Results 61 to 70 of about 2,675 (224)

Research on Low Voltage Ride Through for Small Direct-driven Permanent Magnet Wind Turbine in Low Voltage Microgrid

open access: yes发电技术, 2020
Aiming at the problem of low voltage ride through (LVRT) of the generation side uncontrollable rectifying permanent magnet wind turbine in the low voltage microgrid, the operating characteristics of the permanent magnet synchronous generator (PMSG) wind ...
Haichuan ZHAO   +3 more
doaj   +1 more source

Effect of Series Active Voltage Conditioners on Modernized Grid

open access: yes, 2015
Modernized “Smart” grids incorporate renewable energy sources on a widespread scale. Foreseen expansion in integrating more renewables is driven by global CO₂ emission concerns and depletion of fossil fuels.
Ahmed, Mostafa Ahmed Nazih
core   +2 more sources

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

Value‐Based Reinforcement Learning for Inter‐Area Oscillations Mitigation in PV‐Integrated Power Systems

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
Enhanced critic‐only DQN with smoothing enables continuous SVC control for damping inter‐area oscillations. The state selection via participation and residue analysis captures critical key modes. Orthogonal array efficiently tunes hyperparameters with low cost.
Gunawan Dewantoro   +3 more
wiley   +1 more source

Demodulation Type Single-Phase PLL with DC Offset Rejection [PDF]

open access: yes, 2020
International audienceThis Letter proposes demodulation type PLL for phase and frequency estimation of single‐phase system that can reject DC offset. Using results from the adaptive estimation literature, this Letter proposes a linear parametric model ...
Ahmed, Hafiz, Benbouzid, Mohamed
core   +1 more source

Strengthening Renewable‐Rich Weak Grids Through Improved Voltage Stability and Fault‐Ride Through Capability

open access: yesIET Renewable Power Generation, Volume 20, Issue 1, January/December 2026.
To enhance grid stability and resilience in high renewable energy scenarios, this research proposes a cascaded control optimization framework guided by a novel dynamic resilience metric. Validated on a representative Australian grid, the framework significantly reduced voltage overshoot and extended fault clearing times, offering a robust solution for ...
Sadnan Sakib   +4 more
wiley   +1 more source

Wind–Storage Coordinated Control Strategy for Suppressing Repeated Voltage Ride-Through of Units Under Extreme Weather Conditions

open access: yesEnergies
In practical engineering, large-scale wind power integration typically requires long-distance transmission lines to deliver power to load centers. The resulting weak sending-end systems lack support from synchronous power sources.
Yunpeng Wang   +5 more
doaj   +1 more source

Analysis and Control of Low-Voltage Ride-Through Capability Improvement for PMSG Based on an NPC Converter Using an Interval Type-2 Fuzzy Logic System

open access: yesElektronika ir Elektrotechnika, 2019
Wind farms must be linked to the grid during the voltage sag. Therefore, the improvement of low-voltage ride-through (LVRT) capability of wind turbine (WT) is a vitally issue. Protection system based on an interval type-2 fuzzy logic system (IT-2 FLC) is
Altan Gencer
doaj   +1 more source

A Novel ALTSRCFNN‐STSMC Approach for Enhancing Ride‐Through in Hybrid Renewable Systems

open access: yesIET Renewable Power Generation, Volume 20, Issue 1, January/December 2026.
Simulation results demonstrate that the proposed method reduces voltage recovery time by approximately 25% and improves transient voltage stability by about 15% while satisfying low‐voltage ride‐through (LVRT) grid code requirements. ABSTRACT This paper develops a hybrid adaptive control framework for improving low‐voltage ride‐through (LVRT ...
Kai‐Hung Lu   +3 more
wiley   +1 more source

Power Electronics – The Key Technology for Renewable Energy System Integration [PDF]

open access: yes, 2015
The energy paradigms in many countries (e.g. Germany and Denmark) have experienced a significant change from fossil-based resources to clean renewables (e.g. wind turbines and photovoltaics) in the past few decades.
Blaabjerg, Frede   +3 more
core   +2 more sources

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