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Produktbild: Theory and Application of Dynamic Wetting for High Voltage Insulator

Theory and Application of Dynamic Wetting for High Voltage Insulator

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Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

27.07.2026

Verlag

Wiley

Seitenzahl

320

Maße (L/B/H)

17,1/23,9/2,3 cm

Gewicht

580 g

Sprache

Englisch

ISBN

978-1-394-38515-7

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

27.07.2026

Verlag

Wiley

Seitenzahl

320

Maße (L/B/H)

17,1/23,9/2,3 cm

Gewicht

580 g

Sprache

Englisch

ISBN

978-1-394-38515-7

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Theory and Application of Dynamic Wetting for High Voltage Insulator

  • List of Figures ix
    List of Tables xix
    About the Authors xxi
    Preface xxiii
    Acknowledgments xxv
    Acronyms xxvii

    1 Challenges in Insulation of Transmission Equipment with Climate Change 1
    1.1 Classical Theories of Pollution Discharge on Insulators 3
    1.2 Insulator Contamination 6
    1.3 Insulator Wetting 9
    1.4 Characterization Parameters for External Insulation 11
    1.5 Pollution Monitoring Technology 15
    1.6 Main Content of the Book 17

    2 Wetting Behavior of Insulator Contamination at Saturated Humidity 21
    2.1 Introduction 21
    2.2 Example Arrangement 22
    2.3 Results 30
    2.4 Impact of Non-soluble Deposit Density (NSDD) and Surface Angle 34
    2.5 Summary 38

    3 Soluble Salt Dissolution in Contaminated Layers 41
    3.1 Introduction 41
    3.2 Experimental Arrangement 42
    3.3 Results 47
    3.4 Relationship Between ESDD and Conductivity 50
    3.5 Summary 59

    4 Wetting Behavior of Insulator Contamination at Unsaturated Humidity 63
    4.1 Introduction 63
    4.2 Experimental Arrangement 64
    4.3 Results 72
    4.4 Relationship Between Humidity, Contamination, and Leakage Current 78
    4.5 Summary 85

    5 Temperature Differences and Their Effect on Wetting Behavior 89
    5.1 Introduction 89
    5.2 Experimental Arrangement 90
    5.3 Results 96
    5.4 Summary 103

    6 Characterization of Salt Fog Environments and Its Effect on the Outdoor Insulation 107
    6.1 Introduction 107
    6.2 ESSC 108
    6.3 Results 113
    6.4 Comprehensive Model for Predicting Flashover Voltage in the Salt Fog Environments 119
    6.5 Summary 124

    7 Effect of Hydrophobicity on the Contamination Wetting 127
    7.1 Introduction 127
    7.2 Experimental Arrangement 128
    7.3 Results 132
    7.4 Dissolving Characteristics of Soluble Salts at Water Drop and Dry Band 135
    7.5 Summary 140

    8 Wetting Characteristics of the Hydrophobic Material Surface Through Condensation 143
    8.1 Introduction 143
    8.2 Experimental Arrangement 144
    8.3 Results 150
    8.4 Discussion 154
    8.5 Summary 158

    9 Flashover Characteristics of Hydrophobic Surfaces with Different Wetting Degree 161
    9.1 Introduction 161
    9.2 Flashover Characteristics with Lower Wetting Degree 162
    9.3 Flashover Characteristics with Higher Wetting Degree 170
    9.4 Discussion of Surface Flashover with Water Involved 177
    9.5 Summary 184

    10 Factors Influencing the Hydrophobic Surface Flashover and Their Application 187
    10.1 Introduction 187
    10.2 Wetting Prerequisite of Flashover on Hydrophobic Surface 187
    10.3 Effect of Contamination on Flashover Voltage Under Different Wetting Conditions 190
    10.4 Dynamic Behavior of Water Droplets Under Electric Field 192
    10.5 Replacement and Maintenance Strategies for Degraded Hydrophobic Insulators 200
    10.6 Summary 202

    11 Insulator Contamination Monitoring Based on Its Hygroscopicity Under Unsaturated Humidity 205
    11.1 Introduction 205
    11.2 Development of Online Monitoring Devices 206
    11.3 System Application 208
    11.4 Algorithms for Real-time Contamination Assessment 210
    11.5 Assessment Method of Pollution Degree for Hydrophobic Surface 216
    11.6 Summary 222

    12 Insulator Contamination Monitoring at Saturated Moisture 225
    12.1 Introduction 225
    12.2 Test Specimens, Facilities, and Procedure 226
    12.3 Experimental Results 229
    12.4 Analyses and Discussion 233
    12.5 Influence of Partial Electric Arc on the Contamination Monitoring in View of Leakage Current 236
    12.6 Summary 240

    13 Spatial and Temporal Analysis of Contamination on Insulator Surfaces 243
    13.1 Introduction 243
    13.2 Artificial Contamination Test 244
    13.3 Contamination Components of Actual Operating Insulators 249
    13.4 Summary 257

    14 Correction Methods for Soluble Salt Components in Contamination Assessment 261
    14.1 Introduction 261
    14.2 Analysis of Surface Conductivity for Soluble Salt Detection 262
    14.3 Correction Method for Soluble Salt Components and Equipment 268
    14.4 Experimental Validation of Correction Methods 272
    14.5 Engineering Implications 275
    14.6 Summary 277

    Index 281