| HV Cable World Statistics and some Large Installations | p. 1 |
| Introduction | p. 1 |
| Statistics of Cable Installed Lengths | p. 3 |
| Large Installations of EHV Cable Systems | p. 7 |
| Land and Submarine 150 kV AC Cable Link Sardinia-Corsica: SAR.CO | p. 7 |
| The Madrid "Barajas" Airport Project (Spain) | p. 11 |
| Milestones of the Barajas Project | p. 12 |
| Technical Characteristics of the Link | p. 12 |
| Tunnel and Earthing System Characteristics | p. 12 |
| Power EHV Cables | p. 14 |
| Cable Laying in the Tunnel | p. 16 |
| The Transition Compounds and Protection Schemes | p. 17 |
| 380 kV Double-Circuit Cable of Mixed Line Turbigo-Rho (Italy) | p. 19 |
| Milestones of the Turbigo-Rho Project | p. 19 |
| The Undergrounding Link of the Turbigo-Rho Mixed Line | p. 20 |
| Power EHV Cables | p. 21 |
| Cable Laying | p. 23 |
| The Transition Compounds and Protection Schemes | p. 25 |
| References | p. 27 |
| The Positive Sequence Model of Symmetrical Lines | p. 29 |
| Introduction | p. 29 |
| The Transmission Matrix of a Uniform Line | p. 29 |
| Computation of Single-Core Cable Kilometric Parameters | p. 33 |
| Computation of r (Cable) | p. 33 |
| Computation of l (Cable) | p. 34 |
| Computation of c (Cable) | p. 35 |
| Computation of g (Cable) | p. 36 |
| Computation of GIL Kilometric Parameters | p. 37 |
| Computation of GIL Apparent Kilometric Resistance r | p. 38 |
| Computation of GIL Kilometric Inductance l | p. 39 |
| The Computation of GIL Kilometric Capacitance c | p. 41 |
| Computation of GIL Kilometric Shunt Conductance g | p. 41 |
| Some Other Matrix Relations Deriving from the Fundamental One | p. 41 |
| Cascade Connections of Two Port Networks (TPN) | p. 42 |
| Parallel Connection of Equal Two Port Circuits Thermally and Electrically Decoupled | p. 43 |
| The Shunt Reactive Compensation | p. 45 |
| The Uniformly Distributed Compensation | p. 45 |
| The Lumped Compensation | p. 46 |
| References | p. 48 |
| Operating Capability of Long AC EHV Power Cables | p. 49 |
| Introduction | p. 49 |
| The Basic Constraints | p. 49 |
| First Analysis: U0S (¿), IR Constrained | p. 52 |
| Second Analysis: U0S (v), IS Constrained | p. 54 |
| Voltages and Currents Along the Cable | p. 55 |
| Power Values Compatible with Basic Constraints and with Voltage Levels at the Receiving-End | p. 57 |
| No-Load Energization and De-Energization | p. 60 |
| Power Capability Charts | p. 63 |
| Theoretical Limits of the Length d | p. 70 |
| Steady State Regimes Within Power Areas | p. 70 |
| Enhanced Capability Charts | p. 72 |
| Application of Ossanna's Method | p. 75 |
| Cables with Gas Insulation (GILs) | p. 78 |
| Regimes with U0S = 230kV | p. 80 |
| "Receiving Area" and "Sending Area" as Set Intersection | p. 80 |
| The Determination of the Receiving Area as Set Intersection | p. 81 |
| The Determination of the Sending Area as Set Intersection | p. 82 |
| The Analysis Along the Cable with Lumped Shunt Compensation | p. 82 |
| Conclusions | p. 86 |
| References | p. 86 |
| Operating Capability of AC EHV Mixed Lines with Overhead and Cables Links | p. 89 |
| Introduction | p. 89 |
| Mixed Lines: OHL-UGC-OHL | p. 90 |
| The Transmission Matrices for the System Study | p. 92 |
| First Analysis | p. 92 |
| Second Analysis | p. 94 |
| The Capability Charts | p. 96 |
| Phase Voltage Levels at R | p. 99 |
| No-Load Energization and De-Energization | p. 99 |
| The Use of Capability Charts as a Guide | p. 104 |
| "Receiving Area" and "Sending Area" as Intersections of Sets | p. 110 |
| Analysis Completion | p. 112 |
| Analysis Completion by Means of Ossanna's Method and Matrix Algorithms | p. 112 |
| Circuital Considerations | p. 113 |
| The Three Matrices NH1, NS1, NR1 | p. 114 |
| The Elements of NH1 | p. 114 |
| The Matrix NS1 | p. 116 |
| The Matrix NR1 | p. 116 |
| The Matrices NK2, NS2, NR2 | p. 117 |
| Conclusions | p. 118 |
| References | p. 118 |
| Multiconductor Analysis of UGC | p. 119 |
| Introduction | p. 119 |
| Multiconductor Cell of Three Single-Core Cables Lines | p. 120 |
| The Admittance Matrix Y¿ to Model the Elementary Cell | p. 122 |
| Computation of ZL by Means of Simplified Carson-Clem Formulae | p. 123 |
| Computation of ZL by Means of Complete Carson Formulae | p. 123 |
| Computation of ZL After Wedepohl | p. 124 |
| Computation of YT¿ | p. 124 |
| Transposition Joints Modelling: YJ | p. 126 |
| Earthing of Sheaths and Insertion of Possible Shunt Reactors: YE; YE¿ | p. 127 |
| The Multiconductor Supply Model at the Sending-End | p. 129 |
| Equivalent Receiving-End Matrix for Load Modelling | p. 131 |
| The Cascade Composition of Blocks Modelled by "Admittance Partitioned Matrices": A First, Simple Circuit | p. 131 |
| The Introduction of Other Blocks in the First Simple Circuit and the Steady State Analysis | p. 133 |
| The No-Load Subtransient Energization Analysis | p. 135 |
| The Admittance Matrix Equivalent to k Blocks in Cascade Connections | p. 135 |
| Application of Multiconductor Analysis to the System "Cable #b, 60 km" Already Studied in Chapter 3 with Simplified Criteria (see Figures 3.21 and 3.36) | p. 137 |
| Comparisons with Other Methods | p. 145 |
| Conclusions | p. 146 |
| References | p. 147 |
| A Comparative Procedure for AC OHL and UGC Overall Cost | p. 149 |
| Introduction | p. 149 |
| OHL and UGC in the Comparative Procedure | p. 150 |
| The Capital Costs of OHL and UGC | p. 154 |
| Energy Losses and Their Actual Cost | p. 154 |
| The Burden on Territory | p. 158 |
| The Visual Impact | p. 162 |
| Operation and Maintenance (O&M) Costs | p. 162 |
| Dismantling or Decommissioning Cost | p. 163 |
| The Cost of UGC Shunt Reactive Compensation | p. 163 |
| Two Case Studies: #al vs. 2#c1 with d = 10km | p. 166 |
| First Case Study with Duration Curve of Figure 6.14a | p. 166 |
| Second Case Study with Duration Curve of Figure 6.14b | p. 167 |
| Sensitivity to the Principal Parameters | p. 168 |
| Case Study of Section 6.9 with Duration Curve of Figure 6.14a | p. 169 |
| Conclusion | p. 170 |
| References | p. 170 |
| Index | p. 173 |
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