Practical Case Study: Measurement of Power Quality Problems Caused by Common New Loads

Published by M.Sc Marko Pikkarainen, M.Sc Pekka Nevalainen, Dr. Pertti Pakonen, Prof. Pekka Verho, Tampere University of Technology, marko.pikkarainen@tut.fi ABSTRACT Two matters have strongly affected use of energy in Finland during recent years. The one is the greenhouse effect and the other is the energy price which has risen. These points have brought to theContinue reading “Practical Case Study: Measurement of Power Quality Problems Caused by Common New Loads”

Electric Arc Furnace Flicker and Harmonic Control

Published by Electrotek Concepts, Inc., PQSoft Case Study: Electric Arc Furnace Flicker and Harmonic Control, Document ID: PQS0314, Date: April 16, 2003. Abstract: A steel manufacturer plans to construct an electric arc furnace-based steel making facility using a thin slab casting machine directly coupled to a hot strip rolling mill. The planned melt shop contains twoContinue reading “Electric Arc Furnace Flicker and Harmonic Control”

Electric Arc Furnace Modeling for Voltage Flicker Evaluation

Published by Electrotek Concepts, Inc., PQSoft Case Study: Electric Arc Furnace Modeling for Voltage Flicker Evaluation, Document ID: PQS0313, Date: April 16, 2003. Abstract: A steel manufacturer is planning to add a second arc furnace to their existing facility. Concerns are raised as to whether the additional furnace will cause levels of voltage flicker that mightContinue reading “Electric Arc Furnace Modeling for Voltage Flicker Evaluation”

Wind Plant Voltage Flicker Data Analysis

Published by Electrotek Concepts, Inc., PQSoft Case Study: Wind Plant Voltage Flicker Data Analysis, Document ID: PQS1202, Date: January 26, 2012. Abstract: This case study presents the results for a wind plant voltage flicker data analysis. The characteristics of voltage flicker are mainly determined by load characteristics and the short-circuit capacity. The wind plant substationContinue reading “Wind Plant Voltage Flicker Data Analysis”

Power Quality Problems

Published by CEA Technologies Inc. (CEATI), POWER QUALITY Energy Efficiency Reference Guide, Chapter 3 – Power Quality Problems. 3.1 How Power Quality Problems Develop Three elements are needed to produce a problematic power line disturbance: A source A coupling channel A receptor If a receptor that is adversely affected by a power line deviation isContinue reading “Power Quality Problems”

Substation Voltage Flicker Data Analysis

Published by Electrotek Concepts, Inc., PQSoft Case Study: Substation Voltage Flicker Data Analysis, Document ID: PQS1208, Date: June 4, 2012. Abstract: This case study presents a substation arc furnace flicker measurement data evaluation. The characteristics of voltage flicker are mainly determined by load characteristics and the short-circuit capacity. The analysis included a helpful index forContinue reading “Substation Voltage Flicker Data Analysis”

Wind Energy Conversion System from Electrical Perspective — A Survey

Published by Hyong Sik Kim, Dylan Dah-Chuan Lu, School of Electrical and Information Engineering, University of Sydney, Sydney, Australia. Email: hkim4210@uni.sydney.edu.au Smart Grid and Renewable Energy, 2010, 1, 119-131 doi:10.4236/sgre.2010.13017 Published Online November 2010 (http://www.SciRP.org/journal/sgre). Received October 20th, 2010; revised November 14th, 2010; accepted November 20th, 2010. ABSTRACT This paper focuses on the wind energyContinue reading “Wind Energy Conversion System from Electrical Perspective — A Survey”

Strategies for Investigating Flicker

Published by Wayne LaFleur, Senior Engineer, Power Monitors, Inc. Email: wlafleur@powermonitors.com, Website: powermonitors.com, (800) 296-4120, February 2014. White Paper. ABSTRACT Investigating f licker issues with PMI recorders can be straightforward if the right data is collected, and analyzed with ProVision. By enabling and examining Pst and IFL flicker data, in addition to RMS voltage andContinue reading “Strategies for Investigating Flicker”