GB/T 20990.1-2020
Thyristor valves for high voltage direct current (HVDC)power transmission—Part1: Electrical testing
- Standard No.
- GB/T 20990.1-2020
- Language
- Chinese
- Release Date
- 2020
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Lastest
- GB/T 20990.1-2020
- Replace
- GB/T 20990.1-2007 GB/T 28563-2012
GB/T 20990.1-2020 history
- 2020 GB/T 20990.1-2020 Thyristor valves for high voltage direct current (HVDC)power transmission—Part1: Electrical testing
- 2012 GB/T 28563-2012 Electrical testing of thyristor valves for ±800kV ultra high voltage direct current(UHVDC)power transmission
- 2007 GB/T 20990.1-2007 Thyristor valves for high voltage direct current(HVDC)power transmission- Part 1: Electrical testing
GB/T 20990.1-2020 Thyristor valves for high voltage direct current (HVDC)power transmission—Part1: Electrical testing has been changed from GB/T 28563-2012 Electrical testing of thyristor valves for ±800kV ultra high voltage direct current(UHVDC)power transmission.