1 Introduction. 1.1 Definition of Electric Power Quality. 1.2 Sources for Electric Power Quality Deterioration in a Power System. 1.3 Need for Assessment of Electric Power Quality. 1.4 Book at a Glance
2 Electric Power Quality. 2.1 Introduction. 2.2 Electric Power Quality. 2.3 Classification of Power System Disturbances. 2.4 Power Quality Standards and Guidelines. Reference.
3 Unbalance. 3.1 Introduction. 3.2 Unbalance in Three Phase Power System. 3.3 Sources of Unbalance. 3.4 Effect of Unbalance. Reference.
4 Harmonics. 4.1 Introduction. 4.2 Fundamental wave. 4.3 Harmonics. 4.4 Sources of Harmonics. 4.5 Effects of Harmonics. 4.6 Harmonic Standard. Reference.
5 Transients. 5.1 Introduction. 5.2 Power System Transients. 5.3 Causes of power system transients. 5.4 Effects. Reference.
6 Sag, Swell, Interruption, Undervoltage and Overvoltage. 6.1 Introduction. 6.2 Sag. 6.3 Swell. 6.4 Interruption. 6.5 Sustained Interruption. 6.6 Undervoltage. 6.7 Overvoltage. Reference.
7 DC Offset, Electric Noise, Voltage Fluctuation, Flicker and Power Frequency Variation. 7.1 Introduction. 7.2 DC Offset. 7.3 Electric Noise. 7.4 Voltage Fluctuation. 7.5 Flicker. 7.6 Power Frequency Variations. 7.7 Discussion. Reference.
8 Unbalance Assessment using Sequence Components. 8.1 Introduction. 8.2 Sequence Component. 8.3 Phase Currents and Voltages. 8.4 ‘a’ Operator and Angle Representation in Complex Plane. 8.5 Currents and Voltages in terms of Sequence Components with ‘a’ Operator. 8.6 Case Study on Unbalance. 8.7 Definition of Unbalance: An Alternate Approach. Reference.
9 Unbalance Assessment using Feature Pattern Extraction Method. 9.1 Introduction. 9.2 Feature Pattern Extraction Method. 9.3 Unbalance and FPEM. 9.4 CMS Rule Set for Unbalance Assessment by FPEM. 9.5 Algorithm for Unbalance Assessment. 9.6 Discussion. Reference.
10 Useful Tools for Harmonic Assessment. 10.1 Introduction. 10.2 Fourier Series. 10.3 Fourier Transform. 10.4 Discrete Fourier Transform. 10.5 Fast Fourier Transform. 10.6 Hartley transform and Discrete Hartley Transform. 10.7 Wavelet Transform. 10.8 Discussion. Reference.
11 Harmonic Assessment using FPEM in V-V and I-I Planes. 11.1 Introduction. 11.2 Harmonic Assessment by FPEM. 11.3 Patterns in V-V planes in Presence of Harmonic. 11.4 CMS Rule for Determination of Highest order of Dominating Harmonics. 11.5 Limitation of FPEM for Harmonic Assessment in V-V and I-I Plane. 11.6 Algorithm for Real Power System Data. 11.7 Discussions. Reference.
12 Clarke and Park Transformation. 12.1 Introduction. 12.2. Current Space Vector. 12.3 Stationary Reference Frame. Reference . 12.4 General Rotating Reference Frame. 12.5 d-q Rotating Reference Frame. 12.6 Transformation Matrices. 12.7 Discussion. Reference.
13 Harmonics Assessment by FPEM in Clarke and Park Planes. 13.1 Introduction. 13.2 Harmonic Analysis in Clarke Plane. 13.3 Harmonic Analysis in Park plane. 13.4 Discussion. Reference.
14 Harmonic Assessment by Area Based Technique in V-V and I-I Planes. 14.1. Introduction. 14.2. Area Based Technique (ABT). 14.3 Algorithm. 14.4 Discussion. Reference.
15 Harmonic Assessment by Area Based Technique in Clarke and Park Planes. 15.1 Introduction. 15.2 Voltage and Current in Clarke (a-b) Plane. 15.3 Reference Signal for Assessment of Fundamental Component. 15.4 Fundamental Components in Clarke Plane. 15.5 Harmonic Components in Clarke Plane. 15.6 CMS Equations for Total Harmonic Distortion in Clarke Plane. 15.7 Voltages and Currents in Park (d-q) Plane. 15.8 Reference Signal in Park Plane. 15.9 Fundamental Components in Park Plane. 15.10 Harmonic Components in Park Plane. 15.11. CMS Equations for Total Harmonic Distortion Factors. 15.12 Discussion. Reference.
16 Assessment of Power Components by FPEM and ABT. 16.1 Introduction. 16.2. Power Components by FPEM. 16.3 CMS Rule Set for Power Components by FPEM. 16.4 Limitations of CMS Rule Set for Power Components by FPEM. 16.5 Power Component Assessment by Area Based Technique. 16.6 Power Components of R, Y and B phases. 16.7 Power Components in Clarke Plane. 16.8 Power Components in Park Plane. 16.9 CMS Equation for Power Distortion Factors. 16.10 Discussion. Reference.
17 Transients Analysis. 17.1 Introduction. 17.2 Sub-band Filters. 17.3 Model Based Approaches. 17.4 ESPRIT Method. 17.5 Suitability of ESPRIT. 17.6 Discussion. Reference.
18 Passivity and Activity Based Model of Polyphase System. 18.1 Introduction. 18.2 Passivity Based Model. 18.3 CMS Activity Based Model. 18.4 Mutual Interaction of Voltage and Current of Different Frequencies in Park Plane. 18.5 Active Model of System having Harmonics up to Third order: A Case Study. 18.6 Case Study of Active Model on Poly-phase Induction Machine. 18.7 Discussion. Reference.
In the present day deregulated power market electric power quality issues have become great concerns of utilities, end users and manufacturers. Worldwide researches are going on to address those issues. Electric Power Quality has evolved from the researches carried out by the authors.
The key features of the book can be highlighted as follows: the contents focuses, on one hand, different power quality issues, their sources and effects and different related standards, which are required for students, researchers and practising engineers and, on the other hand, measurement techniques for different power quality parameters, the content level is designed in such a way that the concepts of different power quality issues in modern power system are built up first, followed by some existing and new measurement methods. This content should attract the students, researchers and practising engineers, the predominant features are Lucid but concise description of the subject, detailed new measurement techniques and Electric Power Quality is intended for graduate, postgraduate and researchers as well as for professionals in the related fields.
At the end, a chapter has been added which deals with a concept of generation of harmonics in a power system and its components.
Surajit Chattopadhyay has obtained B. Sc. Degree in Physics Honours from Ramakrishna Mission Vidyamandir, B. Tech., M. Tech. And Ph. D. (Technology) Degree in electrical engineering from Department of Applied Physics of University of Calcutta. He has been involved in research work on power quality in the Department of Applied Physics. He is the recipient of award for “best research paper” by the Department of Science and Technology (DST) and Government of West Bengal in 2005. He has authored 35 papers published in international and national journals and conferences. Three of his papers have been selected as best paper in international level. He has presented papers in Lyon, France, Kuala Lumpur, Malaysia and Dhaka, Bangladesh. He has industrial experience on computer interfacing in electrical applications and for last eight years he has been involved in teaching profession in degree and post graduate level. Presently, he is assistant professor in Hooghly Engineering & Technology College and visiting faculty of Department of Applied Physics of University of Calcutta. He is member of IET (UK). His field of interest includes power system protection, power quality and computer interfacing in electrical applications. He has coauthored one book on Basic Electrical Engineering.
Madhuchhanda Mitra has obtained B. Sc. Degree in Physics Honours, B. Tech., M. Tech. and Ph. D. Degree in Electrical Engineering from Univerisity of Calcutta. She has authored more than 60 papers published in international journal and proceedings of international conference. She is the recipient of many best paper awards in national and international level. Presently she is readerr in the Department of Applied Physics, University of Calcutta. Her field of interest power quality and medical instrumentation. She has coauthored a book on PLC and industrial automation.Samarjit Sengupta has obtained B. Sc. Degree in Physics Honours, B. Tech., M. Tech. and Ph. D. Degree in Electrical Engineering from Univerisity of Calcutta. He has authored more than 75 papers published in international journal and proceedings of international conference. He is the recipient of many best paper awards in national and international level. Presently he is professor and Head of the Department of Applied Physics, University of Calcutta. His field of interest includes power system protection, power quality and Power System Stability. He is vice chairman of IET (UK) Kolkata Network. He has coauthored books on Basic Electrical Engineering, PLC and industrial automation.
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