Results 1 to 10 of about 1,304,670 (305)

A Review on Challenges in DC Microgrid Planning and Implementation

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
DC microgrids are gaining more attention with the increased penetration of various DC sources such as solar photovoltaic systems, fuel cells, batteries, etc., and DC loads.
Kolampurath Jithin   +4 more
doaj   +1 more source

Studies of large‐scale DC connected photovoltaic power system based on multi‐modular cascaded DC‐DC converter

open access: yesIET Generation, Transmission & Distribution, 2023
DC collection and transmission is one of the major development directions of large‐scale photovoltaic (PV) power system. In order to achieve low‐cost, high‐efficiency and long‐distance transmission of PV power, this paper adopted a DC grid‐connected ...
Fei Liu   +5 more
doaj   +1 more source

Overview of Inertia Enhancement Methods in DC System

open access: yesEnergies, 2022
The modern power system is experiencing transformation from the rotational-generation-equipment-dominated system to a power-electronics-converter-dominated system, with the increasing penetration of renewable energy resources such as wind and ...
Feng Wang   +3 more
doaj   +1 more source

Comparative study between two-level and three-level high-power low-voltage AC-DC converters [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2019
The article presents the analysis of the simulation test results for three variants of the power electronics used as interface between the power network and superconducting magnetic energy storage (SMES) with the following parameters: power of 250 kW ...
A. Domino, K. Zymmer, M. Parchomiuk
doaj   +1 more source

DC-DC Power Converter for High Power Solar Photovoltaic System

open access: yes, 2023
Worldwide there is an enormous dependence on fossil fuels to produce electricity. Burning fossil fuels results in CO2 emission into the atmosphere, causing a negative environmental impact. In order to mitigate these problems, there is a need to integrate renewable energy sources into the power grid, namely solar photovoltaic (PV) energy.
Miranda, João P. D.   +3 more
openaire   +2 more sources

DC Microgrids: A Propitious Smart Grid Paradigm for Smart Cities

open access: yesSmart Cities, 2023
Recent years have seen a surge in interest in DC microgrids as DC loads and DC sources like solar photovoltaic systems, fuel cells, batteries, and other options have become more mainstream.
Shriram S. Rangarajan   +7 more
doaj   +1 more source

Direct-current electrical systems integration on a hybrid skidder using a parallelized step-down power converter array

open access: yesEnergy Reports, 2022
This paper deals with the control of the direct-current to direct-current (DC/DC) energy conversion between high voltage and low voltage systems within a hybrid electric power-train structure intended to be used in articulated forestry tractor, also ...
Matija Krznar   +2 more
doaj   +1 more source

Electric vehicle battery performance investigation based on real world current harmonics [PDF]

open access: yes, 2020
Electric vehicle (EV) powertrains consist of power electronic components as well as electric machines to manage the energy flow between different powertrain subsystems and to deliver the necessary torque and power requirements at the wheels.
Amamra, Sid-Ali   +4 more
core   +1 more source

Shipboard DC Systems—A Critical Overview: Challenges in Primary Distribution, Power-Electronics-Based Protection, and Power Scalability

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2023
This article gives an overview of challenges in primary distribution, protections, and power scalability for shipboard dc systems. Given that dc technology is in development, several aspects of shipboard systems have not yet been sufficiently devised to ...
Alejandro Latorre   +4 more
doaj   +1 more source

Fractional DC/DC converter in solar-powered electrical generation systems [PDF]

open access: yes2009 IEEE Conference on Emerging Technologies & Factory Automation, 2009
This paper deals with the fractional modeling of a DC-DC buck-boost converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. Although the modeling and design of the controller is carried out for this particular DC-DC converter,it can be easily extended to ...
Martínez, Rubén   +3 more
openaire   +5 more sources

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