Results 31 to 40 of about 256 (163)

Power Quality Compensation Strategy of MMC-UPQC Based on Passive Sliding Mode Control

IEEE Access, 2023
While the unified power quality conditioner based on modular multilevel converter (MMC-UPQC) can be used for recovering power quality of voltage and current in high voltage grids, it is difficult to manage the power quality when the grid voltage ...
Chang Jiang, Shaohua Zhang
doaj   +1 more source

An Optimization Method for Solving Three‐Phase Unbalance and Vehicle‐to‐Grid Reactive Power Compensation Utilizing Three‐Phase Inverter Control

IET Intelligent Transport Systems, Volume 20, Issue 1, January/December 2026.
1. Using an operating power factor control method based on the instantaneous power theory to regulate voltage. 2. Designing the three‐phase four‐wire inverter s control strategy to effectively solve the three‐phase unbalanced operation problem. 3. Quantifying the regulation ability of electric vehicles as a reactive power compensation resource in the ...
Yin Yi, Yun Zhou, Donghan Feng, Hengjie Li, Kaiyu Zhang, Chen Fang   +5 more
wiley   +1 more source

Effect of Unified Power Quality Conditioner on Voltage and Current Waveforms

Walailak Journal of Science and Technology, 2021
Power quality improvement faces different and significant problems due to voltage instability and the wide use of electronic power devices. To overcome these different power quality problems, an active power filter is used.
Muhammad Ossama MAHMOUD, Wael MAMDOUH, Hamdy KHALIL   +2 more
doaj   +1 more source

A Parameter Design Method for SVC Considering the Impedance Interaction Between Inverters and Reactive Compensation Devices

IET Power Electronics, Volume 19, Issue 1, January/December 2026.
Distributed generation (DG) aggregation points are typically equipped with reactive compensation devices to maintain voltage stability. However, improper parameter design may cause harmonic oscillations due to interactions between the device and inverter impedance.
Chengjia Bao, Xingye Wang, Yonggang Li, Tianyi Zhang, Jianwen Li   +4 more
wiley   +1 more source

Adaptive Control of a PV‐Integrated Unified Power Quality Conditioner for Remote Low‐Voltage Distribution Networks

IET Renewable Power Generation, Volume 20, Issue 1, January/December 2026.
An adaptive VLLMS‐based control strategy is developed for a PV‐powered UPQC, enabling simultaneous PQ mitigation and distributed power management. Filterless extraction and decoupling of non‐ideal voltage and current components provide fast convergence, improved dynamic response and stable DC‐link voltage under PV power fluctuations.
Pragnyashree Ray, Laxmidhar Senapati, Pradyumna Kumar Behera, Alivarani Mohapatra, Theophilus A. T. Kambo, Soumyakanta Samantaray, Buddhadeva Sahoo   +6 more
wiley   +1 more source

Hybrid controller-based solar-fuel cell-integrated UPQC for enrichment of power quality

Paladyn, 2023
A fuzzy-integrated sliding mode-based hybrid controller (FISMHC) attributed to unified power quality conditioner (UPQC) was proposed in this study through implementation with solar integrated to fuel cell through incorporation of UPQC within sequence ...
Sai Sarita Narala Chitti, Suresh Reddy Sanna, Sujatha Peddakotla   +2 more
doaj   +1 more source

Frequency Control of Renewable‐Based Microgrids With Storage Subsystems Using an Improved Exponential Distribution Optimizer

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
This article introduces an advanced optimization‐based control framework for a hybrid microgrid (MG) system that includes renewable energy sources and energy storage components. An optimal controller is designed by tuning its parameters through an improved exponential distribution optimizer (IEDO), aimed at addressing the load frequency control (LFC ...
Ali S. Aljumah, Mohammed H. Alqahtani, Ahmed R. Ginidi, Abdullah M. Shaheen, Cheng Du   +4 more
wiley   +1 more source

A New Control Strategy Based Multi Converter UPQC Using Fuzzy Logic Controller to Improve the Power Quality Issues

Advances in Electrical and Electronic Engineering, 2014
A design of multiconverter unified power quality conditioner to improve the power quality issues is presents in this paper. Modified SRF theory and fuzzy logic controller technique are incorporated in this modelling.
Chandra Babu Paduchuri, Subhransu Sekhar Dash, Subramani Chinnamuthu   +2 more
doaj   +1 more source

Power Quality Enhancement in Grid‐Connected Photovoltaic Systems Using Hybrid Harbor Seal Whiskers Optimization and Interpretable Generalized Additive Neural Networks

International Transactions on Electrical Energy Systems, Volume 2026, Issue 1, 2026.
The integration of solar energy into modern power grids supports sustainability and energy efficiency but also introduces power quality (PQ) challenges such as harmonic distortion, voltage sag, swell, and fluctuations. In order to reduce PQ problems in renewable energy systems (RESs), this research proposes a novel hybrid control strategy that combines
M. Hariprabhu, C. Kumar, T. Dharma Raj, Sourav Barua, Mario Ponce-Silva   +4 more
wiley   +1 more source

Simulation and experiment of algorithm and circuit design for UPQC

Automatika, 2019
Power quality issues have become one of the most important issue for researchers to concern. In this paper, simulation and experiment of algorithm and circuit design of Unified Power Quality Conditioner (UPQC) are provided. Control algorithm and topology
Mingbo Yang, Tianyuan Tan, Junfeng Hu
doaj   +1 more source