Analysis of Measured Data at the Point of Complaints to Power Quality

Published by Petr ROZEHNAL, Jan UNGER, Petr KREJCI, VŠB-Technical University of Ostrava Abstract. Electricity is one of the most important energy that uses both in the home and in industry. For good and seamless use of electricity are important its quality. Deteriorating power quality is increasingly becoming an important problem for the industry and serviceContinue reading “Analysis of Measured Data at the Point of Complaints to Power Quality”

Effect of a Wind Generator on the Optimal Location of FACTS

Published by Messaoud ZOBEIDI*1, Fatiha LAKDJA2, Yamina Ahlem GHERBI3, Fatima Zohra GHERBI1 ,Department of electrical Engineering, laboratory of ICEPS, Djillali Liabes Universiy, Sidi-Bel-Abbes, Algeria(1), Department of electrical Engineering, laboratory of ICEPS ,Saida Universiy,Saida , Algeria (2), Department of electrical Engineering, USTO-MB Oran , Durable Development of Electric power laboratory, Algeria(3) Abstract. The development has contributedContinue reading “Effect of a Wind Generator on the Optimal Location of FACTS”

Fluid Interaction in a Complex Terrain Wind Farm

Published by Bukurije HOXHA1, Risto V.FILKOSKI2 , University of Prishtina “Hasan Prishtina” (1), Ss. Cyril and Methodius University, Skopje (2)ORCID: 1. 0000-0002-8890-2054; 2. 0000-0002-3743-318X Abstract. Optimisation of the placement of wind turbines in a farm is an important stage in wind farm construction. Koznica, a mountainous terrain available for wind farms, is considered in theContinue reading “Fluid Interaction in a Complex Terrain Wind Farm”

New Approach to Protecting Transformers Against High Frequency Transients – Wind Turbine Case Study

Published by Dariusz SMUGAŁA(1), Wojciech PIASECKI(1), Magdalena OSTROGÓRSKA(1), Marek FLORKOWSKI(1), Marek FULCZYK(2), Ole GRANHAUG(3), ABB Sp.z.o.o., Corporate Research Center, Cracow, Poland (1), ABB Oy, Medium Voltage Products, Vaasa, Finland (2), ABB AS, Medium Voltage Products, Skien, Norway (3) Abstract. Novel protection method of wind turbine transformers against high frequency transients occurring during switchgear operation isContinue reading “New Approach to Protecting Transformers Against High Frequency Transients – Wind Turbine Case Study”

Transient Performance of Interconnected Wind Turbine Grounding Systems

Published by Blagoja MARKOVSKI, Leonid GRCEV, Vesna ARNAUTOVSKI-TOSEVA, Marija KACARSKA,Ss. Cyril and Methodius University of Skopje, Faculty of Electrical Engineering and Information Technologies Abstract. We analyze the transient grounding characteristics of interconnected wind turbine grounding systems, for fast rising current pulses. By increasing the number of wind turbines, influences on harmonic impedance and transient potentialContinue reading “Transient Performance of Interconnected Wind Turbine Grounding Systems”

Application of Genetic Algorithm for Optimal Placement of Wind Generators in the MV Power Grid

Published by Ryszard SZCZEBIOT1, Sławomir CIEŚLIK2, State College of Computer Science and Business Administration in Łomża (1)University of Technology and Life Sciences, Bydgoszcz (2) Abstract. The paper presents a modelling method of optimal connection of wind generators to a medium voltage (MV) power grid taking into account minimum active power losses. A genetic algorithm wasContinue reading “Application of Genetic Algorithm for Optimal Placement of Wind Generators in the MV Power Grid”

Impact of Renewables on Relay Protection Operation

Published by Mikhail ANDREEV, Aleksey SUVOROV, Alisher ASKAROV, Anton KIEVETS, Vladimir RUDNIK, Tomsk Polytechnic University, Russia Abstract. The current trend in the development of electric power systems is the integration of renewable energy sources in the form of distributed generation. It was revealed that one of the main reasons inhibiting this process is a changeContinue reading “Impact of Renewables on Relay Protection Operation”

Some Aspects of the Growing Penetration of Wind Energy in the Polish Power System

Published by Tadeusz SKOCZKOWSKI1, Maksymilian KOCHAŃSKI1,2, Warsaw University of Technology (1), Research and Innovation Centre Pro-Akademia (2) Abstract. According to the Energy Policy of Poland by 2030 the national power system will have to acquire 12 times more electricity from wind energy than in 2011. This challenging policy goal entails a number of significant consequences.Continue reading “Some Aspects of the Growing Penetration of Wind Energy in the Polish Power System”

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”

Temporary Overvoltage and Grounding Transformer Analysis

Published by Electrotek Concepts, Inc., PQSoft Case Study: Temporary Overvoltage and Grounding Transformer Analysis, Document ID: PQS1203, Date: January 25, 2012. Abstract: This case study presents the results for a wind plant temporary overvoltage (TOV) and grounding transformer transient analysis. The case study investigated the potential for excessive temporary overvoltages during single-phase faults on a 34.5Continue reading “Temporary Overvoltage and Grounding Transformer Analysis”