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| Content Provider | IET Digital Library |
|---|---|
| Author | Yao, Shujun Huang, Wenerda Hao, Wenbo Wanhua, Guo |
| Abstract | The separating pole connection (SPC) mode of ultra-high-voltage direct current (UHVDC) can significantly improve the power stability, but when the AC bus of one pole is failed and two receiving systems are near, it may cause subsequent commutation failure. In order to restrain subsequent commutation failure and accelerate system's recovery, an adaptive voltage-dependent current order limiter (VDCOL) control strategy based on granular computing is proposed. According to this VDCOL control strategy, VDCOL, which uses fuzzy rules to separate and granulate a different voltage level, can adjust DC current dynamically in a variety of environments. Also, some modifications on VDCOL characteristics are applied to reduce reactive power consumption during low-voltage situations. Then based on the MATLAB simulation platform, the simulation systems for 800 kV the UHVDC SPC system are built. Finally, the simulation example of the SPC mode with the adaptive VDCOL control strategy showed that this VDCOL control strategy can reduce the risk of subsequent commutation failure and improve the stability of the AC/DC interconnection system. |
| Starting Page | 1754 |
| Ending Page | 1758 |
| Page Count | 5 |
| 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.2018.8759 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-23 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | AC-DC Interconnection System Adaptive VDCOL Control Strategy Adaptive Voltage-dependent Commutation Control of Electric Power System D.C. Transmission HVDC Power Transmission Low-voltage Situations Pole Connection Mode Power Stability Power System Economics Power System Interconnection Power System Managemen Power System Operation Power System Stability Power Transmission Control Power Transmission Reliability Reactive Power Control Receiving System Reliability Simulation System SPC Mode Stability in Control Theory Subsequent Commutation Failure UHVDC SPC System Ultra-high-voltage Direct Current VDCOL Characteristic Voltage 800.0 KV Voltage Control Voltage Level |
| Content Type | Text |
| Resource Type | Article |
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