency droop control. The stability of grid-forming modular multilevel converters can be studied via the impedance-based stability criterion. This paper presents an ac-
Mehrdad Nahalparvari   +3 more
doaj   +1 more source

A new grid- and modularity-based layout algorithm for complex biological networks.

open access: yesPLoS ONE, 2019
The visualization of biological networks is critically important to aid researchers in understanding complex biological systems and arouses interest in designing efficient layout algorithms to draw biological networks according to their topology ...
Sheng He   +4 more
doaj   +1 more source

An adapter-based architecture for evaluating candidate solutions in energy system scheduling

open access: yesEnergy Informatics, 2022
Increasing shares of volatile generation and non-steerable demand raise the need for automated control of the Energy Systems (ESs). Various solutions for management and schedule-based control of energy facilities exist today.
Malte Chlosta   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy