Results 21 to 30 of about 12,623 (222)

Increasing security of supply by the use of a local power controller during large system disturbances [PDF]

open access: yes, 2011
This paper describes intelligent ways in which distributed generation and local loads can be controlled during large system disturbances, using Local Power Controllers.
Bright, C. G.   +3 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

Energy Management and Voltage Control in Microgrids Using Artificial Neural Networks, PID, and Fuzzy Logic Controllers

open access: yesEnergies, 2022
Microgrids, comprising distributed generation, energy storage systems, and loads, have recently piqued users’ interest as a potentially viable renewable energy solution for combating climate change.
Khaizaran Abdulhussein Al Sumarmad   +3 more
doaj   +1 more source

Reliability Evaluation and Improvement of Islanded Microgrid Considering Operation Failures of Power Electronic Equipment

open access: yesJournal of Modern Power Systems and Clean Energy, 2020
With the high integration of power electronic technologies in microgrids, the reliability assessment considering power electronic devices has become a hot topic.
Wen Zhong   +3 more
doaj   +1 more source

Multi-Objective Optimization Scheduling Considering the Operation Performance of Islanded Microgrid

open access: yesIEEE Access, 2020
In recent years, with the increase of distributed generation (DG) penetration rate, the economic operation of microgrid (MG) has been fully developed, but the energy consumption system based on fossil energy has increased the contradiction of the economy,
Mao Yang, Li Sun, Jinxin Wang
doaj   +1 more source

Secondary Frequency and Voltage Control of Islanded Microgrids via Distributed Averaging [PDF]

open access: yes, 2015
In this work we present new distributed controllers for secondary frequency and voltage control in islanded microgrids. Inspired by techniques from cooperative control, the proposed controllers use localized information and nearest-neighbor communication
Bullo, Francesco   +5 more
core   +2 more sources

Cooperative Control to Enhance the Frequency Stability of Islanded Microgrids with DFIG-SMES

open access: yesEnergies, 2013
The issue of frequency stability of microgrids under islanded operation mode and mode transfer has attracted particular attention recently. In this paper, a cooperative frequency control method, which consists of a microgrid central control (MGCC) and ...
Wu Chen   +4 more
doaj   +1 more source

Quasi-Static Time-Series Power Flow Solution for Islanded and Unbalanced Three-Phase Microgrids

open access: yesIEEE Open Access Journal of Power and Energy, 2021
Recent advances in inverter-based distributed energy resources (DERs) allow microgrids to operate in grid-connected and islanded modes with ease. However, determining a steady-state load flow solution of a real-world unbalanced and islanded three-phase ...
Vinicius C. Cunha   +5 more
doaj   +1 more source

Static Security Risk Assessment for Islanded Hybrid AC/DC Microgrid

open access: yesIEEE Access, 2019
Due to the lack of the support from the main grid, the islanded hybrid ac/dc microgrid will more likely cause the power flow severe fluctuation and even the microgrid to be split once a serious contingency occurs.
Hanmei Peng   +3 more
doaj   +1 more source

An open platform for rapid-prototyping protection and control schemes with IEC 61850 [PDF]

open access: yes, 2013
Communications is becoming increasingly important to the operation of protection and control schemes. Although offering many benefits, using standards-based communications, particularly IEC 61850, in the course of the research and development of novel ...
Blair, Steven M.   +3 more
core   +1 more source

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