Load Flow Analysis in Local Microgrid with Storage

Published by Vishnu SURESH, Dominika KACZOROWSKA, Przemyslaw JANIK, Jacek REZMER, Wroclaw University of Science and Technology Abstract. This paper deals with load flow analysis of local microgrid containing a stochastic renewable energy source and storage. The study is carried out using the Matpower toolbox with all relevant constraints considered regarding storage, power lines and otherContinue reading “Load Flow Analysis in Local Microgrid with Storage”

Electric Utility Harmonic Study Medium Voltage Filter Design

Published by Electrotek Concepts, Inc., PQSoft Case Study: Electric Utility Harmonic Study Medium Voltage Filter Design, Document ID: PQS0407, Date: September 30, 2004. Abstract: This particular utility was experiencing voltage distortion levels throughout their distribution network that were exceeding IEEE Std. 519 limits. One customer, a plastic extrusion plant, was experiencing blown fuses in their switchedContinue reading “Electric Utility Harmonic Study Medium Voltage Filter Design”

Introduction to Off-Grid and Hybrid EV Charging System Architectures

Published by Rakesh Kumar, EE Power – Technical Articles: Introduction to Off-Grid and Hybrid EV Charging System Architectures, December 05, 2022. Off-grid and Hybrid Charging Systems are important components of the electric vehicle ecosystem. Learn more about these architectures in this technical article. Electric Vehicle Charging Stations (EVCS) are the topic of the hour to caterContinue reading “Introduction to Off-Grid and Hybrid EV Charging System Architectures”

Analysis of Transformer Condition by Frequency and Time Methods

Published by Matej KUČERA1, Milan ŠEBOK1, Miroslav GUTTEN1, Daniel KORENČIAK1, Pawel ZUKOWSKI2, Tomasz KOLTUNOWICZ2, University of Zilina, Slovakia (1), Lublin University of Technology, Poland (2) Abstract. Article presents theoretical and experimental analyses of possible mechanical effect of short-circuit currents on the transformer winding by frequency and time methods. The first part of the paper isContinue reading “Analysis of Transformer Condition by Frequency and Time Methods”

Low Voltage Harmonic Filter Design

Published by Electrotek Concepts, Inc., PQSoft Case Study: Low Voltage Harmonic Filter Design, Document ID: PQS0304, Date: January 10, 2003. Abstract: The industrial harmonic problem can be solved using a comprehensive approach including site surveys, harmonic measurements, and computer simulations. When mitigation of harmonic distortion is required, one of the options is to apply a filterContinue reading “Low Voltage Harmonic Filter Design”

Solar-Wind Hybrid Power System Analysis Using Homer for Duhok, Iraq

Published by Mustafa Hussein Ibrahim1, Muhammed A Ibrahim2, University of Mosul (1), Ninevah University(2) Iraq. ORCID: 1. 0000-0002-9950-6524, 2. 0000-0003-4818-1245 Abstract. The government of Iraq recently joined the Paris Climate Agreement, it has now begun to encourage the participation of small and large consumers to generate electricity from renewable energy resources. This article analyses aContinue reading “Solar-Wind Hybrid Power System Analysis Using Homer for Duhok, Iraq”

Substation Resonance and Harmonic Filter Application

Published by Electrotek Concepts, Inc., PQSoft Case Study: Substation Resonance and Harmonic Filter Application, Document ID: PQS0702, Date: July 26 1, 2007. Abstract: A utility operates a 16.2 MVAr capacitor bank on a 24kV substation bus that supplies various customers that have significant amounts of nonlinear loads. The utility is investigating the possible conversion of theContinue reading “Substation Resonance and Harmonic Filter Application”

Low-Cost and Accuracy Smart Meter Prototype for Smart Grids

Published by 1. Rafael GIVANILDO, 2. Denis LIMA, 3. Paulo PARIS, 4. Emerson PEDRINODepartment of Computer Science, Federal University of Sao Carlos, Sao Carlos, Brazil ORCID: 1. 0000-0003-1372-6049, 2. 0000-0002-0457-2562, 3. 0000-0001-8915-8215, 4. 0000-0003-3734-3202 Abstract. This article aims to carry out a brief bibliographical review on the main concepts related to Smart Grid, in additionContinue reading “Low-Cost and Accuracy Smart Meter Prototype for Smart Grids”

Industrial Facility IEEE Std. 519 Compliance Evaluation

Published by Electrotek Concepts, Inc., PQSoft Case Study: Industrial Facility IEEE Std. 519 Compliance Evaluation, Document ID: PQS1015, Date: October 15, 2010. Abstract: This case study presents an industrial facility IEEE Std. 519 harmonic compliance evaluation. The analysis included frequency response and harmonic distortion simulations for a substation and a single industrial customer with a numberContinue reading “Industrial Facility IEEE Std. 519 Compliance Evaluation”

Regulation of Current Harmonics in Grid with Dead-beat Controlled Shunt Active Power Filter

Published by Parandhaman BALAMURUGAN1, Natarajan SENTHIL KUMAR1,Vellore Institute of Technology (1),Chennai, Tamilnadu, India Abstract. Hardware implementation of Shunt Active Power Filter (SAPF) to regulate harmonics in the grid current is presented in this work. Dead-beat controller is employed to regulate the harmonics injected by SAPF using Spartan-6 FPGA processor. The effectiveness of the control strategyContinue reading “Regulation of Current Harmonics in Grid with Dead-beat Controlled Shunt Active Power Filter”