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DL/T 1122-2009Technical guide of insulation coordination selection for overhead transmission line (English PDF)

架空输电线路外绝缘配置技术导则

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Issued by

National Energy Administration

Level / Type

National · Recommended

Issue date

July 22, 2009

Implementation date

December 1, 2009

Scope

DL/T 1122-2009 is the English-translated version of 架空输电线路外绝缘配置技术导则.

DL/T 1122-2009 — This standard specifies the overhead transmission line in a polluted area, lightning zone, ice zone, external insulation bird hazard zone configuration.

This standard applies to 110 (66) kV ~ 750kV AC overhead transmission line configuration of the outer insulation, DC overhead transmission lines using external insulation configuration, see.

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Document preview — DL/T 1122-2009

National Standard of the People's Republic of China

ICS: 29.240.20
Classification: F 20

Issued by: National Energy Administration

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the overhead transmission line in a polluted area, lightning zone, ice zone, external insulation bird hazard zone configuration. This standard applies to 110 (66) kV ~ 750kV AC overhead transmission line configuration of the outer insulation, DC overhead transmission lines using external insulation configuration, see. This standard does not include line pole Tata head air gap values ??and choices, does not involve elevation or icing of external insulation configuration levels.

Document data

International classification (ICS): 29.240.20.

Chinese classification (CCS): F20.

Estimated length of the Chinese original: 16,148 words.

Standards quoted by this document

GB/T 2900.5; GB/T 2900.8; GB/T 4585; GB/T 16434; DL/T 627; DL/T 859; IEC 61425

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

Referenced standards

Cited by

DL/T 1000.3-2015Application guide of insulators for overhand lines with a nominal voltage over 1000V - Part 3: Composite insulator for a.c. system

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