GB/T 20990.1-2007Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing (English PDF)
高压直流输电晶闸管阀 第1部分：电气试验
GB/T 20990.1 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 20990.1-2020 | Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing | Valid |
| GB/T 20990.1-2007 | Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing | Obsolete |
GB/T 20990.1-2007 is obsolete. It has been replaced by GB/T 20990.1-2020. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
June 21, 2007
Implementation date
February 1, 2008
Scope
GB/T 20990.1-2007 is the English-translated version of 高压直流输电晶闸管阀 第1部分：电气试验.
GB/T 20990.1-2007 is the Chinese national standard "Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing".
It was issued on June 21, 2007 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on February 1, 2008. It is obsolete: it has been replaced by GB/T 20990.1-2020.
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Document preview — GB/T 20990.1-2007
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2007-06-21.
Date of implementation: 2008-02-01.
Status: obsolete, replaced by GB/T 20990.1-2020.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 31487.2-2025Direct current deicers - Part 2: Converters
- GB/T 45648.1-2025Controllable self-restoring energy dissipation devices - Part 1: DC side
- GB/T 33348-2024Voltage sourced converter valves for high-voltage direct current power transmission - Electrical testing
- GB/T 42558.1-2023Seismic techniques of electrical equipment in converter station on plateau—Part 1:Directives for seismic test and evaluation
- GB/T 36559-2018Thyristor valves for HVDC transmission
- GB/T 31487.3-2015Direct current de-icing devices -- Part 3: Tests
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