Bridges to Nowhere: Poor Power Quality Prevents Growth

Published by Civian Kiki Massa and Jay Taneja STIMA Lab, University of Massachusetts, Amherst, USA July 2023 Summary: Access to electricity continues to expand worldwide, but even where people are connected to the power grid, they often face challenges including frequent power outages and, less visibly, intermittent periods where electricity is available but only withContinue reading “Bridges to Nowhere: Poor Power Quality Prevents Growth”

High Efficiency Flywheel Motor Generator Model with Frequency Converter Controlled

Published by 1. M.S. ALI 1,2, 2. Mahidur R SARKER 3, 3. Ahmad ASRUL IBRAHIM 1, 4. Ramizi MOHAMED1, 1Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia; 2Electrical Engineering Department, German-Malaysian Institute , Jalan Ilmiah, Taman Universiti,43000, Kajang, Selangor, Malaysia; 3Institute of IR 4.0, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor,Continue reading “High Efficiency Flywheel Motor Generator Model with Frequency Converter Controlled”

An Analysis of Remote Voltage Measurement in the Medium Voltage Cable Networks

Published by 1. Jacek KOZYRA1, 2. Zbigniew ŁUKASIK1, 3. Aldona KUŚMIŃSKA-FIJAŁKOWSKA1, 4. Paweł KASZUBA2, Kazimierz Pulaski University of Technology and Humanities in Radom, (1), Volta Instalacje (2) ORCID: 1. 0000-0002-6660-6713, 2. 0000-0002-7403-8760, 3. 0000-0002-9466-1031, 4. 0000-0003-1120-5901 Abstract. Due to changes occurring both in industrial area and in private consumers, availability of modern electric and electronicContinue reading “An Analysis of Remote Voltage Measurement in the Medium Voltage Cable Networks”

Analysis of the Impact of Wind Turbine Power Characteristics on the Amount of Generated Energy

Published by Damian GŁUCHY1, Grzegorz TRZMIEL2, Poznan University of TechnologyORCID: 1. 0000-0003-2725-2614; 2. 0000-0002-3622-8889 Abstract. In the following article the impact of power characteristics of wind turbines on the total amount of generated power is introduced. The review of scientific literature suggested the need of further analysis of this issue. In order to do so,Continue reading “Analysis of the Impact of Wind Turbine Power Characteristics on the Amount of Generated Energy”

A Photovoltaic System Maximum Power Point Tracking by using Artificial Neural Network

Published by KARRI HEMANTH KUMAR1, GADI VENKATA SIVA KRISHNA RAO2, Department of Electrical Engineering, Andhra university college of Engineering (A), Andhra university, Vishakhapatnam, India. ORCID: 1. 0000-0001-6198-999X. ORCID: 2. 0000-0003-4314-4816 Abstract: The electrical energy from the sun can be extracted using solar photovoltaic (PV) modules. This energy can be maximized if the connected load resistanceContinue reading “A Photovoltaic System Maximum Power Point Tracking by using Artificial Neural Network”

Mini Hydro Power Plant Connected to 20 kV Network as a Replacement of Diesel Power Plant

Published by Ikhlas KITTA1, Salama MANJANG1, Ida RACHMANIAR1, Wahyu SANTOSO1, Makmur SAINI2, Hasanuddin University (1), State Polytechnic of Ujung Pandang (2), Indonesia Abstract. Renewable energy power plants such as Mini Hydro Power Plants are currently being developed in Indonesia to fulfill electrical energy. Generally, the location of the Mini Hydro Power Plant (MHPP) far fromContinue reading “Mini Hydro Power Plant Connected to 20 kV Network as a Replacement of Diesel Power Plant”

Stand-alone Hybrid System for Extracting Maximum Power and Constant Voltage under Load Variation

Published by Hana’ A. Rabab’ah 1, Yaser N. Anagreh2, Al-Ahliyya Amman University (1), Yarmouk University (2) ORCID: 1. 0000-0002-1581-7721; 2. 0000-0002-3826-9262 Abstract. This paper presents an integrated stand-alone wind / Photovoltaic (PV) system enhanced with storage system and the required controllers. The proposed scheme concerned with maximum electrical power extracting from the two renewable energyContinue reading “Stand-alone Hybrid System for Extracting Maximum Power and Constant Voltage under Load Variation”

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”