Appendix B: Underground Cable Data
by William H. Kersting
Distribution System Modeling and Analysis, 4th Edition
- Cover
- Half Title
- Title Page
- Copyright Page
- Table of Contents
- Preface
- Acknowledgments
- Author
- 1. Introduction to Distribution Systems
- 2. The Nature of Loads
- 3. Approximate Method of Analysis
- 4. Series Impedance of Overhead and Underground Lines
- 4.1 Series Impedance of Overhead Lines
- 4.1.1 Transposed Three-Phase Lines
- 4.1.2 Untransposed Distribution Lines
- 4.1.3 Carson’s Equations
- 4.1.4 Modified Carson’s Equations
- 4.1.5 Primitive Impedance Matrix for Overhead Lines
- 4.1.6 Phase Impedance Matrix for Overhead Lines
- 4.1.7 Sequence Impedances
- 4.1.8 Parallel Overhead Distribution Lines
- 4.2 Series Impedance of Underground Lines
- 4.3 Summary
- Problems
- WindMil Assignment
- References
- 4.1 Series Impedance of Overhead Lines
- 5. Shunt Admittance of Overhead and Underground Lines
- 6. Distribution System Line Models
- 7. Voltage Regulation
- 8. Three-Phase Transformer Models
- 8.1 Introduction
- 8.2 Generalized Matrices
- 8.3 The Delta–Grounded Wye Step-Down Connection
- 8.4 The Delta–Grounded Wye Step-Up Connection
- 8.5 The Ungrounded Wye–Delta Step-Down Connection
- 8.6 The Ungrounded Wye–Delta Step-Up Connection
- 8.7 The Grounded Wye–Delta Step-Down Connection
- 8.8 Open Wye–Open Delta
- 8.9 The Grounded Wye–Grounded Wye Connection
- 8.10 The Delta–Delta Connection
- 8.11 Open Delta–Open Delta
- 8.12 Thevenin Equivalent Circuit
- 8.13 Summary
- Problems
- WindMil Assignment
- 9. Load Models
- 9.1 Wye-Connected Loads
- 9.2 Delta-Connected Loads
- 9.3 Two-Phase and Single-Phase Loads
- 9.4 Shunt Capacitors
- 9.5 Three-Phase Induction Machine
- 9.5.1 Induction Machine Model
- 9.5.2 Symmetrical Component Analysis of a Motor
- 9.5.3 Phase Analysis of an Induction Motor
- 9.5.4 Voltage and Current Unbalance
- 9.5.5 Motor Starting Current
- 9.5.6 The Equivalent T Circuit
- 9.5.7 Computation of Slip
- 9.5.8 Induction Generator
- 9.5.9 Induction Machine Thevenin Equivalent Circuit
- 9.5.10 The Ungrounded Wye–Delta Transformer Bank with an Induction Motor
- 9.6 Summary
- Problems
- References
- 10. Distribution Feeder Analysis
- 10.1 Power-Flow Analysis
- 10.2 Short-Circuit Studies
- 10.3 Summary
- Problems
- WindMil Assignment
- References
- 11. Center-Tapped Transformers and Secondaries
- Appendix A: Conductor Data
- Appendix B: Underground Cable Data
- Index
Appendix B: Underground Cable Data
Concentric Neutral 15 kV Cable
Tape-Shielded 15 kV Cable
Tape thickness = 5 mils
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