Published by Electrotek Concepts, Inc., PQSoft Case Study: Impact of Capacitor Bank Outrush Reactors on Circuit Breaker Transient Recovery Voltages, Document ID: PQS0906, Date: October 15, 2009. Abstract: Current limiting outrush reactors are often installed with utility transmission capacitor banks. These reactors limit the high-magnitude, high-frequency currents that flow when the capacitor bank discharges into aContinue reading “Impact of Capacitor Bank Outrush Reactors on Circuit Breaker Transient Recovery Voltages”
Tag Archives: Transients
Nuisance Tripping of Sensitive Customer Power Electronic Equipment
Published by Electrotek Concepts, Inc., PQSoft Case Study: Nuisance Tripping of Sensitive Customer Power Electronic Equipment, Document ID: PQS1011, Date: October 15, 2010. Abstract: This case study presents an investigation of nuisance tripping of sensitive customer power-electronic equipment during utility capacitor bank switching. The simulations for the analysis were completed using the PSCAD program. The powerContinue reading “Nuisance Tripping of Sensitive Customer Power Electronic Equipment”
General Reference – Utility Capacitor Switching – Common Waveforms
Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Utility Capacitor Switching – Common Waveforms, Document ID: PQS0707, Date: January 1, 2007. Abstract: The application of utility capacitor banks has long been accepted as a necessary step in the efficient design of utility power systems. Also, capacitor switching is generally considered a normal operationContinue reading “General Reference – Utility Capacitor Switching – Common Waveforms”
General Reference – Utility Capacitor Switching
Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Utility Capacitor Switching, Document ID: PQS0302, Date: January 10, 2003. Abstract: The application of utility capacitor banks has long been accepted as a necessary step in the efficient design of utility power systems. Also, capacitor switching is generally considered a normal operation for a utilityContinue reading “General Reference – Utility Capacitor Switching”
Distribution Transformers Protection Against High Frequency Switching Transients
Published by Dariusz SMUGAŁA1, Wojciech PIASECKI1, Magdalenia OSTROGORSKA1,Marek FLORKOWSKI1, Marek FULCZYK1, Paweł KŁYS2ABB Sp.z.o.o., Corporate Research Center, (1), ABB Sp.z.o.o., ABB Distribution Transformers, (2) Abstract. Distribution transformers protection method against high frequency transients generated during Vacuum Circuit Breaker (VCB) operations is presented in this paper. ATP/EMTP simulations of transients generated during the VCB operation andContinue reading “Distribution Transformers Protection Against High Frequency Switching Transients”
General Reference – Modeling for Transient Analysis
Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Modeling for Transient Analysis, Document ID: PQS0316, Date: July 18, 2003. Abstract: Transient voltage and currents are a result of sudden changes within the electric power system. Opening or closing of a switch or circuit breaker causes a change in circuit configuration and the associatedContinue reading “General Reference – Modeling for Transient Analysis”
Feeder Lightning Transients
Published by Electrotek Concepts, Inc., PQSoft Case Study: Feeder Lightning Transients, Document ID: PQS1101, Date: March 15, 2011. Abstract: Lightning strokes to exposed utility transmission or distribution circuits can inject a significant amount of energy into the power system in a very short time, causing deviations in voltages and currents which persist until the excess energyContinue reading “Feeder Lightning Transients”
Effect of Synchronous Closing Control on Capacitor Energizing Transients
Published by Electrotek Concepts, Inc., PQSoft Case Study: Effect of Synchronous Closing Control on Capacitor Energizing Transients, Document ID: PQS0903, Date: October 15, 2009. Abstract: The application of utility capacitor banks has long been accepted as a necessary step in the efficient design of utility power systems. In addition, capacitor switching is generally considered a normalContinue reading “Effect of Synchronous Closing Control on Capacitor Energizing Transients”
Distribution System Transient Measurement Data Evaluation
Published by Electrotek Concepts, Inc., PQSoft Case Study: Distribution System Transient Measurement Data Evaluation, Document ID: PQS1012, Date: October 15, 2010. Abstract: This case study presents a utility distribution system transient measurement data analysis. The distribution system included a number of feeders that supplied a mix of residential, commercial, and industrial customers. The causes of theContinue reading “Distribution System Transient Measurement Data Evaluation”
Evaluation of Capacitor Bank Switch Restrikes
Published by Electrotek Concepts, Inc., PQSoft Case Study: Evaluation of Capacitor Bank Switch Restrikes, Document ID: PQS0606, Date: April 1, 2006. Abstract: The analysis of high voltage capacitor switching consists primarily of measurements and computer simulations. There are a number of important transient related concerns when transmission and distribution voltage level capacitor banks are applied, includingContinue reading “Evaluation of Capacitor Bank Switch Restrikes”
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