GB/Z 24842-2009 Replaced National standards

GB/Z 24842-2009 Overvoltage and insulation coordination of 1000 kV UHV AC transmission project

GB/Z 24842-2009 Overvoltage and insulation coordination of 1000 kV UHV AC transmission project

Publish Date: 2009-11-30 Implement Date: 2010-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/Z 24842-2009

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Electricity

ICS Name: The transmission grid and the distribution grid

Publish Date: 2009-11-30

Implement Date: 2010-05-01

Pages: 45 pages

Scope

This guidance technical document specifies the measures to limit overvoltage in 1,000 kV ultra-high voltage AC transmission and transformation projects and the overvoltage levels after the adoption of these measures; recommends calculation and analysis methods for the lightning performance of overhead lines and substations; and provides principles, methods, and recommended values for determining the insulation level and air gap distance of equipment based on the insulation characteristics of 1,000 kV transmission lines and substation equipment and possible influencing factors, from the perspectives of safe operation and economic rationality.
This guidance technical document is applicable to the overvoltage and insulation coordination of 1,000 kV (with a system maximum voltage of 1,100 kV) ultra-high voltage AC transmission and transformation projects.

Development Information

Word Count: 81 Thousand words Pages: 45 pages

Superseded by the following standards

GB/T 24842-2018 Overvoltage and insulation coordination of 1 000 kV UHV AC transmission project

Referenced Standards

DL/T 620 GB/T 2900.1-1992 Electrotechnical terminology—Fundamental terms GB/T 2900.1-2008 Electrotechnical terminology—Fundamental terms GB/T 2900.12-2008 Electrotechnical terminology—Surge arresters, low-voltage surge protective devices and components GB/T 2900.15-1997 Electrotechnical terminology Transformer, instrument transformer, voltage regulator and reactor GB/T 2900.19-1994 Electrotechnical terminology High-voltage test technique and insulation co-ordination GB/T 2900.19-2022 Electrotechnical terminology—High-voltage test technique and insulation co-ordination GB/T 2900.20-1994 Electrotechnical terminology—High-voltage switchgear GB/T 2900.20-2016 Electrotechnical terminology—High-voltage switchgear and controlgear GB/T 2900.50-1998 Electrotechnical terminology Generation, transmission and distribution of electricity—General GB/T 2900.50-2008 Electrotechnical terminology—Generation,transmission and distribution of electricity—General

Related Standards

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GB/T 2900.52-2000 Replaced

GB/T 2900.52-2000 Electrotechnical terminology-Generation, transmission and distribution of electricity—Generation

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GB/Z 24835-2009 Replaced

GB/Z 24835-2009 Regulation of operation and maintenance for 1 000 kV gas-insulated metal-enclosed switchgear

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GB/Z 24846-2009 Replaced

GB/Z 24846-2009 Preventive test standards of 1000 kV AC electrical equipments

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GB/Z 24847-2009 Replaced

GB/Z 24847-2009 Technical guide on 1 000 kV AC system voltage and reactive power

Publish Date: 2009-11-30