Results 51 to 60 of about 1,240 (203)

Mechanism and Control Analysis of Synchronous Frequency Resonance in Distributed Power Generation System Connected to Grid

open access: yesEnergy Science &Engineering, Volume 14, Issue 4, Page 2263-2276, April 2026.
Small‐signal modeling reveals that insufficient system damping positions conjugate poles near the imaginary axis, fundamentally explaining the SFR mechanism. A virtual resistance control is consequently proposed to damp the resonance and effectively suppress SFR, which is validated through Hardware‐in‐the‐Loop experiments.
Yujie Gu   +3 more
wiley   +1 more source

Comparison of Fuzzy Logic and PID Control in H‐Bridge Inverter: Performance Analysis and Response Optimization

open access: yesEngineering Reports, Volume 8, Issue 2, February 2026.
Under identical conditions, we benchmark PID against Fuzzy‐Logic control for a single‐phase H‐bridge inverter. FLC achieves faster rise/settling with lower THD and better disturbance rejection than tuned PID while requiring explicit rule design—offering a reproducible baseline and deployment guidance for power‐quality‐constrained inverter applications.
Baraa Taha   +4 more
wiley   +1 more source

AI‐Driven Optimization Techniques for Power Quality Improvement in Microgrids: Trends, Techniques, and Future Directions

open access: yesEnergy Science &Engineering, Volume 14, Issue 1, Page 583-610, January 2026.
Decentralized energy systems are gaining momentum, and microgrids have become a vital component of the modern power landscape. Yet, maintaining power quality within these systems presents ongoing challenges due to the presence of nonlinear loads, variable renewable energy sources, and frequent switching operations.
Mahnoor Zahid   +5 more
wiley   +1 more source

Modeling and Control of a Multi‐Energy Microgrid With Wind LVRT and Battery Pre‐Synchronization Strategy

open access: yesEnergy Science &Engineering, Volume 14, Issue 1, Page 266-280, January 2026.
This study establishes a hybrid microgrid model integrating a Doubly Fed Induction Generator (DFIG), a photovoltaic (PV) array, and a battery energy storage system, and proposes a coordinated control framework. The DFIG regulates DC‐bus voltage through the grid‐side converter and performs maximum power tracking via the rotor‐side converter, while the ...
Chunyan Li   +4 more
wiley   +1 more source

Dynamic Equivalent Model of Two‐Staged Distributed Photovoltaic Cluster Based on Multiple Clustering Algorithms

open access: yesIET Circuits, Devices &Systems, Volume 2026, Issue 1, 2026.
Aiming at the modeling problem of bipolar distributed photovoltaic (DPV) cluster, this paper proposes a clustering equivalent modeling method based on clustering algorithm. First, by analyzing the detailed model of bipolar DPV, it is found that the indexes that can reflect its steady‐state and dynamic characteristics mainly include energy storage ...
Tianyu Zhang, Hassan Haes Alhelou
wiley   +1 more source

Voltage Control Strategies in Distribution Systems With High Distributed Generation Penetration: Models, Methods and Future Research

open access: yesIET Energy Systems Integration, Volume 8, Issue 1, January/December 2026.
ABSTRACT This paper presents a comprehensive review of recent global research on voltage control in distribution systems with high penetration of distributed generation. First, it examines voltage regulation challenges in distribution systems that integrate distributed generation.
Htutzaw Hein   +6 more
wiley   +1 more source

A flexible low-voltage ride-through operation for the distributed generation converters

open access: yes, 2013
With more and more distributed energy resources (DERs) are installed in the utility grid, the utility requires the DER generation system to remain grid-connected and injects reactive and active power to support grid voltage during voltage sags.
Bhattacharya, Subhashish   +5 more
core   +1 more source

Active Low‐Voltage Ride‐Through Control Strategy for Wind Turbines to Improve Transient Stability in Power Systems

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
Based on the characteristic of wind turbine LVRT influencing system power balance, this study proposes a method utilising active LVRT control to achieve transient stability. A transient stability control strategy is developed by integrating active LVRT with deep reinforcement learning while introducing a disturbance‐level‐based coordinated control ...
Guangyao Yu   +6 more
wiley   +1 more source

Improved Phase Comparison Phase‐to‐Phase Distance Protection for Transmission Lines Connected to Energy Storage Power Stations Based on Polarisation Voltage Phase Reconstruction

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper studies the fault characteristics of the energy storage power station's transmission lines and its influence on the traditional phase comparison distance protection, under different charging and discharging operating conditions. An improved phase comparison distance protection based on polarisation voltage phase reconstruction is proposed ...
Haoyu Zhu   +4 more
wiley   +1 more source

Performance Evaluation of Low/Zero Voltage Ride-Through Operations for Single-Stage Single-Phase Photovoltaic Inverters

open access: yes, 2017
With the fast development of distributed power generations, stability and security have attracted extensive attention in the recent years. As a representative of clean energies, Photovoltaic (PV) systems have been installed extensively worldwide.
null Ruiqing Ma   +7 more
core   +1 more source

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