Results 11 to 20 of about 7,572 (233)

Enhanced LVRT capability of Wind Turbine based on DFIG using Dynamic Voltage Restorer controlled by ADRC-based Feedback control [PDF]

open access: yesE3S Web of Conferences, 2021
For grid-connected DFIG-based wind turbine, Fault Ride Through (FRT) or Low Voltage Ride Through (LVRT) capability is vital problem that need to be improved.
Boulaoutaq El Mahfoud   +5 more
doaj   +1 more source

Fractional kVA Rating PWM Converter Doubly Fed Variable Speed Electric Generator Systems: An Overview in 2020

open access: yesIEEE Access, 2021
Variable speed generator systems (VSGs) are at work in the now 600 GW installed wind power plants (parks). Also, they are used as vehicular and on ground stand-alone generators.
Ion Boldea   +6 more
doaj   +1 more source

A Full Order Sensorless Control Adaptive Observer for Doubly-Fed Induction Generator [PDF]

open access: yes, 2019
This paper presents a sensorless control for a Doubly Fed Induction Generator (DFIG) in the context of grid-connected turbine-based wind generation systems.
Brando, Gianluca   +2 more
core   +1 more source

Grid Voltage Dip Impacts on the DFIG Wind Turbine and Its Main AC Contactor Performances

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2018
Doubly-fed induction generators connected to the power grid are widely used in wind farms as a part of the power system. The wind turbines are in general susceptible to grid disturbance in a form of transient faults which often result in voltage dips ...
Ahsein Jomaa Alshibani   +2 more
doaj   +1 more source

Power systems with high renewable energy sources: A review of inertia and frequency control strategies over time [PDF]

open access: yes, 2020
Traditionally, inertia in power systems has been determined by considering all the rotating masses directly connected to the grid. During the last decade, the integration of renewable energy sources, mainly photovoltaic installations and wind power ...
Fernández Guillamón, Ana   +3 more
core   +2 more sources

Research on SCESS-DFIG DC Bus Voltage Fluctuation Suppression Strategy for Frequency Inertia Regulation of Power Grid

open access: yesIEEE Access, 2020
The doubly fed induction generator with super capacitor is helpful to enhance the system inertia. At the same time, its structural characteristics are more suitable for the power grid topology without communication lines.
Dongyang Sun   +5 more
doaj   +1 more source

Parameter Identification of Doubly-Fed Induction Wind Turbine Based on the ISIAGWO Algorithm

open access: yesEnergies, 2023
Variations in generator parameters that occur during the operation of a doubly-fed induction wind turbine (DFIG) constitute a significant factor in the degradation of control performance.
Fanjie Yang   +4 more
doaj   +1 more source

Study of the Cascaded Doubly Fed Induction Machine Dynamics Under Vector Control

open access: yesEletrônica de Potência, 2017
Brushless Doubly-Fed Induction Machines (BDFIM) present many industrial advantages due to the lack of brushes. A foreseen major application is for Wind Power Generation in substitution to the well known and used Doubly-Fed Induction Generator (DFIG ...
Carlos H. S. de Vasconcelos   +2 more
doaj   +1 more source

Wind Turbine Gearbox Diagnosis Based on Stator Current

open access: yesEnergies, 2023
Early detection of faults in wind energy systems can reduce downtime, operating, and maintenance costs while increasing productivity. This paper proposes a method based on the analysis of generator stator current signals to detect faults in a wind ...
Idris Issaadi   +2 more
doaj   +1 more source

Impact of hybrid renewable energy systems on short circuit levels in distribution networks [PDF]

open access: yes, 2014
The effects of the distributed generation can be classified as environmental, technical and economical effects. It is playing a very vital role for improving the voltage profiles in electrical power systems.
Afifi, SN, Darwish, MK
core   +1 more source

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