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Thermal modeling of large electrolytic capacitors using FEM and considering the internal geometry
(Institute of Electrical and Electronics Engineers (IEEE), 2021-06-16)
Article
Open AccessThis article focuses on developing a finite-element method (FEM) model for large capacitors’ thermal modeling and reliability analysis. Thermal modeling for capacitors is critical since the capacitor’s lifetime depends on ... -
Effect of current distortion and unbalanced loads on semiconductors reliability
(Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
Article
Open AccessThis article presents a reliability analysis of a 4-wire grid-tied inverter under different loading conditions, considering unbalanced loads and harmonic distortion in the current consumed. The proposed power converter is ... -
Multi-stroke positive cloud-to-ground lightning sharing the same channel observed with a VHF broadband interferometer
(2022-04-15)
Article
Open AccessIn the same lightning flash, whose usual duration is less than a second, there can be multiple negative cloud-to-ground strokes with different terminations or following a preexisting channel to the ground. In contrast, it ... -
Planning of High-Power Charging Stations for Electric Vehicles: A Review
(2022-04-01)
Article
Open AccessElectrification of mobility is paving the way in decreasing emissions from the transport sector; nevertheless, to achieve a more sustainable and inclusive transport system, effective and long-term planning of electric ... -
Multiobjective Laguerre Functions-Based Discrete-Time Model Predictive Control: A Fast Inner-Loop Controller for Grid-Forming Converters
(2022-08-01)
Article
Open AccessIn islanded ac microgrids, conventional primary control uses innerloop cascaded linear controller and outerloop droop to realize local voltage regulation and power sharing. However, it has a poor dynamic performance and ... -
Control of a flywheel energy storage system for power smoothing in wind power plants
(2014-03-01)
Article
Open AccessThis paper deals with the design and the experimental validation in scale-lab test benches of an energy management algorithm based on feedback control techniques for a flywheel energy storage device. The aim of the flywheel ... -
Real-time optimization-based reference calculation integrated control for MMCs considering converter limitations
(Institute of Electrical and Electronics Engineers (IEEE), 2021-10-12)
Article
Open AccessThe paper addresses a real-time optimization-based reference calculation integrated with a control structure for Modular Multilevel Converters (MMC) operating under normal and constrained situations (where it has reached ... -
Optimal H-infinity control design for MMC-based HVDC links
(Institute of Electrical and Electronics Engineers (IEEE), 2021-04-06)
Article
Open AccessThe modular multilevel converter (MMC) has emerged as the preferred choice for voltage source converter (VSC)-based high voltage direct current (HVDC) systems due to its low losses, low harmonic distortion, modularity, and ... -
Improved current reference calculation for MMCs internal energy balancing control
(Institute of Electrical and Electronics Engineers (IEEE), 2021-06-22)
Article
Open AccessThe paper addresses an improved inner current reference calculation to be employed in the control of modular multilevel converters operating during either balanced or unbalanced conditions. The suggested reference calculation ... -
Methodology for interaction identification in modular multi-level converter-based HVDC systems
(2021-07-24)
Article
Restricted access - publisher's policyThis paper suggests a methodology for the identification, classification, and evaluation of various types of interactions that may occur in an HVDC link based on modular multi-level converters (MMC). The methodology ... -
Enhancing microgrid small-signal stability and reactive power sharing using ANFIS-tuned virtual inductances
(Institute of Electrical and Electronics Engineers (IEEE), 2021-07-26)
Article
Open AccessMicrogrid as the main building block for future smart grids is prone to instability originated from converter-based distributed generations (DG). Herein, we first analyze the small-signal stability of an inverter-interfaced ... -
Tropical TGF paradox: a perspective from TRMM precipitation radar
(2021-07-27)
Article
Open AccessThe Terrestrial Gamma-ray Flash (TGF) to lightning ratio, computed over the three tropical chimneys, presents a paradox: African thunderstorms produce the most lightning but yield the lowest fraction of TGFs when compared ...
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