Published by 1. Mohd Sanusi Bin Mohd Mokhtar1, 2. Mohd Shafie Bin Bakar2, 3. Mohd Shawal Bin Jadin2, Paya Besar Community College (1), Faculty of Electrical and Electronics Engineering Technology, Universiti Malaysia Pahang (UMP) (2) ORCID: 2. 0000-0003-2905-6449; 3.0000-0001-6253-7821 Abstract. In this paper, a simulation study on H5 topology is presented. H5 topology is aContinue reading “Analysing the Performance of H5 Inverters in a Photovoltaic System”
Category Archives: Case Studies
Electricity Transportation using HVDC Technology for Algerian Southern Sun Power Plants
Published by 1. Mohammed SAAIDIA, 2. Abdelghani GUECHI, 3. Nedjem-Eddine BENCHOUIA, University Mohamed-Cherif Messaadia of Souk-Ahras . ORCID: 1. 0000-0002-7778-8591; 3. 0000-0002-4761-940 Abstract. Algeria is worldly known as one of the big producers and exporters of fossil fuels. However, by developing an adequate energy policy, it could become one of the great sun power (SP)Continue reading “Electricity Transportation using HVDC Technology for Algerian Southern Sun Power Plants”
Determination of the Place and Degree of Damage Insulation in Cables
Published by Nahid MUFIDZADA1, Gulgaz İSMAYILOVA2, Azerbaijan State Oil and Industry University, Power Faculty, “Electroenergetics” department, Baku, AzerbaijanORCID: 0000-0003-4063-2128, 0000-0003-0063-2020 Abstract. A new method has been developed to determine the location and degree of insulation damage in cables. An electrical circuit is defined, using which this task is performed. According to this scheme, one endContinue reading “Determination of the Place and Degree of Damage Insulation in Cables”
Power Quality Analysis: Case Study for Induction Motor and 110/35kV Substation
Published by 1. Nuri Berisha, 2. Bahri Prebreza*, 3. Petrit Emini, Faculty of Electrical and Computer Engineering, University of PrishtinaORCID: 1. 0000-0001-8615-637X; 2. 0000-0003-1950-026X; 3. 0000-0002-2833-9001 Abstract. Power system harmonics have a significant impact on the efficiency, reliability, and stability of the system. Low power quality is determined by undervoltages and overvoltages, dips and swells,Continue reading “Power Quality Analysis: Case Study for Induction Motor and 110/35kV Substation”
Analysis of Annual Load Variability in the Polish Electric Power System
Published by Kornelia BANASIK1, Andrzej Ł. CHOJNACKI2, Agata KAŹMIERCZYK3, Kielce University of Technology, Faculty of Electrical Engineering, Automatic Control and Computer Science, Department of Power Engineering, Power Electronics and Electrical MachinesORCID: 1. 0000-0002-6629-8650; 2.0000-0002-9227-7538; 3. 0000-0002-4247-4904 Abstract: The paper presents an analysis of the annual variability of power system loads in Poland over a periodContinue reading “Analysis of Annual Load Variability in the Polish Electric Power System”
Ultra–Fast Charging of Electric Bus Fleet and its Impact on Power Quality Parameters
Published by 1. Aleksander CHUDY, 2. Paweł A. MAZUREK, Lublin University of Technology ORCID: 1. 0000-0002-3183-8450, 2. 0000-0002-7098-2084 Abstract. The research focused on one–week long measurement of power quality parameters at the connection point of a 450 kW charging station (pantograph type) in the distribution substation. The bus terminal was equipped with 1200 kVA 15.75/0.42Continue reading “Ultra–Fast Charging of Electric Bus Fleet and its Impact on Power Quality Parameters”
Analysis of Seasonality and Causes of Equipment and Facility Failures in Electric Power Distribution Networks
Published by Andrzej Ł. CHOJNACKI, Kielce University of Technology, Department of Power Engineering ORCID: 0000-0002-9227-7538 Abstract. The article presents the results of analyses concerning the seasonality and causes of damage to equipment and facilities operated in 110kV, MV and LV power distribution networks. These facilities include 110kV overhead lines, 110kV/SN substations, MV overhead and cableContinue reading “Analysis of Seasonality and Causes of Equipment and Facility Failures in Electric Power Distribution Networks”
UPS Problem at Datacentre
Published by Unipower AB, Case Study: UPS Problem at Datacentre, Date: January 29th, 2017. Email: info@unipower.se Summary A software development company builds a new datacentre and experience problems with the UPS units and a hard drive failure. A monitoring system, PQ Secure from Unipower AB, was installed and it could be determined that the UPS units,Continue reading “UPS Problem at Datacentre”
Modelling and Analysis of SA-SPV System with Bi-Directional Inverter for Lighting Load
Published by Mustafa Hussein Ibrahim1, Muhammed A Ibrahim2, Salam Ibrahim khather3, University of Mosul (1), Ninevah University (2,3) ORCID: 1. 0000-0002-9950-6524, 2. 0000-0003-4818-1245, 3. 0000-0002-9082-2360 Abstract. The standalone solar photovoltaic system (SA-SPV) is an appealing alternative for carrying out the electrification process in rural regions through packages in lots of countries. The photovoltaic systems areContinue reading “Modelling and Analysis of SA-SPV System with Bi-Directional Inverter for Lighting Load”
Example of Frequency Variations causing SlowScan Recording
Published by Jonny Carlsson, Unipower AB, Case Study: Example of Frequency Variations causing SlowScan Recording, Date: October 25th, 2011. http://www.unipower.se In the following examples a Unipower UP2210 Power Quality meter is measuring SlowScan events. The SlowScan trig level is set to 50Hz +- 0.15Hz with a recorder time of 120 seconds. Example 1:The voltage level isContinue reading “Example of Frequency Variations causing SlowScan Recording”
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