Published by Electrotek Concepts, Inc., PQSoft Case Study: Harmonic Current Cancellation Evaluation, Document ID: PQS1002, 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 a customer step-down transformer harmonic current cancellation evaluation.Continue reading “Harmonic Current Cancellation Evaluation”
Category Archives: Case Studies
Impact of SMES Unit on DC-Link Voltage of DFIG during Various Types and Level of Faults
Published by A. M. Shiddiq YUNUS1, Makmur SAINI1, Ahmed Abu-SIADA2, Mohammad A.S. MASOUM3, State Polytechnic of Ujung Pandang (1), IndonesiaCurtin University (2), AustraliaUtah Valley University(3), USA Abstract. Wind energy becomes a popular source for renewable energy based power plants since a recent decade ago. Within many types of wind turbine generator (WTG), Doubly Fed InductionContinue reading “Impact of SMES Unit on DC-Link Voltage of DFIG during Various Types and Level of Faults”
Experimental Solar-Based Charging Station for Electric Vehicles
Published by Désiré D. RASOLOMAMPIONONA2, François MAEGHT1, Pierre-Yves CRESSON1,Patrick FAVIER1, I.U.T. de Béthune, Université d’Artois (1), Institute of Electric Power Engineering, Warsaw University of Technology (2) Abstract. For a few years the need of research completion on renewable energy allows the installation of several student projects at the University. A group of co-operating foreign studentsContinue reading “Experimental Solar-Based Charging Station for Electric Vehicles”
Some Aspects of the Growing Penetration of Wind Energy in the Polish Power System
Published by Tadeusz SKOCZKOWSKI1, Maksymilian KOCHAŃSKI1,2, Warsaw University of Technology (1), Research and Innovation Centre Pro-Akademia (2) Abstract. According to the Energy Policy of Poland by 2030 the national power system will have to acquire 12 times more electricity from wind energy than in 2011. This challenging policy goal entails a number of significant consequences.Continue reading “Some Aspects of the Growing Penetration of Wind Energy in the Polish Power System”
General Reference – Modeling for Harmonic Analysis
Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Modeling for Harmonic Analysis, Document ID: PQS0303, Date: January 10, 2003. Abstract: Harmonics have existed on electric power systems for many years. Recently, however, much more attention has been given to monitoring and analyzing the presence and effects of harmonics on utility and customer devicesContinue reading “General Reference – Modeling for Harmonic Analysis”
Detecting Power Systems Failure based on Fuzzy Rule in Power Grid
Published by Suren DRAN. R1, Parvatha VARTHINI. B2, Research Scholar, Department of Information Technology, Sathyabama University, Chennai, Tamilnadu, India (1), Professor & Head, Department of Computer Applications, St. Joseph’s College of Engineering, Chennai, Tamilnadu, India (2) Abstract. Load balancing is an important feature that keeps the power system safe from overloading. Load details can beContinue reading “Detecting Power Systems Failure based on Fuzzy Rule in Power Grid”
Experiment and Analysis of High Power Line-Start PM Motor
Published by Qinfen LU, Xiaoyan HUANG, Yunyue YE, Youtong FANG, Zhejiang University Abstract. This paper investigates the performance of a high power line-start permanent-magnet motor (LSPM) by experiment, which is developed for industrial fans, pumps and compressors to reduce the energy consumption. The no-load back-EMF is measured and compared with predicted result of FEM. InContinue reading “Experiment and Analysis of High Power Line-Start PM Motor”
Harmonic Evaluation at an Industrial Facility
Published by Electrotek Concepts, Inc., PQSoft Case Study: Harmonic Evaluation at an Industrial Facility, Document ID: PQS0502, Date: March 31, 2005. Abstract: A harmonic evaluation was performed at the plastic film manufacturer’s facility. The goals of the evaluation were to develop a solution to mitigate the harmonic voltage distortion caused by the ac and dc adjustableContinue reading “Harmonic Evaluation at an Industrial Facility”
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”
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