GB/T 24842-2018 Active National standards

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

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

Publish Date: 2018-07-13 Implement Date: 2019-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 24842-2018

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electricity

ICS Name: The transmission grid and the distribution grid

Publish Date: 2018-07-13

Implement Date: 2019-02-01

Pages: 60 pages

Scope

This standard specifies the measures to limit overvoltage in 1,000 kV power 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 levels and air gap distances 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 standard applies to overvoltage and insulation coordination in AC power transmission and transformation projects with a nominal voltage of 1,000 kV (the maximum system voltage is 1,100 kV).

Development Information

Word Count: 103 Thousand words Pages: 60 pages

Replace the following standards

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

Referenced Standards

GB/T 311.2-2013 Insulation co-ordination—Part 2:Application guide 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 2900.19-1994 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 GB/T 2900.94-2015 Electrotechnical terminology—Instrument transformers GB/T 2900.95-2015 Electrotechnical terminology—transformers,voltage regulators and reactors GB/T 50064-2014 Code for design of overvoltage protection and insulation coordination for AC electrical installations

Related Standards

GB/T 17211-1998 Replaced

GB/T 17211-1998 Loading guide for dry-type power transformers

Publish Date: 1998-01-20

GB/T 2900.52-2000 Replaced

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

Publish Date: 2000-12-11

GB/Z 24835-2009 Replaced

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

Publish Date: 2009-11-30

GB/Z 24842-2009 Replaced

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

Publish Date: 2009-11-30

GB/Z 24843-2009 Replaced

GB/Z 24843-2009 Technical specification of 1 000 kV single phase oil-immersed auto-transformer

Publish Date: 2009-11-30

GB/Z 24846-2009 Replaced

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

Publish Date: 2009-11-30