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Electrical Insulation in Power Systems : Power Engineering Willis - Malik

Electrical Insulation in Power Systems

Power Engineering Willis

By: Malik

Hardcover

Published: January 1997
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Covers the design, operations, diagnostics and testing of electrical insulation in high-voltage power networks. The book presents the fundamental properties of dielectrics essential for the optimum design of power systems. It provides a survey of advanced digital and electro-optic techniques used in both the field and research.

." . .one of the few recent texts dealing with the broad range of insulation materials used in power systems, including vacuum, gas, liquid, solid, and composite materials. . . .a good collection in one place of the basic information in this areashould be useful to practicing engineers as well as to students." ---IEEE Electrical Insulator Magazine

Series Introductionp. iii
Prefacep. v
Introduction to Electrical Insulation in Power Systemsp. 1
Introductionp. 1
Properties of Dielectricsp. 2
Classification of Insulating Materialsp. 5
Applications of Insulating Materialsp. 8
Electric Fieldsp. 10
Design Parameters of High Voltage Equipmentp. 18
Referencesp. 19
Gas Dielectricsp. 21
Introductionp. 21
Gas Behavior Under Zero Electric Fieldp. 21
Generation of Charged Particlesp. 23
Deionization Processesp. 28
Uniform Field Gas Breakdownp. 29
Nonuniform Field Gas Breakdownp. 36
Time to Breakdownp. 42
Discharges Under Nanosecond Pulse Voltagesp. 43
Gap-Type Dischargep. 44
Choice of Dielectric Gasesp. 46
Referencesp. 48
Air Insulationp. 49
Introductionp. 49
Air Insulation Applications and Modelingp. 49
Voltage Stressesp. 51
Impulse Breakdown Probabilityp. 51
Breakdown Voltage Characteristicsp. 52
Volt Time Curve and Insulation Coordinationp. 65
Phase to Phase Breakdown Characteristicsp. 69
Arc Dischargep. 71
Undesirable Effects of Coronap. 72
Television Interferencep. 80
Referencesp. 80
SF[subscript 6] Insulationp. 83
Introductionp. 83
Basic Properties of SF[subscript 6] Gasp. 83
Breakdown Processes in SF[subscript 6]p. 85
Uniform Field Breakdownp. 86
Nonuniform Field Breakdownp. 87
Estimation of Minimum Discharge Voltagesp. 90
Factors Affecting Discharge Voltagesp. 91
Arc Interruption in SF[subscript 6]p. 96
Gas Insulated Switchgearp. 98
Compressed Gas Insulated Cablesp. 107
Other Applications of SF[subscript 6]p. 108
SF[subscript 6] Gas Handlingp. 108
Referencesp. 109
Liquid Dielectricsp. 111
Introductionp. 111
Classification of Insulating Oilsp. 112
Essential Characteristics of Insulating Oilsp. 119
Streaming Electrificationp. 123
Reconditioning of Insulating Oilsp. 124
Electric Conduction in Insulating Liquidsp. 125
Breakdown in Insulating Liquidsp. 129
Referencesp. 143
Solid Dielectricsp. 147
Introductionp. 147
Solid Insulating Materialsp. 148
Dielectric Loss in Solid Insulating Materialsp. 167
Breakdown in Solid Insulationp. 173
Referencesp. 186
Vacuum Dielectricsp. 188
Introductionp. 188
Prebreakdown Electron Emission in Vacuump. 189
Factors Affecting Breakdown Voltage in Vacuump. 192
Breakdown Mechanismsp. 195
Arc Interruption in Vacuumsp. 198
Vacuum Circuit Breakerp. 202
Referencesp. 206
Composite Dielectricsp. 209
Introductionp. 209
Dielectric Properties of Compositesp. 210
Edge Breakdownp. 213
Cavity Breakdownp. 214
Breakdown Due to Surface Erosion and Trackingp. 217
Chemical and Electrochemical Deterioration and Breakdownp. 218
Materials of Outdoor Insulatorsp. 220
Oil-Impregnated Insulationp. 224
Flexible Laminatesp. 234
Referencesp. 238
High Voltage Cablesp. 241
Introductionp. 241
Cable Materialsp. 241
Types of Cablesp. 244
Cable Constantsp. 245
Electric Stress in Cablesp. 249
Cable Lossesp. 250
Cable Ampacityp. 251
Partial Discharges in Cablesp. 253
Treeing in Cablesp. 255
Cable Aging and Life Estimationp. 263
Cable Accessoriesp. 266
Cable Fault Locationp. 270
Recent Advances in Cable Technologyp. 272
Referencesp. 273
Generation and Measurement of Testing Voltagesp. 276
Introductionp. 276
High Voltage DC Generationp. 276
High Voltage AC Generationp. 279
High Voltage Impulse Generationp. 282
Nanosecond Pulse Generationp. 288
Spark Gaps as a Voltage Measuring Devicep. 289
Potential Dividers for High Voltage Measurementp. 294
Other High Voltage Measuring Devicesp. 295
Measurement of Corona and Gap Discharge Currentsp. 302
Referencesp. 304
New Measurement and Diagnostic Technologiesp. 306
Introductionp. 306
Digital Impulse Recordersp. 306
Digital Techniques in HV Testsp. 311
Testing Automationp. 315
Electric Field Measurementsp. 316
Electro-Optic Sensorsp. 317
Magneto-Optic Sensorsp. 325
Measurements of Very Fast Transients in GISp. 328
Space Charge Measurement Techniquesp. 329
Electro-Optical Imaging Techniquesp. 335
Referencesp. 339
Insulation Testingp. 342
Objectives of Testingp. 342
HV Test Classificationp. 343
Test Voltagesp. 345
Test Procedures and Standardsp. 349
Testing of HV Measuring Devicesp. 351
Partial Discharge Testp. 355
Dielectric Loss Testp. 358
Testing of HV Apparatusp. 361
Electrostatic Hazardsp. 375
Referencesp. 378
Indexp. 381
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9780824701062
ISBN-10: 0824701062
Series: Power Engineering Willis
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 408
Published: January 1997
Publisher: Taylor & Francis Inc
Country of Publication: US
Dimensions (cm): 22.9 x 15.2  x 2.36
Weight (kg): 0.72
Edition Number: 1