Line interactive UPS for microgrids [PDF]
, 2014 Line interactive Uninterruptable Power Supply (UPS) systems are good candidates for providing energy storage within a microgrid to help improve its reliability, economy and efficiency.
Sharkh, S.M. +5 more
core +1 more source
Energies, 2019 Low-voltage direct current (DC) microgrid based on distributed generation (DG), the problems of load mutation affecting the DC bus under island mode, and the security problems that may arise when the DC microgrid is switched from island mode to grid ...
Liang Zhang +3 more
doaj +1 more source
Energy Science & Engineering, 2021 Optimal planning of hybrid energy systems has always been a considerable task. While several studies have conducted techno‐economic analysis on hybrid energy systems, most of them have neglected to consider appropriate electric and thermal load growth ...
Ting Qiu, Jamal Faraji
doaj +1 more source
Energy-balance and sliding mode control strategies of a cascade H-bridge multilevel converter for grid-connected PV systems [PDF]
, 2010 This work presents the design of a sliding-mode based current controller for a Cascade Full Bridge Multilevel Inverter grid connected PV system. The design also includes a modulation strategy to share the control action among the cascade-connected ...
Domingo Biel +7 more
core +1 more source
Energy management and operational planning of a microgrid with a PV-based active generator for Smart Grid Applications [PDF]
, 2011 The development of energy management tools for consumers and next generation PV installations, including storage units, provides flexibility to distribution system operators.
LU, Di +9 more
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Clean Technologies, 2023 Microgrids, with integrated PV systems and nonlinear loads, have grown significantly in popularity in recent years, making the evaluation of their transient behaviors in grid-connected and islanded operations paramount.
Abrar Shahriar Pramanik, Saeed Sepasi
doaj +1 more source
Avoiding the non-detection zone of passive loss-of-mains (islanding) relays for synchronous generation by using low bandwidth control loops and controlled reactive power mismatches [PDF]
, 2014 Generation connected to electrical distribution systems requires reliable and timely detection of loss of-mains (islanding). Passive loss of mains detection relays typically use measurements of parameters such as frequency, phase, and the magnitudes of ...
Roscoe, Andrew +2 more
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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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Active Distribution Grids Offering Ancillary Services in Islanded and Grid-Connected Mode [PDF]
IEEE Transactions on Smart Grid, 2020 10 ...
Stavros Karagiannopoulos +4 more
openaire +4 more sources
Adaptive fuzzy sliding control of single-phase PV grid-connected inverter. [PDF]
PLoS ONE, 2017 In this paper, an adaptive fuzzy sliding mode controller is proposed to control a two-stage single-phase photovoltaic (PV) grid-connected inverter. Two key technologies are discussed in the presented PV system.
Juntao Fei, Yunkai Zhu
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