Results 11 to 20 of about 17,761,311 (335)
Distortion Due to the Zero Current Detection Circuit in High Power Factor Quasi-Resonant Flybacks
Energies, 2021 In a high-power factor quasi-resonant Flyback, an ideal zero current detection (ZCD) circuit and control circuitry enable the power switch turn-on in the exact instant a zero ringing current is reached after demagnetization. A nonzero current at the turn-
Claudio Adragna +3 more
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Live Field Validation of an Islanded Microgrid Based on Renewables and Electric Vehicles
Electricity, 2023 This paper presents a live field experience of creating an isolated microgrid for the Expoelectric fair during 2018 and 2019. The islanded microgrid comprises a Master Inverter with grid-forming capabilities and fault management.
Daniel Heredero-Peris +8 more
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Energies, 2020 Nowadays, LED lamps have become a widespread solution in different lighting systems due to their high brightness, efficiency, long lifespan, high reliability and environmental friendliness.
Claudio Adragna +4 more
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Energies, 2021 In this work, an idea of a wideband, precision, power electronics programmable voltage source (PVS) is presented. One of the basic elements of the converter, the control section, contains a continuous-time sigma-delta modulator (SDM) with a pair of ...
Michał Gwóźdź
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Energies, 2020 A task for new power generation technologies, interfaced to the electrical grid by power electronic converters, is to stiffen the rate of change of frequency (RoCoF) at the initial few milliseconds (ms) after any variation of active power balance.
Zameer Ahmad +5 more
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A fault current limiting control strategy for GFM converters based on directional current command
Zhejiang dianli, 2023 The grid-forming （GFM） control technology is instrumental in enabling converters to provide frequency and voltage support response akin to synchronous generators， thus bolstering the stability of the new power system.
WANG Nannan +5 more
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IET Smart Grid, 2020 Advances in power electronics and digital control open a new horizon in the control of power converters. Particularly, model predictive control has been developed for control applications in industrial electronics and power systems. This study presents a
M. M. Aghdam, Li Li, Jianguo Zhu
semanticscholar +1 more source
Performance analysis of modeling scale on multiband oscillations in grid-connected wind farm
Frontiers in Energy Research, 2023 Grid-connected permanent magnet synchronous generator (PMSG) wind farms may be susceptible to oscillation when connected to weak grids. This paper explores the root causes of the oscillations from two perspectives: the model and the oscillation frequency
Lin Zhu +5 more
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Proceedings of the IEEE, 2023 In accordance with European plans, dynamic controls are developed to allow for system-wide integration of 100% renewable energy sources (RESs) interfaced through power electronic converters while maintaining security.
K. Strunz +5 more
semanticscholar +1 more source
Per-Phase Power Controller for Smooth Islanded Transitions in Three-Phase Three-Wire Systems
Energies, 2023 This manuscript describes the operation of a droop-based controller for three-phase converters in the case of the absence of a neutral connection to the grid.
Andrea Lauri +4 more
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