Published by 1. Dominik DUDA, 2. Krzysztof MAŹNIEWSKI, 3. Bernard WITEK, Silesian University of Technology, Faculty of Electrical Engineering, Department of Power System and ControlORCID: 1. 0000-0003-3247-2814; 2. 0000-0003-4357-6432, 3. 0000-0001-6732-9298 Abstract. Selected problems occurring in distance protection systems during earth faults in high voltage overhead cable lines (HV) were analyzed. The Alternative Transients ProgramContinue reading “Distance Protection Operation During Earth-Faults in High Voltage Networks with Cable Inserts”
Tag Archives: Fault Location
PQ Secure
Published by Unipower AB, Metallgatan 4C, 44132 Alingsås, Sweden. Email: info@unipower.se PQ Secure – Power Quality Management System The quality of your power is extremely important as disturbances or short outages can cause major problems for your equipment and systems. We have created a Power Quality Management System that will assist you in monitoring your systemContinue reading “PQ Secure”
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”
Upstream Frequency Disturbance
Published by Unipower AB, Metallgatan 4C, 44132 Alingsås, Sweden. Email: info@unipower.se We have received questions about disturbances in the grid. Do we have any examples? Here is an interesting example showing how disturbances spread through the network. A major frequency disturbance occured in Scandinavia on December 1, 2005. In this comparison we have compared measuring dataContinue reading “Upstream Frequency Disturbance”
Impact of Ambient Temperature on the Failure Intensity of Overhead MV Power Lines
Published by Andrzej Ł. Chojnacki, Kielce University of Technology, Department of Power EngineeringORCID: 0000-0002-9227-7538 Abstract. The article presents the influence of weather conditions, represented by the ambient temperature, for the intensity of the failure of MV overhead power lines. It presents the mechanisms of damaging the equipment by the high and low temperatures. It showsContinue reading “Impact of Ambient Temperature on the Failure Intensity of Overhead MV Power Lines”
Eccentricity Fault Identification in Round Rotor Synchronous Motors considering Load Variation
Published by Bashir Mahdi EBRAHIMI1, Jawad FAIZ1, Mohammad ETEMADREZAIE2, Mojtaba BABAIE3, Center of Excellence on Applied Electromagnetic Systems, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran(1), Department of electrical and computer engineering, Delft, Zuid-holland, Netherlands(2), Faculty of Engineering, Science and Research Campus, Islamic Azad University, Tehran, Iran(3) Abstract. Impacts of load variationContinue reading “Eccentricity Fault Identification in Round Rotor Synchronous Motors considering Load Variation”
Frequency Resolution Improvements in Induction Motor Fault Diagnosis : Experimental Validation
Published by Ameur Fethi AIMER1, Ahmed Hamida BOUDINAR2, Mohamed Amine KHODJA2, Azeddine BENDIABDELLAH2, University of Saida. Algeria (1), University of Sciences and Technology of Oran. Algeria (2) ORCID: 1. 0000-0003-4933-109X Abstract. Induction machines are enjoying growing interest mainly due to their robustness, their weight to power ratio and their manufacturing cost. However, several faults affectContinue reading “Frequency Resolution Improvements in Induction Motor Fault Diagnosis : Experimental Validation”
Intelligent Fault Location Algorithms for Distributed Generation Distribution Networks: A Review
Published by 1. Diego GIRAL-RAMÍREZ1, 2. Cesar HERNÁNDEZ-SUAREZ1, 3. José CORTES-TORRES2,Universidad Distrital Francisco José de Caldas, Bogotá, Colombia (1)Universidad Industrial de Santander, Bucaramanga, Colombia (2)ORCID: 1. 0000-0001-9983-4555, 2. 0000-0002-7974-5560, 3. 0000-0001-9232-6785 Abstract. Distributed Generation (DG) is a small-scale technology linked to consumers through the distribution system and has a high potential for technical, economic, andContinue reading “Intelligent Fault Location Algorithms for Distributed Generation Distribution Networks: A Review”
Analysis of Development Directions of Online Diagnostics of Synchronous Generator
Published by Olena RUBANENKO1, Sree Lakshmi GUNDEBOMMU2, Iryna HUNKO3, Zdenek PEROUTKA1, Regional Innovational Center at the Faculty of Electrical Engineering University of West Bohemia (1), Plzen, Czech Republic CVR College of Engineering Mangalpalli (2), Hyderabad, India Vinnytsia National Technical University (3), Vinnytsia, Ukraine Abstract. In this paper the analysis of online diagnostics of synchronous generationsContinue reading “Analysis of Development Directions of Online Diagnostics of Synchronous Generator”
Review of Machine Learning Applications to Power Systems Studies
Published by Omorogiuwa Eseosa and Ashiathah Ikposhi, Electrical/Electronic Engineering, Faculty of Engineering University of Port Harcourt, Rivers State, Nigeria. Abstract – The complexity of electric power networks from generation, transmission and distribution stations in modern times has resulted to generation of big and more complex data that requires more technical and mathematical analysis because itContinue reading “Review of Machine Learning Applications to Power Systems Studies”
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