Published by Adam RUSZCZYK1, Krzysztof KÓSKA1, Konrad JANISZ2ABB Corporate Research Centre, Poland (1), AGH University of Science and Technology, Poland (2) Abstract. This paper describes new concept of a switch dedicated for control of three-phase capacitor bank used for low voltage, reactive power compensation. The proposed device utilizes fully controlled IGBT transistors that gives possibilityContinue reading “Hybrid Switch for Capacitors Bank used in Reactive Power Compensation”
Tag Archives: Capacitor Bank
Main Effects of Harmonics in Electrical Installations
Published by Electrical Installation Wiki, Chapter M. Power harmonics management – Main effects of harmonics in electrical installations Effects of harmonics – Resonance The simultaneous use of capacitive and inductive devices in distribution networks may result in parallel or series resonance. The origin of the resonance is the very high or very low impedance values atContinue reading “Main Effects of Harmonics in Electrical Installations”
Power Factor Correction: Reactive Power Compensation Methods
Published by Ahmad Ezzeddine, EE Power – Technical Articles: Power Factor Correction: Reactive Power Compensation Methods, December 15, 2022. This article introduces power factor correction, why it is needed, and how to design it for the system. Increasing photovoltaic penetration tied to the grid has caused many problems for utility providers. One of the main problems is thatContinue reading “Power Factor Correction: Reactive Power Compensation Methods”
Industrial Harmonic Filter Design
Published by Electrotek Concepts, Inc., PQSoft Case Study: Industrial Harmonic Filter Design, Document ID: PQS0504, Date: June 30, 2005. Abstract: The industrial harmonic problem can be solved using a comprehensive approach including site surveys, harmonic measurements, and computer simulations. Simple calculations are used to determine the system resonant frequencies and then the preliminary model development isContinue reading “Industrial Harmonic Filter Design”
Concrete Facility Harmonic Evaluation ASD Drive Trips and Transformer Fires
Published by Electrotek Concepts, Inc., PQSoft Case Study: Concrete Facility Harmonic Evaluation ASD Drive Trips and Transformer Fires, Document ID: PQS0503, Date: March 31, 2005. Abstract: A Kiln ID fan drive (12 pulse rectifier) powers a 3000 HP medium voltage (4kV) motor. The associated harmonic filter periodically becomes overloaded and trips the corresponding 4kV breaker. TheContinue reading “Concrete Facility Harmonic Evaluation ASD Drive Trips and Transformer Fires”
Industrial Customer IEEE Std. 519 Compliance Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Industrial Customer IEEE Std. 519 Compliance Evaluation, Document ID: PQS1003, Date: March 15, 2010. Abstract: Utility power system harmonic problems can often be solved using a comprehensive approach including site surveys, harmonic measurements, and computer simulations. This case study presents the results for an industrial customer IEEE Std.Continue reading “Industrial Customer IEEE Std. 519 Compliance Evaluation”
Harmonic Resonance Evaluation for Feeder and Substation Capacitor Banks
Published by Electrotek Concepts, Inc., PQSoft Case Study: Harmonic Resonance Evaluation for Feeder and Substation Capacitor Banks, Document ID: PQS0706, Date: July 27, 2007. Abstract: A utility operates feeder and substation capacitor banks on a 25.56kV distribution feeder. The utility uses frequency scan simulations to determine the effect of distribution feeder and substation capacitor banks onContinue reading “Harmonic Resonance Evaluation for Feeder and Substation Capacitor Banks”
Effect of Distribution Feeder Loading on Harmonic Resonance
Published by Electrotek Concepts, Inc., PQSoft Case Study: Effect of Distribution Feeder Loading on Harmonic Resonance, Document ID: PQS0703, Date: July 26, 2007. Abstract: A utility operates 1200 kVAr and 600 kVAr capacitor banks on a 25.56kV distribution feeder. The utility uses frequency scan simulations to determine the effect of the capacitor banks and seasonal loadContinue reading “Effect of Distribution Feeder Loading on Harmonic Resonance”
Distribution System Harmonic Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution System Harmonic Evaluation, Document ID: PQS1013, Date: October 15, 2010. Abstract: This case study presents a utility distribution system harmonic analysis evaluation. The simulations were completed using the SuperHarm program. The analysis included frequency response and harmonic distortion simulations for a 13.2 kV substation and several industrialContinue reading “Distribution System Harmonic Evaluation”
Distribution Substation Capacitor Bank Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution Substation Capacitor Bank Evaluation, Document ID: PQS1014, Date: October 15, 2010. Abstract: This case study presents a utility distribution substation capacitor bank harmonic analysis. The simulations were completed using the SuperHarm program. The investigation included frequency response and harmonic distortion simulations for a utility substation that includedContinue reading “Distribution Substation Capacitor Bank Evaluation”
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