Results 11 to 20 of about 12,623 (222)
Short-Circuit Analysis of DER-Based Microgrids in Connected and Islanded Modes of Operation
Energies, 2021 Since microgrids should be able to smoothly operate in two distinct modes—grid-connected and islanded, their fault currents can widely fluctuate depending on the operational mode. When the microgrid is connected to the grid, the highest fault current, by
Nikola Simic +2 more
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Designing a new robust control for virtual inertia control in the microgrid with regard to virtual damping [PDF]
Journal of Electrical and Computer Engineering Innovations, 2020 Background and Objectives: Virtual inertia control, as a component of a virtual synchronous generator, is used for the implementation of synchronous generator behaviour in microgrids.
F. Amiri, M. Moradi
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Islanding Detection in Microgrids Using Harmonic Signatures [PDF]
IEEE Transactions on Power Delivery, 2015 In recent years, there has been a growing interest in incorporating microgrids in electrical power networks. This is due to various advantages they present, particularly the possibility of working in either autonomous mode or grid connected, which makes them highly versatile structures for incorporating intermittent generation and energy storage ...
Merino, J. +3 more
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An Active Protection Scheme for Islanded Microgrids [PDF]
15th International Conference on Developments in Power System Protection (DPSP 2020), 2020 The paper proposes a relatively simple active protection strategy incorporating controllers of the inverter for islanded microgrids dominated by inverter based distributed generators (IBDGs) that can overcome well-understood shortcomings in traditional overcurrent protection schemes applied to weak islanded systems.
Khan, Md Asif Uddin +3 more
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Sliding Mode Controller for Parameter-Variable Load Sharing in Islanded AC Microgrid
Energies, 2022 Controlling voltage, frequency, and current in an islanded microgrid is a challenging problem because the distributed generation sources, stochastic and intermittent in nature, are not connected to the main electricity network to provide stable and clean
Mojtaba Hajihosseini +3 more
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Engineering Proceedings, 2023 This paper proposes a Linear Quadratic Gaussian (LQG) control design for a grid-connected and Islanded mode Microgrid composed of a single-network feeding and forming converter with one local load.
Sureshraj Se Pa +5 more
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Adequacy Evaluation of an Islanded Microgrid [PDF]
Electronics, 2021 The reliability of power converters has been extensively examined in terms of component- and converter level. However, in case of multiple generation units, the evaluation of the performance of power systems requires system-level modeling. This paper aims to merge the prior art of reliability modeling of power converters with the adequacy evaluation of
Martin Kjær, Huai Wang, Frede Blaabjerg
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A Survey on Microgrid Control Techniques in Islanded Mode
Journal of Electrical and Computer Engineering, 2020 Traditional power networks with generation in upstream and consumption in the downstream were controlled with centralized controls like SCADA. However, in order to facilitate the penetration of distributed generation, the concept of microgrid was ...
Uthpala N. Ekanayake +1 more
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Alexandria Engineering Journal, 2023 The microgrid enhances power grid reliability, resiliency, and sustainability, particularly in rural and islanded areas with limited manual network management.
Lilia Tightiz, L. Minh Dang, Joon Yoo
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Transition from Islanded to grid-connected mode of microgrids with voltage-based droop control [PDF]
, 2013 Microgrids are able to provide a coordinated integration of the increasing share of distributed generation (DG) units in the network. The primary control of the DG units is generally performed by droop-based control algorithms that avoid communication ...
De Kooning, Jeroen +3 more
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