DL/T 5217-2005 英文版 220kV～500kV紧凑型架空送电线路设计技术规定
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ICS27.100
P62
Record No.J429—2005
Electric Power Industry Standard of the People's Republic of China
DL/T5217-2005
Technical Code for Design of
220 kV-500 kV Compact Overhead
Transmission Line
Issue Date:February 14,2005
Implementation Date:June 1,2005
Issued by the National Development and Reform Commission of the People's Republic of China
1 Scope
1.0.1 This code specifies the main design and technical requirements for 220 kV-500 kV AC compact overhead transmission lines.
1.0.2 This code is applicable to the design of 220 kV-500 kV compact overhead transmission lines (hereinafter referred to as compact lines).
1.0.3 This code is not applicable to the design of compact lines in heavy icing areas and those with a large span.
2 Normative References
The following normative documents contain provisions which,through reference in this text,constitute the provisions of this code.For dated references,subsequent amendments(excluding the contents of errata) to,or revision of,any of these publications do not apply.However,parties to agreements based on this code are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.For undated references,the latest edition of the normative document referred to applies.
DL/T 5092-1999 Technical Code for Designing 110 kV-500 kV Overhead Transmission Line
DL/T 5154-2002 Technical Regulation of Design for Tower and Pole Structures of Overhead Transmission Line
3 General
3.0.1 The construction of compact line shall be demonstrated in terms of the necessity,economic benefits and social benefits from the perspective of increase of the transmission capacity of power grids and save of line corridors.
3.0.2 The design of compact lines must be in compliance with the national basic construction strategy and economic policies and be safe,reliable,economic and reasonable.
3.0.3 This code is based on DL/T 5092-1999 and makes supplementary provisions on the technical design of compact lines.
For the basic rules governing loads,materials,structural design,structure and foundation of towers,refer to DL/T 5092-1999.
3.0.4 In addition to the requirements stipulated in this code,relevant provisions specified in the current national standards and electric power industry standards shall also be complied with in the design of compact lines.