Wavelet analysis and transient signal processing applications for power systems 9781118977002, 1118977009, 9781118977019, 1118977017, 9781118977026, 1118977025

Table of contents :
Title Page......Page 15
Table Of Contents......Page 2
Preface......Page 17
1.1 From Fourier Transform To Wavelet Transform......Page 19
1.2 Application Of Time–Frequency Analysis In Transient Signal Processing......Page 26
1.3 Wavelet Transform Application In Transient Signal Processing Of Power Systems......Page 27
References......Page 36
2.1 Continuous Wavelet Transform [1–4]......Page 43
2.2 The Discretization Of Continuous Wavelet Transform [1, 5]......Page 47
2.3 Multiresolution Analysis And The Mallat Algorithm......Page 50
2.4 The Properties Of Basic Wavelets [5]......Page 61
2.5 Frequently Used Properties Of The Mother Wavelet In Engineering Signal Analysis [5]......Page 62
References......Page 71
3.1 Lipschitz Exponents......Page 72
3.2 Characterization Of Signal Singularity Based On Wavelet Transform......Page 74
3.3 The Wavelet Transform Property Of Random Noise......Page 79
Further Reading......Page 81
4.1 Wavelet Sampling In Direct Wavelet Transform......Page 82
4.2 Pre-Sampling In Indirect Wavelet Transform......Page 83
4.3 Selection Algorithms For Pre-Sampling Filters......Page 85
4.4 Problems In The Implementation Of Wavelet Transform......Page 90
Further Reading......Page 91
5.1 The Sources And Features Of Power System Transient Signals......Page 92
5.2 Detection Of A High-Order Singular Signal......Page 93
5.3 Detection Of Weak Transients Of Low-Frequency Carriers......Page 95
5.4 Detection Of Transients In Narrow-Band Interference......Page 98
5.6 Location Of Transients......Page 101
5.7 Selection Of Wavelet Decomposition Scales......Page 105
Further Reading......Page 108
6.1 The Construction And Application Of A Class Of M-Band Wavelets [1–2]......Page 110
6.2 The Construction And Application Of A Class Of Recursive Wavelets......Page 124
6.3 The Application And Structure Of An Optimal Wavelet Basis......Page 134
References......Page 148
7.1 Modulus Maxima And The Singularity Exponents Method......Page 150
7.2 Energy Distribution Analysis Method......Page 157
7.3 Wavelet Neural Networks......Page 164
7.4 Statistical And Clustering Analysis Methods......Page 172
References......Page 180
8 Application Of Wavelet Analysis In High-Voltage Transmission Line Fault Location......Page 182
8.1 Basic Principle Of Traveling Wave–Based Fault Location For Transmission Lines......Page 183
8.2 Traveling Wave Fault Location Method Based On Wavelet Analysis For Transmission Lines......Page 190
8.3 Fault Location Method Based On Traveling Wave Natural Frequencies For Transmission Lines......Page 194
8.4 Fault Location Method Based On Time–Frequency Characteristics Of Traveling Wave......Page 203
Further Reading......Page 211
9 Application Of Wavelet Transform In Fault Feeder Identification In A Neutral Ineffectively Grounded Power System......Page 212
9.1 The Basic Principle Of Faulty Line Selection In Neutral Ineffectively Grounded Systems......Page 213
9.2 The Application Of Wavelet Analysis In Faulty Line Selection In Small Current Grounded Systems......Page 224
References......Page 233
10 Application Of Wavelet Transform To Non-Unit Transient Protection......Page 234
10.1 Principle Of Transient Protection For Ehv Transmission Lines......Page 235
10.2 Transient Protection Based On Wavelet Transform For Ehv Transmission Lines......Page 236
References......Page 261
11.2 Power Quality Disturbance Detection Based On Wavelet Transform......Page 262
11.3 Power Quality Disturbance Identification Basedon Wavelet Transform......Page 271
11.4 Power Quality Disturbance Source Location Based On Wavelet Analysis......Page 280
References......Page 285
12 Wavelet Entropy Definition And Its Application In Detection And Identification Of Power Systems’ Transient Signals......Page 286
12.1 Definitions Of Six Wavelet Entropies......Page 287
12.2 Detection And Identification Of Power Systems’ Transient Signals Based On Wavelet Entropy......Page 299
12.3 Fault Diagnosis Based On Wavelet Entropy Fusing Model......Page 324
References......Page 334
A.1 500 Kv Transmission Line Simulation Model......Page 336
A.2 The Simplified 500 Kv Two-Terminal Power System: Example 1......Page 338
A.4 Neutral Ineffectively Grounded Power System......Page 339
A.5 Distribution Network With Capacitor Banks......Page 340
A.6 Power Quality Disturbances......Page 342
Author Index......Page 344
Subject Index......Page 346
End User License Agreement......Page 353