Results 91 to 100 of about 2,438 (211)

A Coordinated Control for Photovoltaic Generators and Energy Storages in Low-Voltage AC/DC Hybrid Microgrids under Islanded Mode

Energies, 2016
The increasing penetration of renewable generators can be a significant challenge due to the fluctuation of their power generation. Energy storage (ES) units are one solution to improve power supply quality and guarantee system stability.
Yao Liu, Xiaochao Hou, Xiaofeng Wang, Chao Lin, Josep M. Guerrero   +4 more
doaj   +1 more source

Dynamic load reference based DQ-axis synchronous frame control method of grid connected PV hybrid microgrid

Alexandria Engineering Journal
The hybrid AC-DC microgrid is a system that links AC and DC microgrids using a bidirectional AC-DC interface converter. The presence of dynamic loads is a major obstacle to the implementation of the microgrid concept, and those 50 % include asynchronous ...
Ahmad Althobiti, Abdullah Ali Alhussainy, Sultan Alghamdi, Sami S. Alghamdi, Mohammed Alruwaili, Saad Mekhilef, Muhyaddin Rawa   +6 more
doaj   +1 more source

Hybrid AC/DC Microgrids for Rural Electrification

, 2020
The main objective of this dissertation is to build a hybrid AC/DC microgrid model in the Software Simulink and to study the way it works and performs in different scenarios. This thesis is divided into six chapters: the first one, the Introduction, explains the main objectives, the contributions, the motivation and how the thesis is organized; the ...
openaire   +2 more sources

Research on the Dynamic Stability of AC/DC Hybrid Microgrids in New-Energy Ships

Journal of Marine Science and Engineering
For the frequent occurrence of pulse power load operation and load switching disturbances in AC/DC shipboard microgrids, a large-signal stability analysis method based on hybrid potential theory is proposed. The proposed method utilizes a mixed potential
Bing Wang, Wanneng Yu, Weiqiang Liao, Yibin Fang, Changkun Zhang, Rongfeng Yang   +5 more
doaj   +1 more source

Analysis of the transition between multiple operational modes for hybrid AC/DC microgrids

CSEE Journal of Power and Energy Systems, 2018
There are four basic operational modes for the hybrid AC/DC microgrid, including AC grid-connected while interconnecting, both off-grid while interconnecting, AC gridconnected without connection, and both off-grid without connection.
Lihu Jia, Yongqiang Zhu, Shaofei Du, Yinshun Wang   +3 more
doaj   +1 more source

Operation and Control of Grid Connected Hybrid AC/DC Microgrid using various RES

, 2014
This paper proposes a Hybrid AC/DC Microgrid in alliance with Photo Voltaic (PV) energy, Wind Energy and Proton Exchange Membrane (PEM) Fuel cells. Microgrids are becoming increasingly attractive to the researchers because of the less greenhouse gases ...
R B P U S B, Kodanda Ram, Mannam, Venu Gopala Rao   +1 more
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An improved power regulation method for a three-terminal hybrid AC/DC microgrid during module failure

, 2020
To reduce the number of power conversion stages and achieve the direct connection to medium-voltage (MV) grid without line-frequency transformer integration, a three-terminal hybrid AC/DC microgrid with one AC port and two DC ports has attracted great ...
Dong, Chaoyu, Cupertino, Allan Fagner, Jin, Yu, Dragičević, Tomislav, Teodorescu, Remus; id_orcid, Hou, Kai, Xiao, Qian, Jia, Hongjie, Chen, Qichao   +8 more
core   +1 more source

A hybrid AC/DC microgrid control scheme with voltage-source inverter-controlled interlinking converters

, 2016
18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe, Karlsruhe, Germany, 5-9 September 2016This paper proposes a fully decentralized control scheme for hybrid AC/DC microgrids.
K. H. Loo, F. Luo, Y. M. Lai, Lai, YM, Luo, F, Loo, KH   +5 more
core   +1 more source

A Novel Management Approach for Optimal Operation of Hybrid AC-DC Microgrid in the Presence of Wind and Load Uncertainties

Systems
The optimal operation of a hybrid AC-DC microgrid is investigated in this study. The operation of an AC microgrid connected to the main grid and an islanded DC microgrid has been examined under three management approaches.
Hamed Zeinoddini-Meymand, Reza Safipour, Farhad Namdari   +2 more
doaj   +1 more source

Non-linear model predictive energy management strategies for stand-alone DC microgrids

Due to substantial generation and demand fluctuations in stand-alone green micro-grids, energy management strategies (EMSs) are becoming essential for the power sharing purpose and regulating the microgrids voltage.
Moradinegade Dizqah, Arash
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