Results 41 to 50 of about 27,996 (218)

Analysis of the Application of Current Transfomer in Low-voltage Flexible DC Microgrid

open access: yes南方能源建设, 2019
[Introduction] Low voltage flexible DC microgrid is a bridge between DC devices such as energy storage, electric car and mid-voltage DC power grid. As the DC technology develops and many more DC devices connecting to the grid, it′s feasible and necessary
ZHANG Minghan, LU Zikai
doaj   +1 more source

Stability and Control Aspects of Microgrid Architectures–A Comprehensive Review

open access: yesIEEE Access, 2020
Self-governing small regions of power systems, known as “microgrids”, are enabling the integration of small-scale renewable energy sources (RESs) while improving the reliability and energy efficiency of the electricity network.
Moudud Ahmed   +3 more
doaj   +1 more source

Experimental Test bed to De-Risk the Navy Advanced Development Model [PDF]

open access: yes, 2017
This paper presents a reduced scale demonstration test-bed at the University of Texas’ Center for Electromechanics (UT-CEM) which is well equipped to support the development and assessment of the anticipated Navy Advanced Development Model (ADM).
Feng, X   +6 more
core   +1 more source

Contribution of a smart transformer in the local primary control of a microgrid [PDF]

open access: yes, 2013
In order to enable an easy participation of microgrids in the electricity markets, the smart transformer (ST) concept has been developed. The ST controls the power exchange between a microgrid and the utility network by only controlling its microgrid ...
De Kooning, Jeroen   +4 more
core   +2 more sources

Research on Hybrid Microgrid Based on Simultaneous AC and DC Distribution Network and Its Power Router

open access: yesEnergies, 2019
Under the dual pressure of environmental pollution and energy crisis, the global energy consumption structure reform deepens unceasingly and the concept of energy internet has developed rapidly.
Xinnan Gai   +3 more
doaj   +1 more source

An Energy Coordination Strategy for Island DC Microgrid With Photovoltaic and Storage System Based on Improved Consensus Algorithm

open access: yesZhongguo dianli, 2022
For bus voltage stability in DC microgrids, a voltage stability function for DC bus voltage is added to the multi-agent consensus algorithm.At the same time, taking the minimum operation cost of the controllable units as the objective function, combing ...
Yu DING, Aiqing YU, Chun GAO
doaj   +1 more source

Development of a smart transformer to control the power exchange of a microgrid [PDF]

open access: yes, 2013
A smart transformer enables to control the power exchange between a microgrid and the utility network by controlling the voltage at the microgrid side within certain limits.
De Kooning, Jeroen   +3 more
core   +1 more source

Tumbling Magnetic Microrobots for Targeted In Vivo Drug Delivery in the GI Tract

open access: yesAdvanced Robotics Research, EarlyView.
We introduce a microrobot design and integrated system for on‐demand targeted drug release in the gastrointestinal tract. The microrobot has an embedded magnet for actuation with external magnetic fields and is visualized in real time using ultrasound. It has two drug release ports sealed with a thermally sensitive wax. Local heating of the wax using a
Aaron C. Davis   +7 more
wiley   +1 more source

Versatile decentralised control of the DC microgrid

open access: yesIET Smart Grid, 2018
This study proposes a versatile decentralised control strategy for the direct current (DC) microgrid based on the DC bus signalling method. Performance of the proposed control strategy is investigated under various generation and load disturbances in ...
Jafar Mohammadi   +2 more
doaj   +1 more source

Nonlinear Control of a DC MicroGrid for the Integration of Photovoltaic Panels

open access: yes, 2016
New connection constraints for the power network (Grid Codes) require more flexible and reliable systems, with robust solutions to cope with uncertainties and intermittence from renewable energy sources (renewables), such as photovoltaic arrays.
Damm, Gilney   +4 more
core   +3 more sources

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