VPN-Based Monitoring Power System Facilities

Published by Petro Baran1, Yuriy Varetsky1,2, Viktor Kidyba1, Yaroslava Pryshliak1, Іgor Sabadash1, Oleksandr Franchuk3, Lviv Polytechnic National University (1), AGH University of Science and Technology (2), Institute of Microprocessor Control Systems for Power System Objects, Lviv, Ukraine (3), Abstract. Power system substations are usually controlled from a central control point using various telemechanical systems. AtContinue reading “VPN-Based Monitoring Power System Facilities”

The Influence of Radiators Construction on Vibroacoustic Measurement of a Power Transformer

Published by Szymon BANASZAK1, Eugeniusz KORNATOWSKI2, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Katedra Elektrotechnologii i Diagnostyki (1), Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Katedra Przetwarzania Sygnałów i Inżynierii Multimedialnej (2) Abstract. The paper presents an example of transformer tested with complementary tests methods: Frequency Response Analysis and Vibroacoustic Measurement. Methods applied together allow for higher quality ofContinue reading “The Influence of Radiators Construction on Vibroacoustic Measurement of a Power Transformer”

Polish Hydropower Resources and Example of their Utilization

Published by Józef PASKA, Karol PAWLAK, Pola RONKIEWICZ, Paweł TERLIKOWSKI and Jan WOJCIECHOWSKI*Warsaw University of Technology, Institute of Electrical Power Engineering, Poland Abstract: This paper presents the analysis of Polish rivers’ potential to be employed in the construction of new electricity sources. On the basis of the hydrological data obtained in a number of years,Continue reading “Polish Hydropower Resources and Example of their Utilization”

The Effect of Cable Duct Diameter on the Ampacity of High-Voltage Power Cables

Published by Filip RATKOWSKI1,2, Michał KOŁTUN2, Stanislaw CZAPP1, Gdańsk University of Technology (1), Eltel Networks Energetyka SA (2). ORCID: 1. 0000-0002-4698-9729, 3. 0000-0002-1341-8276 Abstract. The ampacity of power cables depends, among others, on the conditions of heat dissipation from the cable to the environment. Cables are usually laid directly in the ground, but in someContinue reading “The Effect of Cable Duct Diameter on the Ampacity of High-Voltage Power Cables”

Data-Driven Fault Detection and Diagnosis for Centralised Chilled Water Air Conditioning System

Published by Noor Asyikin SULAIMAN1, Kai Wern CHUINK1, Muhammad Noorazlan Shah ZAINUDIN1, Azdiana Md YUSOP1, Siti Fatimah SULAIMAN1, Md Pauzi ABDULLAH2, Centre for Telecommunication Research & Innovation (CeTRI), Fakulti Kejuruteraan Elektronik dan Kejuruteraan Komputer (FKEKK), Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya, 76100, Durian Tunggal, Melaka, Malaysia (1), Centre of Electrical Energy Systems (CEES),Continue reading “Data-Driven Fault Detection and Diagnosis for Centralised Chilled Water Air Conditioning System”

Impact of Harmonic Current on Energy Meter Calibration

Published by Shannon Edwards, Dave Bobick, and Steven Weinzierl, Radian Research, Inc.Speaker: Steven Weinzierl, Radian Research, Inc., 3852 Fortune Drive, Lafayette, IN, 47905,USA, Tel: (765) 449-5548, Email: stevew@radianresearch.com Abstract: This paper compares and contrasts different methods to quantify VAR for single and polyphase energy meters. The results for the different methods will be compared inContinue reading “Impact of Harmonic Current on Energy Meter Calibration”

Comparing Harmonics Mitigation Techniques

Published by Jonas Persson Comsys AB Fältspatvägen 4, SE-224 78 Lund, Sweden. jonas.persson@comsy, Comparing Harmonics Mitigation Techniques – Revision 3 – 2014-04-08 Abstract— the document at hand compares harmonic mitigation techniques in a range of applications and settings. Theoretical and practical comparisons are made between active and passive series and shunt filters. The overall contextContinue reading “Comparing Harmonics Mitigation Techniques”

Managing Electricity Consumption for Household Sector in Indonesia

Published by Yusri Syam AKIL, Wardi, Zaenab MUSLIMIN, Kifayah AMAR, Hasanuddin University, Indonesia Abstract. This study has focus to investigate a number of aspects that influencing electricity consumption for urban household in Indonesia. For this purpose, a questionnaire is developed to get primary data from two cities, namely Makassar and Yogyakarta. The collected data areContinue reading “Managing Electricity Consumption for Household Sector in Indonesia”

Case Studies: Reactive Compensation and Harmonic Suppression – Line Voltage Regulator/Harmonic Power Conditioner

Published by M. Safiuddin, University at Buffalo, The State University of New York | SUNY Buffalo · Department of Electrical Engineering BE(Elec), MS, MBA, Ph.D Abstract: This case study covers development of a single-phase, integrated, line voltage regulator and harmonics power conditioner for small capacity standby or mobile generators, supplying nonlinear loads, such as thoseContinue reading “Case Studies: Reactive Compensation and Harmonic Suppression – Line Voltage Regulator/Harmonic Power Conditioner”

Impedance Models of Multi-Circuit Multi-Voltage Overhead Power Lines

Published by Henryk KOCOT1, Agnieszka DZIENDZIEL1,2, Silesian University of Technology, Institute of Power Engineering and Control Systems (1), PSE Innovations (2) Abstract. The paper discusses aspects related to the modeling of multi-circuit overhead power lines (HV, EHV), in particular their zero models. The article presents a mathematical model of two-voltage three-circuit overhead line in powerContinue reading “Impedance Models of Multi-Circuit Multi-Voltage Overhead Power Lines”