Results 71 to 80 of about 990,915 (186)

Modeling Bipolar DC Microgrids: Switched and Average Approaches

open access: yes2025 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT Europe)
Abstract: For a long time, electrical distribution networks have remained overshadowed by transmission networks. However, with the advancement of power electronics and the increasing integration of nonconventional generation sources, a significant paradigm shift is anticipated in the distribution sector.
Paz, Carlos   +2 more
openaire   +2 more sources

Toward Intrinsically Stretchable OLEDs with High Efficiency

open access: yesAdvanced Materials, Volume 37, Issue 14, April 9, 2025.
This perspective provides a systematic discussion on the challenges and solutions in designing materials for intrinsically stretchable organic light‐emitting diodes (ISOLEDs). It also highlights prospective challenges and offers insights into the development of highly efficient and stable ISOLEDs for practical applications.
Huanyu Zhou   +3 more
wiley   +1 more source

Comprehensive Power Regulation of a Novel Shared Energy Storage Considering Demand-Side Response for Multi-Scenario Bipolar DC Microgrid

open access: yes
In order to improve the ability to suppress unbalanced voltage in bipolar DC microgrids, a comprehensive power regulation control of a novel shared energy storage system is proposed for a multi-scenario bipolar DC microgrid.
Gongqiang Li   +4 more
core   +1 more source

Microgrid: modelling and control [PDF]

open access: yes, 2010
This thesis presents a complete model of a typical microgrid, together with identification of the required control strategies in order to operate this new type of power system.
Alotibe, Mohammad
core  

Multi‐port bidirectional isolated DC–DC resonance converter with constant phase current for application in bipolar DC microgrids

open access: yesIET Power Electronics
This paper proposes a new DC–DC bipolar resonance converter that combines a dual‐active‐bridge and a multi‐port resonance Buck‐Boost converter. This structure uses a resonance network between the input and output ports, which has the following advantages:
Kamran Davoodi   +2 more
doaj   +1 more source

Space charge behaviours in polyethylene under combined AC and DC electric fields

open access: yes, 2014
Polyethylene has been one of the widely studied polymeric insulation materials. One of the major issues related to polymeric materials is the easy formation of space charge which may cause electric field enhancement. In this paper, a numerical simulation
Zhou, Churui, Chen, George
core   +2 more sources

Optimal control strategy on hybrid energy storage systems to improve system inertia for a bipolar DC microgrid

open access: yesInternational Journal of Electrical Power & Energy Systems
For an islanded bipolar DC microgrid with positive and negative hybrid energy storage systems (HESSs), researchers need to take into account a special problem related to improving the system inertia by the HESSs.
Yuechao Ma   +4 more
doaj   +1 more source

DC microgrid stability control with constant power load: a review

open access: yesJournal of Measurement Science and Instrumentation
The DC microgrid has the advantages of high energy conversion efficiency, high energy transmission density, no reactive power flow, and grid-connected synchronization.
LI Xin, ZOU Junnan, LIU Jinhui
doaj  

DC-DC Converter Design Issues for High-Efficient DC Microgrid

open access: yes, 2019
In this article, the electrical properties, as well as the economic aspects of the modular and non-modular solution of the DC-DC photovoltaic converter for DC microgrid subsystem, are described.
Michal Frivaldsky, Jan Morgos
core   +1 more source

From design to deployment: A holistic perspective on design frameworks, stability analysis, and control innovations of DC microgrid architectures

open access: yesEnergy Strategy Reviews
Now-a-days, DC microgrids (DCMGs) are gaining significant traction due to their higher reliability, simpler control strategies and the absence of challenges like synchronisation, harmonics, reactive power regulation, and frequency control.
Sandipan Patra   +2 more
doaj   +1 more source

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