Published by Wojciech MATELSKI1, Electrotechnical Institute, Warsaw Abstract. The article describes a practical implementation of the induction motor (IM) drive system powered from photovoltaic (PV) panels. The system incorporates an energy storage device, in form of a supercapacitor bank, and enables an AC grid connection. Two system concepts are considered, thus a discussion about theContinue reading “IM Drive System Supplied from PV Panels with Energy Storage – Experimental Setup”
Author Archives: PQBlog
EMC in IoT World
Published by Marek P. MICHALAK1, Monika E. SZAFRAŃSKA2, National Institute of Telecommunications (1), Wroclaw University of Science and Technology (2) Abstract. The Internet of Things (IoT) is fast growing part of the market that becomes one of the biggest challenges of contemporary and future electromagnetic compatibility researches. The paper presents discussion on the subject ofContinue reading “EMC in IoT World”
An Overview of Energy Storage Systems and Their Applications
Published by Pietro Tumino, EE Power – Technical Articles: An Overview of Energy Storage Systems and Their Applications, September 18, 2020. This article will describe the main applications of energy storage systems and the benefits of each application. The continuous growth of renewable energy sources (RES) had drastically changed the paradigm of large, centralized electric energyContinue reading “An Overview of Energy Storage Systems and Their Applications”
A Current Spectrum-Based Algorithm for Fault Detection of Electrical Machines Using Low-Power Data Acquisition Devices
Published by Bilal Asad 1,2,* , Hadi Ashraf Raja 2 , Toomas Vaimann 2 , Ants Kallaste 2 , Raimondas Pomarnacki 3 and Van Khang Hyunh 4 Abstract: An algorithm to improve the resolution of the frequency spectrum by detecting the number of complete cycles, removing any fractional components of the signal, signal discontinuities, andContinue reading “A Current Spectrum-Based Algorithm for Fault Detection of Electrical Machines Using Low-Power Data Acquisition Devices”
Estimation of Solar Energy Availability in Maha Sarakham, Thailand
Published by Chokkuea W1, Pattanasethanon S2, Suwapaet N3 and Saengprajak A4, Mahasarakham University Abstract. Availability of solar energy is crucial for most technological solar applications. The objective of this study is to predict monthly average and global solar radiation patterns on Maha Sarakham horizontal surface of Thailand. Two correlation equations have been successfully developed, oneContinue reading “Estimation of Solar Energy Availability in Maha Sarakham, Thailand”
Understanding the Interaction between Lightning and Power Transmission Lines
Published by Lorenzo Mari, EE Power – Technical Articles: Understanding the Interaction between Lightning and Power Transmission Lines, November 21, 2020. Learn about the impact lightning strikes have on transmission lines and proper grounding’s role in lowering the chances of irreversible damage to a power system. Lightning disturbances are usually a significant issue for transmissionContinue reading “Understanding the Interaction between Lightning and Power Transmission Lines”
AC Ground Faults, the Boater, and ABYC—Understanding Equipment Leakage Circuit Interrupters (ELCIs) and Ground Fault Circuit Interrupters (GFCIs) to make your boat safer.
Published by Blue Sea Systems Inc., website: http://www.bluesea.com There are two potential failures in a boat’s electrical system that can put people on or around the boat at risk of lethal electric shock. Understanding Equipment Leakage Circuit Interrupters (ELCIs) and Ground Fault Circuit Interrupters (GFCIs) to make your boat safer. In a properly functioning marineContinue reading “AC Ground Faults, the Boater, and ABYC—Understanding Equipment Leakage Circuit Interrupters (ELCIs) and Ground Fault Circuit Interrupters (GFCIs) to make your boat safer.”
A Review of Techniques for Optimal Placement and Sizing of Electric Vehicle Charging Stations
Published by Md. Mainul ISLAM1, Hussain SHAREEF2, Azah MOHAMED1 Universiti Kebangsaan Malaysia (1), TNB Research Sdn. Bhd (2) Abstract. Fossil fuel depletion and greenhouse gas emission from the burning of fossil fuels motivates policymakers to find an alternative road transport system. Electric vehicles (EVs) are considered as one of the best solutions in road transportationContinue reading “A Review of Techniques for Optimal Placement and Sizing of Electric Vehicle Charging Stations”
The Quality of Electric Power Supplied into the Grid by Co-Generation Units
Published by Jiri JANSA, Petr MOLDRIK, Daniel MINARIK, VSB – Technical University of Ostrava Abstract. This paper deals with the utilisation of firedamp for combined heat and electric power generation. The firedamp is gained from hard-coal mines and can be combusted in a co-generation units with gas-engine. This process involves more efficient utilisation of firedamp.Continue reading “The Quality of Electric Power Supplied into the Grid by Co-Generation Units”
Case Studies on Ground-Fault Protection of Microgrid Power Systems with Diverse Power Sources
Published by Dirk Danninger IEEE Member Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163, USAScott Manson Senior Member, IEEE Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163, USAFernando Calero IEEE Member Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163, USACeeman Vellaithurai Senior Member, IEEE Schweitzer EngineeringContinue reading “Case Studies on Ground-Fault Protection of Microgrid Power Systems with Diverse Power Sources”
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