国家能源局公告

前言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　路　　径

4　气象条件

5　导线和地线

• 5.1　导线和地线选择

• 5.2　导线和地线防振

• 5.3　导线防舞

6　绝缘配合

• 6.1　基本要求

• 6.2　交流线路的绝缘配合及空气间隙

• 6.3　直流线路的绝缘配合及空气间隙

7　防雷和接地

• 7.1　基本要求

• 7.2　交流线路的防雷

• 7.3　直流线路的防雷

• 7.4　输电线路的接地

8　绝缘子和金具

9　导地线布置

• 9.1　导线线间距离

• 9.2　导地线水平偏移

• 9.3　导地线风偏设计风荷载

• 9.4　绝缘子串风偏设计风荷载

• 9.5　线路换位

10　交叉跨越与对地距离

• 10.1　基本要求

• 10.2　交流线路的交叉跨越及对地距离

• 10.3　直流线路的交叉跨越及对地距离

11　附属设施

附录A　典型气象区

附录B　最小年费用法计算

附录C　导线表面最大电位梯度计算

附录D　电晕无线电干扰场强计算

附录E　电晕可听噪声计算

附录F　直流线路地面标称场强、合成场强和离子流密度计算

附录G　导线允许载流量

附录H　舞动校验及防舞措施

附录J　高压架空线路污秽分级标准

附录K　各种绝缘子的m1参考值

附录L　公路等级

附录M　电信线路等级

本标准用词说明

引用标准名录

1　General provisions

2　Terms and symbols

• 2.1　Terms

• 2.2　Symbols

3　Routing

4　Meteorological conditions

5　Conductor and earth wire

• 5.1　Selection of conductor and earth wire

• 5.2　Anti-vibration of conductor and earth wire

• 5.3　Anti-gallopping of conductor

6　Insulation coordination

• 6.1　Basic requirements

• 6.2　Insulation coordination and electrical clearance of AC transmission line

• 6.3　Insulation coordination and electrical clearance of DC transmission line

7　Lightning protection and grounding

• 7.1　Basic requirements

• 7.2　Lightning protection of AC transmission line

• 7.3　Lightning protection of DC transmission line

• 7.4　Grounding of transmission line

8　Insulators and fittings

9　Arrangement of conductor and earth wire

• 9.1　Distance between conductors

• 9.2　Horizontal offset of conductor and earth wire

• 9.3　Wind load on wire for wind-deviation

• 9.4　Wind load on insulator string for wind-deviation

• 9.5　Transposition

10　Crossing and ground clearance

• 10.1　Basic requirements

• 10.2　Crossing and ground clearance of AC transmission lin

• 10.3　Crossing and ground clearance of DC transmission line

11　Accessories

Appendix A　Description of typical meteorological district

Appendix B　Calculation of minimum annual cost method

Appendix C　Calculation of maximum voltage gradient on conductor surface

Appendix D　Calculation of field strength of corona radio interference

Appendix E　Calculation of corona audible noise

Appendix F　Calculation of nominal field strength and total field strength and ion current density above ground

Appendix G　Carrying capacity of conductor

Appendix H　Conductor gallop checking and anti-gallopping measures

Appendix J　Pollution classification standard for high voltage overhead lines

Appendix K　Reference value of m1 for different insulators type

Appendix L　Road grade

Appendix M　Telecommunication line grade

Explanation of wording in this standard

List of quoted standards