交联聚乙烯电缆基础教程PDF电子书下载

Chapter one Development history of XLPE insulated cable 1

Chapter two Structure and material property of XLPE insulated cable 9

2.1 Structure of XLPE insulated cable 9

2.2 Conductor material 16

2.3 Insulation material 40

2.4 Internal and external semiconductor screen layer of XLPE insulated cable 104

2.5 Metallic screen 116

Chapter three Calculated electric parameter of XLPE insulated cable with mathematical statistics theory 123

3.1 Theoretical basis 123

3.2 Confirm breakdown distribution of cable 125

3.3 Analyses related to insulation thickness and breakdown electricfield 139

3.4 Design of 220kV XLPE cable construction 141

3.5 Analyses of tests 141

3.6 Estimate cable reliability in operation 151

3.7 Confirm operated cable reliability used in method of calculated expectation life 152

Chapter four Electrical parameter of XLPE insulated cable 154

4.1 Electrical field distribution of XLPE insulated cable 154

4.2 Conductor resistance of XLPE insulated cable 162

4.3 Inductance of XLPE insulated cable 172

4.4 Capacitance of XLPE insulated cable 176

4.5 Induced voltage of metallic screen layer(or metallic sheath)of XLPE insulated cable 179

4.6 Metallic sheath overvoltage of XLPE insulated cable 184

Chapter five Electric parameter of accessories on XLPE insulated cable 228

5.1 Electrical field distribution of accessories on XLPE insulated cable 228

5.2 Calculation and structure of stress control 229

5.3 Boundary property of accessories on XLPE insulated cable 245

5.4 Electrical calculation of terminal 266

5.5 Electrical calculation of joint 272

5.6 Shrinkage of XLPE insulated cable 277

Chapter six Confirm design parameter of XLPE insulated cable line 280

6.1 Electric power system and cable insulation grade 280

6.2 Selection of current carrying capacity of XLPE insulated cable 289

6.3 Short circuit capacity and overload capacity of XLPE insulated cable 324

Chapter seven Confirm design parameter of accessories in XLPE insulated cable line 344

7.1 Basic requirement of cable accessories 344

7.2 Selection of hardware 346

7.3 Selection of XLPE insulated cable accessories 351

Chapter eight XLPE insulated cable installation and laying 377

8.1 Environment and condition of cable laying 377

8.2 Laid method and laid requirements of cable 380

8.3 Laid method of cable 400

8.4 Fire and flame retardant of cable 423

Chapter nine XLPE insulated cable accessories installation 434

9.1 Non-complete cable accessories 435

9.2 Installed technology of wrapping accessories 437

9.3 Installed technology of heat shrinkable accessories 443

9.4 Installed technology of prefabricated accessories 463

9.5 Installation of earthing box,earthing protection box and cross-connected protection box 478

9.6 Process of cable lead seal 480

9.7 HV cable accessories installed position 487

Chapter ten Connection and earthing of metallic sheath of XLPE insulated cable 492

10.1 Function of connection and earthing of metallic sheath Of XLPE insulated cable 492

10.2 Method of connection and earthing of metallic sheath 496

10.3 Equipotential line and protector connected method used in metallic sheath 503

10.4 Installation of protector and notes about the grounding of sheath 512

Chapter eleven Hand-over test and prevention test of XLPE insulated cable 521

11.1 Test of insulation resistance 521

11.2 Measurement of positive and zero sequence impedance 525

11.3 Withstand voltage teat 526

11.4 Cheek of cable phase 546

11.5 Step of preventive test and judgement of test result 548

Chapter twelve Online monitoring of XLPE insulated cable 555

12.1 Reason led to online monitoring of XLPE insulated cable 555

12.2 Prevention test and defects of it 558

12.3 Online monitoring of XLPE insulated cable 570

12.4 New type method of prevented test and hand-over test 601

Chapter thirteen Detection of cable fault 611

13.1 Confirm of cable fault property 611

13.2 Classification of test method 615

13.3 Measure cable fault with DC WHEATSTONE bridge 618

13.4 Low-voltage pulse method 633

13.5 Flashover method 635

13.6 Induction method 646

13.7 Acoustic measurement method 656

Chapter fourteen Operation,maintenance,technology management and security controls of XLPE power cable 665

14.1 Cable line operation 665

14.2 Maintenance of cable lines 676

14.3 Technology management of cable lines 678

14.4 Security controls of cable laying 685

14.5 Security controls when accessories installed 688

14.6 Tunnels and subaqueous cable work 690

14.7 Cable test 691

14.8 Maintenance cost of cable lines 692

14.9 Accident analysis steps 704

References 710

Author introduction 712