Published by SARAGADAM HEMANTH KUMAR, SH SURESH KUMAR BUDI, Dept. of EEE, Gokul Group of Institutions, Piridi, Bobbili, AP, India. Abstract: Voltage sag is one of the most common power quality disturbances in electrical networks. Voltage sags are incidents that reduce the voltage amplitude for a short time. Voltage Sags are caused by abrupt increasesContinue reading “Novel Fault Current Limiter for Voltage Sag Compensation of Point of Common Coupling”
Author Archives: PQBlog
A Case Study of Sharing the Harmonic Voltage Distortion Responsibility between the Utility and the Consumer
Published by F. H. Costa, I. N. Santos, S. F. P. Silva and J. C. de Oliveira, Group of Power Quality Faculty of Electrical Engineering Federal University of Uberlandia Campus Santa Monica – Av. João Naves de Ávila, 2100 Uberlandia (Brazil). Phone/Fax number:+55 (34) 3239-4733, e-mail: fernandahein@hotmail.com, ivan.ufu@gmail.com, sergio@qes.com.br, jcoliveira@ufu.br Abstract. The aim of thisContinue reading “A Case Study of Sharing the Harmonic Voltage Distortion Responsibility between the Utility and the Consumer”
Semi-Analytic Calculations of Overvoltages caused by Direct Lightning Strike in Buried Coaxial Cable
Published by Karol ANISEROWICZ, Renata MARKOWSKA, Bialystok University of Technology Abstract. Results of calculations of overvoltages caused by a direct lightning strike to an underground coaxial cable are presented. Analytic formulas are used in the frequency domain. The time-domain waveforms are computed using the Inverse Discrete Fourier Transform (IDFT). Streszczenie. Przedstawiono wyniki obliczeń przepięć spowodowanychContinue reading “Semi-Analytic Calculations of Overvoltages caused by Direct Lightning Strike in Buried Coaxial Cable”
Three-phase Four-wire Circuits Interpretation by Means of Different Power Theories
Published by Fernando P. MARAFÃO1, Eduardo V. LIBERADO1, Helmo K. M. PAREDES2, Luiz C. P. da SILVA2, Unesp – Univ Estadual Paulista (1), University of Campinas (2) Abstract. In order to contribute to the discussion of defining a generalized power theory, valid for unbalanced and non linear circuits, this paper discusses the relationship and discrepanciesContinue reading “Three-phase Four-wire Circuits Interpretation by Means of Different Power Theories”
Power System Harmonics
Published by Olutayo Ogunyemi, School of Science and Engineering, Atlantic International University, Honolulu, HI. Abstract – Good power quality is essential in electrical power network. Power quality is not limited to availability of supply but also include steady frequency value and voltage magnitude and smooth waveform characteristics of the supply (Ogheneovo Johnson, 2016).The present situationContinue reading “Power System Harmonics”
A Review of Harmonics Detection and Measurement in Power System
Published by 1. Dnyaneshwar D. Ahire, Professor, Matoshri College of Engineering and Research Centre, Nashik Savitribai Phule Pune University, Nashik, Maharashtra, India.2. Snehal R. Durdhavale Student, Matoshri College of Engineering and Research Centre, Nashik Savitribai Phule Pune University, Nashik, Maharashtra, India. ABSTRACT – A load is said to be “linear” when it draws a currentContinue reading “A Review of Harmonics Detection and Measurement in Power System”
Assessment of Flange Diffuser Structures to Improve the Power Generation of a Diffuser Augmented Wind Turbine
Published by 1. Yiyin KLISTAFANI, 2. A. M. Shiddiq YUNUS, 3. Muhammad ANSHAR, 4. Sri SUWASTI, State Polytechnic of Ujung Pandang, Indonesia (1) ORCID: 1. 0000-0003-3064-9612; 2. 0000-0002-9599-6941; 3. 0000-0001-5687-5023; 4. 0000-0002-7070-9651 Abstract. Wind energy has become the most popular renewable based power plant for the last decades due to its environment benighted and largeContinue reading “Assessment of Flange Diffuser Structures to Improve the Power Generation of a Diffuser Augmented Wind Turbine”
A New Technique to Detect Harmonic Sources in Polluted Power Systems
Published by Pietro Vincenzo Barbaro, Antonio Cataliotti, Valentina Cosentino, Salvatore Nuccio, Dipartimento di Ingegneria Elettrica, Elettronica e delle Telecomunicazioni, Università di Palermo, Palermo, Italy. E-mails: barbaro@diepa.unipa.it, acataliotti@ieee.org, cosentino@diepa.unipa.it, nuccio@unipa.it Abstract: This paper presents a comparative analysis among different nonactive power quantities proposed in literature in nonsinusoidal conditions; with respect to this, a new single-point approachContinue reading “A New Technique to Detect Harmonic Sources in Polluted Power Systems”
Elspec becomes PQSynergy™ & Power Quality Blog Sponsor
We are pleased to announce that Elspec was a Sponsor for PQSynergyTM International and Conference Exhibition 2024 and Power Quality Blog. It is a privilege to be supported by Elspec. We are grateful to the Elspec team. Elspec is a leading global provider of advanced power quality analyzers, power quality solutions and power monitoring software.Continue reading “Elspec becomes PQSynergy™ & Power Quality Blog Sponsor”
Validation of Aperiodic and Oscillatory Stability Calculations in a Practical Power Systems
Published by Igor Razzhivin, Aleksey Suvorov, Mikhail Andreev, Aleksandr Gusev, Tomsk Polytechnic University Abstract. The stability of electric power systems is one of its most important properties. This article discusses small-disturbance rotor angle stability: aperiodic and oscillatory. The authors consider, typically for stability analysis, the numerical integration methods by modeling in known numerous digital softwareContinue reading “Validation of Aperiodic and Oscillatory Stability Calculations in a Practical Power Systems”
Power Quality Blog 