Higher Harmonics Filtration in the Power Supply System of Thyristor Hoisting Machine of Shaft Transport in a Mining Plant

Published by Marian HYLA, Silesian University of Technology, Department of Power Electronics, Electrical Drives and Robotics. ORCID: 0000-0001-6466-7398 Abstract. The paper presents the issues of the influence on the supply electrical power grid of the thyristor rectifier supplying high power receivers such as a shaft hoisting machines in mining. The current distortion influence of theContinue reading “Higher Harmonics Filtration in the Power Supply System of Thyristor Hoisting Machine of Shaft Transport in a Mining Plant”

Improvement of Voltage Stability in the HV Distribution Line using an Active Power Filter

Published by Julian WOSIK1, Marcin HABRYCH2, Bogdan MIEDZIŃSKI2, Grzegorz DEBITA3, Andrzej FIRLIT4, Institute of Innovative Technologies EMAG (1), Wroclaw University of Science and Technology (2), General Tadeusz Kosciuszko Military University of Land Forces (3), AGH University of Science and Technology (4) Abstract. The article explains the reason of a voltage instability in distribution networks basingContinue reading “Improvement of Voltage Stability in the HV Distribution Line using an Active Power Filter”

ADALINE Harmonics Extraction Algorithm applied to a Shunt Active Power Filter based on an Adaptive Fuzzy Hysteresis Current Control and a Fuzzy DC Voltage Controller

Published by Noureddine KHENFAR, Abdelhafid SEMMAH, Mohamed KADEM, Djillali Liabes University of Sidi Bel Abbes, Algeria. Abstract. This paper deals with the use of an adaptive linear (ADALINE) neural network in a harmonic extraction algorithm based on the calculation of instantaneous active and reactive powers. This technique, called “ANN-PQ”, is developed in order to achieveContinue reading “ADALINE Harmonics Extraction Algorithm applied to a Shunt Active Power Filter based on an Adaptive Fuzzy Hysteresis Current Control and a Fuzzy DC Voltage Controller”

Clean Power for Office Towers

Published by Raghavan Venkatesh, EE Power – Technical Articles: Clean Power for Office Towers, April 12, 2018. This article features EPCOS AG product PQSine S series designed for 3-phase grids with or without neutral conductors and enables harmonics to be filtered. The complex power networks of skyscrapers and other modern buildings must serve a wide rangeContinue reading “Clean Power for Office Towers”

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”

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”

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”

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”

Harmonic Mitigation Using Phase-shifting Transformers and Harmonic Filters

Published by Alex Roderick, EE Power – Technical Articles: Harmonic Mitigation Using Phase-shifting Transformers and Harmonic Filters, May 21, 2021. Learn about how minimise the presence of harmonics in an electrical system with harmonic transformers and filters. Three-phase loads do not generate triplen harmonics. Therefore, harmonic problems in situations where 3-phase loads dominate are primarily fromContinue reading “Harmonic Mitigation Using Phase-shifting Transformers and Harmonic Filters”

Designing a Passive Filter for Reducing Harmonic Distortion in the Hybrid Micro-grid Including Wind Turbine, Solar Cell and Nonlinear Load

Published by Ali BAGHERI, Mohsen ALIZADEH, Department of Electrical Engineering, Yadegar -e- Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran Abstract. One of the most important indices of power quality in distribution grids is the harmonic distortion, which can affect the reliability of the micro-grid. On the other hand, the growth ofContinue reading “Designing a Passive Filter for Reducing Harmonic Distortion in the Hybrid Micro-grid Including Wind Turbine, Solar Cell and Nonlinear Load”