Results 101 to 110 of about 7,719 (230)

Comparative Analysis of Electromagnetic Performance of PM and HTS Excited Flux Switching Machines

open access: yesIET Science, Measurement &Technology, Volume 20, Issue 1, January/December 2026.
We introduce and validate an innovative generator topology of a flux‐switching machine (FSM) utilising high‐temperature superconducting (HTS) stator‐side field coils (HTS‐FSM). The results demonstrate that the electromagnetic performance of the HTS‐FSM offers a viable, sustainable and geopolitically secure foundation for the development of next ...
Cezary Jędryczka   +2 more
wiley   +1 more source

Robust Control of DFIG Wind Turbines in Sub/Super-Synchronous Operation Using Integral Backstepping Controller

open access: yesRevue des Énergies Renouvelables
This paper presents a robust control strategy for Doubly Fed Induction Generator (DFIG) wind turbines in Sup/Super Synchronous operation using an integral backstepping controller (INT-BCS-Control) based on the Lyapunov function.
Hichem Itouchene   +2 more
doaj   +1 more source

Three-Phase Steady-State Model of Doubly Fed Induction Generator Considering Various Rotor Speeds

open access: yesIEEE Access, 2016
This paper presents a new unbalanced steady-state model of doubly fed induction generator (DFIG) for the three-phase load flow analysis. The existing unbalanced DFIG steady-state model does not consider the effects of different rotor speeds. However, the
Yuntao Ju   +4 more
doaj   +1 more source

Improved DFIG Capability during Asymmetrical Grid Faults [PDF]

open access: yes, 2015
In the wind power application, different asymmetrical types of the grid fault can be categorized after the Y/d transformer, and the positive and negative components of a single-phase fault, phase-to-phase fault, and two-phase fault can be summarized. Due
Blaabjerg, Frede, Zhou, Dao
core   +2 more sources

Linear Modal Analysis of Doubly-Fed Induction Generator (DFIG) Torsional Interaction: Effect of DFIG Controllers and System Parameters

open access: yesAdvances in Electrical and Electronic Engineering, 2018
Clean energy sources like wind energy have received great attention due to growing demand for electrical energy and increase of environmental pollution. The Doubly Fed Induction Generators (DFIGs) are also in common use due to their ability to control the reactive power with no need for capacitor banks.
Ali Ziaei   +2 more
openaire   +2 more sources

Rotor Speed and Flux Estimation of a Doubly-fed Induction Machine Using Extended Kalman Filter

open access: yesAlgerian Journal of Signals and Systems, 2017
This paper uses Extended Kalman Filtering method (EKF) to estimate the rotor speed and flux of a Doubly-fed Induction Generator (DFIG) to be used in Wind Turbines (WTs).
Ahmad Boussoufa   +2 more
doaj   +1 more source

Quality of energy resulting from association converter- machine for the electric drive of a system of wind generation

open access: yesAlgerian Journal of Signals and Systems, 2017
The work presented in this paper concerns, the quality of energy negated with wind power system, we were interested initially to impact of the choice of the type of PWM control of the converters on the output quality of energy and we were interested to ...
Ghania Aggoun   +3 more
doaj   +1 more source

Comparison of PI and Direct Power Control with SVM of Doubly Fed Induction Generator

open access: yesElectrica, 2008
The present paper proposes the control of powers, independently of each other, of the active and reactive of a DFIG (Doubly Fed Induction Generator) used generally in the production of the electric energy and more especially in wind turbines.
C. Belfedal   +4 more
doaj   +2 more sources

Analysis of Bearing Current in Doubly-fed Induction Generator for Wind Power

open access: yesKongzhi Yu Xinxi Jishu, 2016
As the rotor of doubly-fed induction generator (DFIG) for wind power is supplied by PWM voltage source inverter, bearing damage caused by bearing current is very common.Through analyzing the generation mechanism of common mode voltage, it presented a ...
DENG Fanglin   +4 more
doaj  

REGULATION OF REACTIVE POWER PRODUCED BY DOUBLY FED INDUCTION WIND GENERATORS [PDF]

open access: yes, 2018
Study the methods of providing balance of reactive power by means of the voltage applied to the rotor of doubly fed induction wind ...
IVANOV, Oleksii, LIABAHOVA, Tetiana
core  

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