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| Content Provider | IET Digital Library |
|---|---|
| Author | Ding, Yujian Yao, Xiuyuan Gu, Chen Wang, Xi |
| Abstract | AC system which ±800 kV converter station access to commonly used 500 kV voltage level. With the construction of the Northwest Energy Base, a large number of ultra-high-voltage direct current (UHVDC) project are constructing. The backbone voltage in the northwest region is 750 kV. Phase or phase-to-ground clearance the converter transformer 750 kV AC side required will affect the length of the valve hall and the highest altitude of the project close to 3000 m. In order to optimise the 750 kV AC side and meet the engineering requirements in high altitude areas, this paper carried out the true phase-to-ground and phase–phase discharge characteristics test in the gap of 750 kV AC side in Beijing and Tibet, and the gap discharge voltage was then corrected for altitude. At last, the distance at different altitudes of 3000 m and below between the phase-ground and the phase-to-phase at the AC side of converter transformer is obtained. The results provide the design of UHV converter station in Northwest China with technical support. |
| Starting Page | 2480 |
| Ending Page | 2483 |
| Page Count | 4 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 16, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8530 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-26 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
| Subject Keyword | AC Side AC System Air Gap Backbone Voltage Clearance Optimisation Converter Station Access Converter Transformer D.C. Transmission Gap Discharge Voltage High Altitude Areas Highest Altitude HVDC Power Converter HVDC Power Transmission Northwest Energy Base Northwest Region Phase-to-ground Clearance Phase–phase Discharge Characteristics Test Power Converter Power Supplies to Apparatus Power Transformer Power Transmission Line Protection Apparatus Size 3000.0 M Substations Transformer And Reactors UHV Converter Station UHVDC Converter Transformer Ultra-high-voltage Direct Current Project Voltage 500 KV Voltage 750.0 KV Voltage 800.0 KV Voltage Level |
| Content Type | Text |
| Resource Type | Article |
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