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Analysis and Power Quality Improvement in Hybrid distributed generation system with Utilization of Unified Power Quality Conditioner

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Computer Modeling in Engineering & Sciences 2023年第2期134卷 1105-1136页

作者： Noor Zanib Munira Batool Saleem Riaz Farkhanda Afzal Sufian Munawar Ibtisam Daqqa Najma Saleem Department of Electrical Engineering University of Engineering and TechnologyTaxila47050Pakistan School of Automation Northwestern Polytechnical University170072Xi’anChina National University Science&Technology MCSIslamabad44000Pakistan Department of Quantitative Methods College of Business AdministrationImam Abdulrahman Bin Faisal UniversityDammam34212Saudi Arabia Department of Mathematics and Natural Sciences College of Sciences and Human StudiesPrince Mohammad Bin Fahd UniversityKhobar31952Saudi Arabia

This paper presents a comprehensive study that includes the sizing and power flow by series and parallel inverters in a distributed generation system(DGs)that integrates the system of hybrid wind photovoltaic with a unified power quality conditioner(UPQC).In addition to supplying active power to the utility grid,the system of hybrid wind photovoltaic functions as a UPQC,compensating reactive power and suppressing the harmonic load ***,the load is supplied with harmonic-free,balanced and regulated output *** PVWind-UPQC is established on a dual compensation scheme,the series inverter works like a sinusoidal current source,while the parallel inverter works like a sinusoidal voltage ***,a smooth alteration from interconnected operating modes to island operating modes and vice versa can be achieved without load voltage *** PV-Wind-UPQC inverters handle the energy generated through the hybrid wind photovoltaic system and the energy demanded through the load,the converters should be sized cautiously.A detailed study of the flow of power via the PV-Wind-UPQC is imperative to gain a complete understanding of the system operation and the proper design of the ***,curves that allow the sizing of the power converters according to the power flow via the converters are presented and *** results are presented to assess both steady state and dynamic performances of the grid connected hybrid system of *** investigation is verified by simulating and analyzing the results with Matlab/Simulink.

关键词： Photovoltaic wind turbine unified power quality conditioner power flow distributed generation system

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distributed generation system Development Based on Various Renewable Energy Resources

Distributed Generation System Development Based on Various R...

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第三十届中国控制会议

作者： MA Yiwei,YANG Ping,GUO Hongxia College of Electric Power,South China University of Technology,Guangdong Key Laboratory of Clean Energy Technology,Guangzhou 510640,Guangdong,P.R.China

＜正＞In promotion of the new energy policy,the large-scale expansion of constructions of the wind and solar power is developing in China,whose random high-power electric energy fluctuation causes huge shock to the power *** this important problem of the power system safe operation,it is really top urgent to build a feasible solution to develop the large-scale new ***,this paper raises a distributed generation system based on various renewable energy resources, adopting a small-sized combined generation equipments of unit capacity 100kW max with wind,solar and biogas energies,and super capacitor and battery storage devices,which builds and installs near to the local loads center to supply it optimally in stable and safe,high reliability and less feeder loss *** operation performance of the demonstration project shows:the distributed generation system based on various renewable energy resources is an effective and feasible approach for its large-scale and efficient utilization purpose because of its particular distribution characteristics,direct power supply to the local loads and its little influence to the grid.

关键词： Power Grid Renewable Energy Resources distributed generation system Local Loads Power Supply

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