A Grid-Connected PV Power System Total Considers the MPPT and SSRF-SPLL Control Technologies

Published by Liu Liqun, Liu Chunxia*, Taiyuan University of Science & Technology Abstract. At present, an optimal maximum power tracking (MPPT) and grid-connected control methods for a PV power system are very important to improve the output efficiency. However, most of literatures only introduce the MPPT or PLL method, respectively. A novel MPPT method isContinue reading “A Grid-Connected PV Power System Total Considers the MPPT and SSRF-SPLL Control Technologies”

Power Quality Analysis of Grid-Connected Photovoltaic Systems in Distribution Networks

Published by Masoud FARHOODNEA1, Azah MOHAMED1, Hussain SHAREEF1, Hadi ZAYANDEHROODI1, University Kebangsaan Malaysia (UKM) (1) Abstract. This paper presents a dynamic PQ analysis on the effects of high-penetrated grid-connected photovoltaic (PV) systems in a distribution system under different weather conditions. To track practical considerations, all information on PV units and weather conditions given in thisContinue reading “Power Quality Analysis of Grid-Connected Photovoltaic Systems in Distribution Networks”

Feasibility Analyses of Hybrid Wind-PV-Battery Power System in Dongwangsha, Shanghai

Published by Liu Liqun, Liu Chunxia, Taiyuan University of Science & Technology Abstract. This paper gives the feasibility analysis of a wind-PV-battery system for an off-grid power station specially located in remote village of Dongwangsha, Shanghai. The simulation and optimization results indicated the feasibility analyses of the proposed hybrid wind-PV system with storage battery backup.Continue reading “Feasibility Analyses of Hybrid Wind-PV-Battery Power System in Dongwangsha, Shanghai”

Diagram of Daily Consumption of Electricity, Houses Appliances, Distribution them into Categories by Importance of Electricity Supply

Published by Petr ZÁVADA1, Karel SOKANSKÝ1, VSB – Technical University of Ostrava (1) Abstract. Today, the development of power generation from renewable sources is an effort to maximize the share of total energy consumption. Big source of energy in solar and wind power plants are mostly connected to the distribution network and supply the energyContinue reading “Diagram of Daily Consumption of Electricity, Houses Appliances, Distribution them into Categories by Importance of Electricity Supply”

Renewable Energy Sources Intrusion into Smart Grids – Selected Problems

Published by Bożena E. MATUSIAK, Jerzy S. ZIELIŃSKI, University of Lodz Abstract. The aim of the paper are selected problems resulting from Renewable Energy Sources (RES) intrusion into Smart Grids (SG) presentation. Upon considerations there are: wind turbines influence on power system operation, RES and microgrids operation with a Power System, new Energy Market forContinue reading “Renewable Energy Sources Intrusion into Smart Grids – Selected Problems”

Techno-Economic Analysis of Off-Grid Renewable Energy Power Station: A Case Study

Published by Liu Liqun, Liu Chunxia, Taiyuan University of Science & Technology Abstract. This paper gives the techno-economic analysis of a wind-PV-diesel system with storage battery backup for an off-grid power station specially located in Dongwangsha, studying data from a particular site in littoral China. The simulation and optimization results indicated the most optimized sizingContinue reading “Techno-Economic Analysis of Off-Grid Renewable Energy Power Station: A Case Study”

Hybrid Power System of Public Lighting in Smaller Villages

Published by Stanislav MIŠÁK, Jaroslav ŠNOBL, František DOSTÁL, Daniel DIVIŠ, VSB – Technical University of Ostrava Abstract. This article deals with the possibility of public lighting power from renewable resources, it means of a hybrid system consisting of solar panels and wind power. The factual data for dimensioning the system was obtainedby extensive exploration ofContinue reading “Hybrid Power System of Public Lighting in Smaller Villages”

Electrical Energy Storage Systems

Published by Zdeněk HRADÍLEK, Petr MOLDŘÍK, Roman CHVÁLEK VŠB – Technical University of Ostrava, Department of Electrical Power Engineering Abstract. Attention is paid to the electrical energy storage systems that are already used in the framework of electrical power system, and further to the systems that are studied and developed for this purpose. The describedContinue reading “Electrical Energy Storage Systems”

A Survey of the Smart Grid Technologies: Background, Motivation and Practical Applications

Published by Yang HAN1, Lin XU2University of Electronic Science and Technology of China (1), Shanghai Jiao Tong University (2) Abstract. This paper presents the survey of the smart grid technologies, including the background, motivation and practical applications. The driving forces for the smart grid technologies are presented, including the blackout, global energy crisis and environmentalContinue reading “A Survey of the Smart Grid Technologies: Background, Motivation and Practical Applications”

Power Quality Measurements and Analysis for Wind Turbines

Published by Mariano Sanz, Member, IEEE, Andrés Llombart, Member, IEEE, Ángel Antonio Bayod and Joaquín Mur, Student Member, IEEE Abstract— A new system for studying power quality (PQ) in wind turbines (WT) has been designed using a data acquisition board (DAQ), LabVIEW programming software and a portable PC. The system has been installed at windContinue reading “Power Quality Measurements and Analysis for Wind Turbines”