Results 11 to 20 of about 11,868,722 (204)

Research on Control Strategy for Unified Power Quality Conditioner

open access: yes发电技术, 2018
Unified power quality conditioner (UPQC) has been researched by scholars at home and abroad because it is most attractive measure to improve power quality of power distribution system or microgrid.
Jiuhe WANG
doaj   +2 more sources

Resolvement Of Power Quality Problems By Unified Power Quality Conditioner (Upqc) [PDF]

open access: yes, 2016
In this project presents a Design of a Unified Power Quality conditioner (UPQC) connected to three phase four wire system (3P4W). The neutral of series transformer used in the fourth wire for the 3P4W system. The neutral current that may flow toward transformer neutral point is compensated by using a four-leg voltage source inverter topology for shunt ...
Ms. Rohini. R. Dabhade*, Prof. C. Veeresh
openaire   +3 more sources

A non-linear controller design for UPQC in distribution systems

open access: yesAlexandria Engineering Journal, 2018
In this article, a new approach based on non-linear control scheme was proposed for unified power quality conditioner (UPQC). The combination of sliding mode control and instantaneous active and reactive power theories was used to design this controller.
Mojtaba Yavari   +2 more
doaj   +1 more source

Power quality management in electrical grid using SCANN controller-based UPQC [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
The electrical grid integration takes great attention because of the increasing population in the nonlinear load connected to the power distribution system.
Varadharajan Balaji, Subramanian Chitra
doaj   +1 more source

Interline Unified Power Quality Conditioner [PDF]

open access: yes, 2007
This paper proposes a new connection for a unified power quality conditioner (UPQC) to improve the power quality of two feeders in a distribution system. A UPQC consists of a series voltage-source converter (VSC) and a shunt VSC both joined together by a
Ghosh, Arindam   +2 more
core   +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

Hybrid Wind-Solar System with UPQC [PDF]

open access: yesE3S Web of Conferences
The hybrid wind-solar system is a combination of renewable energy sources, specifically wind and solar, that is utilized for power generation. While wind power has historically been used for various purposes such as sails, windmills, and wind pumps, it ...
Saxena Abhishek   +6 more
doaj   +1 more source

Simple Control Method for Unified Power Quality based on Five-level Inverter Topologies Operating under all Voltage Disturbances

open access: yesAlgerian Journal of Signals and Systems, 2023
This paper proposes a simple control scheme for UPQC (Unified Power Quality Conditioner) system based on five-level NPC (Neutral Point Clamped) inverter capable to compensate all disturbances under all voltage conditions.
Salim CHENNAI
doaj   +1 more source

New control algorithms for three-phase four-wire unified power quality conditioner — a simulation study [PDF]

open access: yes, 2013
n this paper, some new control algorithms are proposed for three-phase four-wire Unified Power Quality Conditioner. These control algorithms are based on the combination of Unit Vector Template Generation (UVTG) with Power Balance Theory (PBT), single ...
Singh, Bhim, Pal, Yash, Swarup, A.
core   +3 more sources

Voltage sag compensation strategy for unified power quality conditioner with simultaneous reactive power injection

open access: yesJournal of Modern Power Systems and Clean Energy, 2016
Unified power quality conditioner (UPQC) holds the capability of solving power quality problems, especially shows good performance in the voltage sag compensation.
Yunfei Xu   +3 more
doaj   +1 more source

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