Diagnostic testing and life estimation of power equipment / T.S. Ramu
- Author
- Ramu, T. S.
- Published
- Tunbridge Wells [England] : New Academic Science, [2012]
- Copyright Date
- ©2012
- Physical Description
- 1 online resource (xiii, 296 pages) : illustrations
Access Online
- Contents
- Cover -- Preface -- Contents -- Introduction -- Chapter 1 Dielectric Behaviour in Electric and Thermal Fields -- 1.1 Introduction -- 1.2 Mechanism of Electrical Conduction in Matter -- 1.2.1 Conduction in Metals -- 1.2.2 Conduction in Dielectrics -- 1.3 Charge Storage in Dielectrics -- 1.3.1 Electric Field between Charged Conducting Planes -- 1.3.2 The Concept of Permittivity -- 1.3.3 The Electric Dipole -- 1.3.4 Structure of Dielectrics -- 1.3.5 A Rigid Dipole in a Uniform External Field -- 1.3.6 Energy in an Electrostatic Field, 1.3.7 Interfacial Polarisation1.4 Non-Ideal Dielectrics -- 1.5 Behaviour of Dielectric in Time Varying Fields -- 1.5.1 The Concept of Complex Permittivity -- 1.5.2 Frequency and Temperature Response of Dielectrics -- 1.5.2.1 Frequency Response -- 1.5.2.2 The Temperature Response -- 1.5.3 Equivalent Circuits -- 1.5.3.1 Equivalence of Parallel and Series Representations -- 1.6 Conduction in Dielectrics -- 1.6.1 The Volume Conductivity -- 1.6.2 Surface Conductivity -- 1.7 Breakdown in Dielectrics -- 1.7.1 Breakdown Mechanisms in Gases, 1.7.1.1 Electronegative Gases1.7.1.2 Paschenâ€?s Law -- 1.7.2 Conduction and Breakdown in Liquids -- 1.7.3 Breakdown Mechanisms in Solids -- 1.7.3.1 Surface Breakdown -- 1.7.3.2 Tracking in Solid Electrical Insulation -- 1.7.3.3 Intrinsic Breakdown -- 1.7.3.4 Breakdown in Commercial Dielectrics -- 1.7.3.5 Breakdown due to Treeing -- 1.7.4 Corona and Partial Discharges -- 1.7.4.1 Corona Discharges -- 1.7.4.2 Partial Discharges -- 1.7.5 Thermal Breakdown -- 1.7.5.1 The Steady-state Thermal Breakdown -- 1.7.6 General Theory of Thermal Breakdown in Solids, 1.7.6.1 Thermal Breakdown in â€?Thinâ€? SpecimensChapter 2 Measurement of Dielectric Parameters -- 2.1 General -- 2.2 Permittivity and tanÎ? -- 2.3 Volume and Surface Conductivity -- 2.4 Partial Discharge Measurements -- 2.5 Calibration of PD Measuring Circuits and Detector -- 2.6 Measurement of Dielectric Strength -- Chapter 3 Models for Electrical Insulation Failure -- 3.1 General -- 3.2 Physical Models for Insulation Failure -- 3.3 Single Stress Modelling -- 3.3.1 Model for Ageing under Electrical Stress -- 3.3.2 Thermal Stress Model, and 3.3.3 Modelling of Mechanical Stress3.4 Multifactor Models -- 3.4.1 Sequential Stress -- 3.4.2 Combined Stress Models -- 3.4.2.1 The Case of E + T -- 3.4.2.2 The Case of E +M -- 3.4.2.3 The Case of T + M -- 3.4.2.4 The Case of T + E + M -- Chapter 4 Stochastic Nature of Electrical Insulation Failure -- 4.1 General -- 4.1.1 The Concept of a Random Variable (RV) -- 4.1.2 Conditional Probability -- 4.1.3 The Hazard Function -- 4.1.4 Probabilistic Aspects of Insulation Ageing -- 4.2 Statistical Aspects of Thermal Ageing
- Subject(s)
- ISBN
- 9781906574604 (ebook)
190657460X (ebook)
9781523118724 (electronic)
1523118725
1906574251
9781906574253 - Digital File Characteristics
- data file
- Bibliography Note
- Includes bibliographical references.
View MARC record | catkey: 39314505