Results 31 to 40 of about 9,521 (205)

Performances Analysis on Power Quality Problems Mitigation by using Unified Power Quality Conditioner (UPQC)

open access: yesJAREE (Journal on Advanced Research in Electrical Engineering), 2019
Nowadays, power quality is one of the major problems in electric power distribution system. The poor power quality at distribution level can affect the operation and performance of sensitive and critical loads.
May Phone Thit
doaj   +1 more source

New trends in active filters for power conditioning [PDF]

open access: yes, 1996
Attention has been paid to active filters for power conditioning which provide the following multifunctions: reactive power compensation; harmonic compensation; flicker/imbalance compensation; and voltage regulation.
Akagi, Hirofumi
core   +1 more source

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   +1 more source

Active Harmonic Compensation and Stability Improvement in High-Power Grid-Connected Inverters Using Unified Power Quality Conditioner [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2023
Multifunctional features of grid-connected inverters can be used for harmonic compensation of local load voltage and grid-injected current. But, in high-power grid-connected inverters, there is a challenge due to low switching frequency.
Elham Samavati, Hamid Reza Mohammadi
doaj   +1 more source

Research on control strategy of mine-used unified power quality conditioner

open access: yesGong-kuang zidonghua, 2018
In view of problems of high switching loss, serious interphase interference and low DC side voltage utilization in tracking compensation current and voltage of traditional mine-used unified power quality conditioner, a constant frequency double ...
ZHONG Ningfan   +4 more
doaj   +1 more source

Analysis, monitoring, and mitigation of power quality disturbances in a distributed generation system

open access: yesFrontiers in Energy Research, 2022
Despite the numerous benefits of distributed generation (DG), such as reliable energy supply and environmental friendliness, there are a number of challenges associated with integrating DG with the grid.
T. Ravi, K. Sathish Kumar
doaj   +1 more source

A Novel Intelligent Neural Network Techniques of UPQC with Integrated Solar PV System for Power Quality Enhancement [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2023
A Novel Intelligent control of a Unified Power Quality Conditioner (UPQC) coupled with Photovoltaic (PV) system is proposed in this work. The utilization of a Re-lift Luo converter in conjunction with a Cascaded Artificial Neural Network (ANN) Maximum ...
Ramesh Rudraram   +2 more
doaj   +1 more source

Unified Power Quality Conditioners Based Different Structural Arrangements: A Comprehensive Review

open access: yesIEEE Access, 2023
Mitigating power quality issues in distribution systems is of utmost importance to both electricity consumers and suppliers as it improves the distribution system’s efficiency, reduces electricity costs, maintains continuous supply, and diminishes
Anisha Heenkenda   +5 more
doaj   +1 more source

Control algorithms based on the active and non-active currents for a UPQC without series transformers [PDF]

open access: yes, 2016
This study presents control algorithms for a new unified power quality conditioner (UPQC) without the series transformers that are frequently used to make the insertion of the series converter of the UPQC between the power supply and the load.
Arboleya P.   +15 more
core   +1 more source

A 3D-Space Vector Modulation Algorithm for Three Phase Four Wire Neutral Point Clamped Inverter Systems as Power Quality Compensator

open access: yesEnergies, 2017
A Unified Power Quality Conditioner (UPQC) is designed using a Neutral Point Clamped (NPC) multilevel inverter to improve the power quality. When designed for high/medium voltage and power applications, the voltage stress across the switches and harmonic
Palanisamy Ramasamy   +1 more
doaj   +1 more source

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