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GB/T 25083-2010Metal-oxide surge arresters without gaps for ±800kV UHVDC systems (English PDF)

±800kV直流系统用金属氧化物避雷器

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 2, 2010

Implementation date

February 1, 2011

Scope

GB/T 25083-2010 is the English-translated version of ±800kV直流系统用金属氧化物避雷器.

GB/T 25083-2010 is the Chinese standard "Metal-oxide surge arresters without gaps for ±800kV UHVDC systems".

Its scope clause reads: This standard specifies ± 800kV DC transmission with a ceramic jacket and composite jacket without metal oxide surge arresters (hereinafter referred to as lightning protection Device) technical parameters, test methods and inspection rules and so on.

This standard applies to porcelain jacket and composite jacket without metal oxide surge arresters. This standard does not apply to gas-insulated metal-enclosed gold Is an oxide surge arrestor. Its clauses include normative reference documents; terms and definitions.

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Document preview — GB/T 25083-2010

National Standard of the People's Republic of China

ICS: 29.080.99
Classification: K 49

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 normative reference document
3 Terms and definitions
4 symbols and abbreviations
4.1 subscript footnote
4.2 letter symbol
4.3 Abbreviations
4.4 Signs of arrester in the layout of DC converter station
5 arrester operating conditions
5.1 Normal operating conditions
5.2 Exceptional operating conditions
6.1 Electrical technical requirements
6.2 Insulation withstand performance of arrester jacket
6.3 Reference voltage of arrester
6.4 Continuous current of arrester
6.5 0.75 times the surge arrestor DC reference voltage leakage current
6.6 Residual voltage of arrester
6.7 partial discharge of the arrester and radio interference voltage
6.8 sealing performance of arrester
6.9 Current distribution of multi - column arrester
6.10 Thermal stability of arrester
6.11 Energy tolerance
6.12 high current impact tolerance
6.13 action load
6.14 Temporary overvoltage withstand time characteristic of arrester
6.15 Pressure release
6.16 Mechanical properties of arrester
6.17 Earthquake Resistance
6.18 Anti-fouling performance of arrester
6.1 Appearance of arrester jacket
6.20 anti-corrosion properties of exposed parts
6.21 Thermal design and boiling water test requirements for composite jacket arrester
6.22 Rack and resistance to erosion of composite jacket arrester
7 measuring equipment and test items
7.1 Measuring equipment
7.2 Test
8.1 Appearance inspection of arrester jacket
8.2 Check the creepage distance of the arrester jacket
8.3 Continuous current test
8.4 Frequency reference voltage test
8.5 DC reference voltage test
8.6 0.75 times the leakage current test under the DC reference voltage
8.7 Partial discharge and radio disturbance voltage test
8.8 Residual pressure test
8.10 High current impulse withstand test
8.11 Action load test
8.12 Temporary Overvoltage Tolerance Time Characteristic Test
8.13 Insulation withstand test of arrester jacket
8.14 Pressure release test
8.15 Current distribution test of multi-column arrester
8.16 Mechanical performance test
8.17 Artificial contamination test
8.18 Seal test
8.19 Thermal test and boiling water test
8.20 Resistance to electric trap and erosion test of composite jacket arrester
9 Inspection rules
9.1 General
9.2 routine test
9.3 Type Test
9.5 Sampling Test
10 mark, packaging, shipping and warranty period
10.1 logo
10.2 Packaging
10.3 Technical documentation provided with the product
10.5 Warranty
Appendix A (informative) Typical UHV DC arrester Technical Data
Appendix B (informative) Energy stress of arrester

1 Scope

This standard specifies ± 800kV DC transmission with a ceramic jacket and composite jacket without metal oxide surge arresters (hereinafter referred to as lightning protection

Device) technical parameters, test methods and inspection rules and so on.

This standard applies to porcelain jacket and composite jacket without metal oxide surge arresters. This standard does not apply to gas-insulated metal-enclosed gold

Is an oxide surge arrestor.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard

Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard.

GB/T 191-2008 Packaging and storage icon (ISO 780..1997, MOD)

Specification for high - voltage insulator porcelain pieces GB/T Insulators - Test methods - Part 1. General test methods GB/T 775.1-2006

Insulators - Test methods - Part 3. Mechanical test methods GB/T 775.3-2006

Terminology of lightning arrester, low - voltage surge protector and components GB/T 2900.12-2008

GB/T 2900.19-1994 Electrical terminology - High voltage test technology and insulation mating (neq IEC 60071-1..1993)

GB/T 6553-2003 Test method for assessing electrical resistance and erosion of electrical insulating materials used in harsh environments (IEC 60587. 1984, IDT)

GB 11032-2000 AC gapless metal oxide surge arresters (eqvIEC 60099-4..1999)

Glossary of terms for HVDC transmission (IEC 60633..1998, IDT) GB/T 13498-2007

GB/T 16434-1996 High-voltage overhead lines and power plants, substation environmental pollution classification and external insulation selection criteria

GB/T 16927.1-1997 High voltage test technology - Part 1. General test requirements (eqvIEC 60060-1. 1989)

GB/T 16927.2-1997 High voltage test technology - Part 2. Measuring system (eqvIEC 60060-2..1994)

Specification for non - gap metal oxide surge arresters for HVDC converter stations GB/T 22389-2008

Multi - gap metal oxide surge arresters for composite jackets for communication systems JB/T 8952-2005

3 terms and definitions

GB/T 2900.12-2008, GB/T 2900.19-1994, GB 11032-2000 and GB/T 13498-2007

And the following terms and definitions apply to this standard.

3.1 Continuous operation voltage

The continuous operation voltage of the DC-side arrester of the HVDC converter station is composed of the DC voltage superimposed harmonic voltage, and the AC side and the valve

The continuous operation voltage of the arrester is composed of AC voltage full wave or half wave superimposed harmonic voltage. The continuous operating voltage is divided into three different

Of the value.

a) Maximum peak continuous operating voltage

PCOV Including the highest continuous operating voltage peak for commutation overshoot.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 311.3-2017Insulation co-ordination -- Part 3: Procedures for high-voltage direct current (HVDC) converter stations

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