Time-Varying Waveform Distortions in Power Systems

A comprehensive review of analytical signal processing techniques applied to power systems and power quality applications. This reference book is unique in addressing time-varying waveform and harmonic distortions. It details many different approaches, pooling cutting edge material from university lecturers and practising power engineers to provide a wide spectrum of expertise. Divided into clear sections, the book discusses a range of topics including current and voltage variations; standards and measurement issues; advanced techniques such as spectral, time-frequency, probabilistic; and further methods, such as independent component analysis, and fuzzy logic. Case studies, real world data and examples (including basic application examples and sample waves from industrial sites) supplement the theory and demonstrate the methods shown. With extensive appendices in addition, this book is of great value to power systems, utility, maintenance and instrumentation engineers. It is also a useful source of information for researchers and consultants, university professors and graduate students in power systems and power quality areas.

A comprehensive review of analytical signal processing techniquesapplied to power systems and power quality applications.This reference book is unique in addressing time-varyingwaveform and harmonic distortions. It details many differentapproaches, pooling cutting edge material from university lecturersand practising power engineers to provide a wide spectrum ofexpertise.Divided into clear sections, the book discusses a range oftopics including...* current and voltage variations;* standards and measurement issues;* advanced techniques such as spectral, time-frequencyprobabilistic;* and further methods, such as independent componentanalysis, and fuzzy logic.Case studies, real world data and examples (including basicapplication examples and sample waves from industrial sites)supplement the theory and demonstrate the methods shown.With extensive appendices in addition, this book is of greatvalue to power systems, utility, maintenance and instrumentationengineers. It is also a useful source of information forresearchers and consultants, university professors and graduatestudents in power systems and power quality areas.

Contributors xiPreface xiiiWebsite Information xviiAcknowledgments xixPart I General Concepts and Definitions 11 Probabilistic aspects of time-varying harmonics 3R. E. Morrison, Y. Baghzouz, P. F. Ribeiro and C. A.Duque2 Probability distribution and spectral analysis ofnonstationary random processes 19P. F. Ribeiro and C. A. Duque3 Transients and harmonics 25T. H. Ortmeyer4 Electric power definitions under random conditions 29A. E. Emanuel5 Visualizing Joseph Fourier's imaginative discovery via FEA39P. J. Masson, P. M. Silveira, C. A. Duque and P. F.RibeiroPart II Current Variations 516 Summation of random harmonic currents 53R. Langella and A. Testa7 Probabilistic modeling of single high-power loads 73R. Langella and A. TestaPart III Voltage Variations 938 Probabilistic modeling for network analysis 95P. Caramia, P. Verde, P. Varilone and G. Carpinelli9 Probabilistic modeling of harmonic impedances 115R. Langella and A. TestaPart IV Standards and Measurement Issues 12910 Time-varying and probabilistic considerations: setting limits131T. H. Ortmeyer, W. Xu and Y. Baghzouz11 Probabilistic harmonic indices 137P. Caramia, G. Carpinelli, A. Russo, P. Verde and P.Varilone12 Measurement techniques and benchmarking 149J. Driesen and J. Van den KeybusPart V Applications and Case Studies 15913 Harmonic summation for multiple arc furnaces 161J. Wikston14 Treatment of measured harmonic currents in filters of an HVDCsystem 167S. Carneiro Jr and A. C. de Freitas MarottiPart VI Advanced Techniques 17315 Visualization of time-varying waveform distortions withwavelets 175P. M. Silveira and P. F. Ribeiro16 Wavelets for the measurement of electrical power signals187J. Driesen17 Fuzzy logic application for time-varying harmonics 197B. R. Klingenberg and P. F. Ribeiro18 Real-time simulation of time-varying harmonics 211Y. Liu, M. Steurer and P. F. Ribeiro19 Independent component analysis for harmonic studies 217E. Gursoy and D. Niebur20 Enhanced empirical mode decomposition applied to waveformdistortions 233N. Senroy, S. Suryanarayanan and P. F. Ribeiro21 Harmonic and interharmonic on adjustable speed drives253R. Langella and A. Testa22 Tracking time-varying power harmonic distortions 277C. A. Duque, P. M. Silveira, T. Baldwin and P. F.Ribeiro23 Enhanced DFT for time-varying harmonic decomposition289P. M. Silveira, C. A. Duque, T. Baldwin and P. F.Ribeiro24 Enhanced PLL based filter for time-varying harmonicdecomposition 303J. R. Carvalho, C. A. Duque, M. V. Ribeiro, A. S. Cerqueira andP. F. Ribeiro25 Prony analysis for time-varying harmonics 317L. Qi, S. Woodruff, L. Qian and D. CartesAppendix A: Time-varying harmonic currents from largepenetration electronic equipment 331A. Capasso, R. Lamedica and A. PrudenziAppendix B: Sample of waveforms and decompositions 357C. A. Duque, M. V. Ribeiro and P. F. RibeiroIndex 367