Results 1 to 10 of about 11,868,797 (285)

Sliding mode-based direct power control of unified power quality conditioner [PDF]

open access: yesHeliyon
The Unified Power Quality Conditioner (UPQC) is a promising solution for mitigating multiple Power Quality(PQ) issues in distribution systems, including harmonics, poor power factor, voltage sag/swell and voltage imbalance.
Tapankumar Trivedi   +5 more
doaj   +4 more sources

Neural Network Controlled Solar PV Battery Powered Unified Power Quality Conditioner for Grid Connected Operation

open access: yesEnergies, 2022
The Unified Power Quality Conditioner (UPQC) is a technology that has successfully addressed power quality issues. In this paper, a photovoltaic system with battery storage powered Unified Power Quality Conditioner is presented. Total harmonic distortion
Okech Emmanuel Okwako   +4 more
doaj   +4 more sources

Online harmonic extraction and synchronization algorithm based control for unified power quality conditioner for microgrid systems

open access: yesEnergy Reports, 2022
This manuscript proposes an Adaptive Linear Neural Network (ADALINE) based control for the unified power quality conditioner to protect the critical loads from voltage related power quality problems and mitigate the current related power quality problems
Kamrul Hasan   +6 more
doaj   +4 more sources

An effective compensation control strategy for power quality enhancement of unified power quality conditioner

open access: yesEnergy Reports, 2020
The unified power quality conditioner (UPQC) has become one of the most proficient solutions for compensating the effects of voltage fluctuations, harmonics, sudden load changes and enhancing the power quality of distribution networks.
Tao Jin   +4 more
doaj   +3 more sources

Comprehensive control for unified power quality conditioners [PDF]

open access: yesJournal of Modern Power Systems and Clean Energy, 2017
This paper presents a comprehensive control strategy for unified power quality conditioners (UPQCs) to compensate for both voltage and current quality problems.
Miguel OCHOA-GIMÉNEZ   +2 more
doaj   +4 more sources

Power Quality Improvement by Unified Power Quality Conditioner Based on CSC Topology Using Synchronous Reference Frame Theory [PDF]

open access: yesThe Scientific World Journal, 2014
This paper deals with the performance of unified power quality conditioner (UPQC) based on current source converter (CSC) topology. UPQC is used to mitigate the power quality problems like harmonics and sag.
Rajasekaran Dharmalingam   +4 more
doaj   +2 more sources

Predictive direct control strategy of unified power quality conditioner based on power angle control

open access: yesInternational Journal of Electrical Power & Energy Systems
The unified power quality conditioner (UPQC), based on power angle control (PAC), addresses the power distribution issue and enhances equipment utilization between two active power filters (APF) of UPQC by employing conventional linear control algorithms
Guifeng Wang, Zewen Wu, Zhan Liu
doaj   +3 more sources

Effect of Unified Power Quality Conditioner on Voltage and Current Waveforms

open access: yesWalailak 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   +2 more
doaj   +3 more sources

Solar photovoltaic interconnected ZSI-unified power quality conditioner to enhance power [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
In order to ensure that all the connected Equipment in the distribution network operates smoothly, the voltage stability of photovoltaic (PV) integrated distribution systems is very important.
A. Raja, M. Vijayakumar, C. Karthikeyan
doaj   +1 more source

Biogeography based optimization strategy for UPQC PI tuning on full order adaptive observer based control

open access: yesIET Generation, Transmission & Distribution, 2021
Adaptive full order observer based control algorithm for unified power quality conditioner is presented. The full order adaptive observer based algorithm is capable of estimating fundamental positive sequence components parameters, including frequency ...
Sayed Javed Alam   +2 more
doaj   +1 more source

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