GB50217-2007电力工程电缆设计规范（英文版）

Appendix H Calculation Methods for Maximum Allowable Length of Conduits in case of Penetrating Cables through Conduits

Appendix G Additional Length of Cables Rated 5kV and Below During Laying Measurement

Appendix F Calculation Formula of Normal Induced Potential of Metallic Layer of Single-core Cables of AC System

E.2 Allowable Minimum Cross-section of Conductors for Self-contained Oil-filled Cables

E.1 Allowable Minimum Cross-section of Conductors of Solid Insulated Cables

Appendix E Methods for Calculation of Allowable Minimum Cross-section of Cable Conductor Based on the Short-circuit Thermal Stability Conditions

Appendix D Correction Factors of Allowable Continuous Ampacity of Cables Under Different Laying Conditions

Appendix C Allowable 100% Continuous Ampacity of Common Power Cables Rated 10kV and below

Appendix B Section Selection Methods for Economic Current of Power Cable Rated 10kV and below

Appendix A Maximum Allowable Temperature of Common Power Cable Conductor

7 Fire Protection and Retardation of Cables

6.2 Cable Supports and Trays

6.1 General Provisions

6 Cable Supports and Fixings

5.7 Underwater Cable Laying

5.6 Cable Laying in Other Utilities

5.5 Cable Structures Laying

5.4 Laying of Protection Conduits

5.3 Underground Direct Burying

5.2 Selection of Laying Mode

5.1 General Provisions

5 Cable Laying

4.2 Oil Supply Systems of Self-contained Oil-filled Cables

4.1 General Provisions

4 Selection and Configuration of Cable Accessories

3.7 Cross-section of Power Cables

3.6 Control Cable and Metal Shielding

3.5 Type of External Sheath of Cable

3.4 Type of Cable Insulation

3.3 Cable Insulation Level

3.2 Number of Power Cable Cores

3.1 Material of Cable Conductor

3 Selection of Cable Type and Cross-section

2 Terms and Definitions

1 General

Foreword

Announcement of Ministry of Construction of the People's Republic of China

版权信息

封面

封面

版权信息

Announcement of Ministry of Construction of the People's Republic of China

Foreword

1 General

2 Terms and Definitions

3 Selection of Cable Type and Cross-section

3.1 Material of Cable Conductor

3.2 Number of Power Cable Cores

3.3 Cable Insulation Level

3.4 Type of Cable Insulation

3.5 Type of External Sheath of Cable

3.6 Control Cable and Metal Shielding

3.7 Cross-section of Power Cables

4 Selection and Configuration of Cable Accessories

4.1 General Provisions

4.2 Oil Supply Systems of Self-contained Oil-filled Cables

5 Cable Laying

5.1 General Provisions

5.2 Selection of Laying Mode

5.3 Underground Direct Burying

5.4 Laying of Protection Conduits

5.5 Cable Structures Laying

5.6 Cable Laying in Other Utilities

5.7 Underwater Cable Laying

6 Cable Supports and Fixings

6.1 General Provisions

6.2 Cable Supports and Trays

7 Fire Protection and Retardation of Cables

Appendix A Maximum Allowable Temperature of Common Power Cable Conductor

Appendix B Section Selection Methods for Economic Current of Power Cable Rated 10kV and below

Appendix C Allowable 100% Continuous Ampacity of Common Power Cables Rated 10kV and below

Appendix D Correction Factors of Allowable Continuous Ampacity of Cables Under Different Laying Conditions

Appendix E Methods for Calculation of Allowable Minimum Cross-section of Cable Conductor Based on the Short-circuit Thermal Stability Conditions

E.1 Allowable Minimum Cross-section of Conductors of Solid Insulated Cables

E.2 Allowable Minimum Cross-section of Conductors for Self-contained Oil-filled Cables

Appendix F Calculation Formula of Normal Induced Potential of Metallic Layer of Single-core Cables of AC System

Appendix G Additional Length of Cables Rated 5kV and Below During Laying Measurement

Appendix H Calculation Methods for Maximum Allowable Length of Conduits in case of Penetrating Cables through Conduits