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| Content Provider | IET Digital Library |
|---|---|
| Author | Qian, Minhui Zhao, Dawei Ma, Jin Zhu, Lingzhi Ju, Rongrong Chen, Mei |
| Abstract | Marked with flexible interconnection and control, the high-voltage direct current (HVDC) gird has captured much attention of industries and academics. Hybrid dual-infeed or multi-infeed HVDC composed of line-commutated-converter HVDC (LCC-HVDC) and voltage source converter HVDC (VSC-HVDC) will form the main pattern in a further power grid; meanwhile, the new gird pattern will bring new opportunities and challenges to security and stability control in the power system. First, research works on the control strategies and operation performances of LCC-HVDC and VSC-HVDC are stated in this paper; then, a model of wind power integration into a dual-infeed DC transmission system is established in PowerFactory, and case studies are conducted in both steady and transient states. On this basis, a new control strategy for variable-speed constant-frequency wind power generators to promote voltage characteristics of the DC network is designed in this paper, and two additional active power control segments are designed in the traditional control system; thus, DC voltage stability can be improved by fast regulation of active power output due to quick power adjustment of wind power generators; simulations are implemented and the results will lay a foundation for safe and stable operation in the DC transmission system with renewable energy integration. |
| Starting Page | 1703 |
| Ending Page | 1708 |
| Page Count | 6 |
| 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.2018.8460 |
| 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-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Active Power Control Segments Active Power Output Constant-frequency Wind Power Generators Control of Electric Power System Control Strategy Control System D.C. Transmission DC Voltage Stability Dual-infeed DC Transmission System Flexible Interconnection Gird Pattern High-voltage Direct Current Gird HVDC Power Converter HVDC Power Transmission Hybrid Dual-infeed HVDC Large-scale Renewable Energy Integration LCC-HVDC Multiinfeed HVDC Operation Characteristic Power Control Power Converter Power Generation Control Power Grid Power Supplies to Apparatus Power System Power System Security Power System Stability Power Transmission Control Power Transmission Fault Quick Power Adjustment Stability Control Stability in Control Theory Voltage Characteristic VSC-HVDC Wind Power Integration Wind Power Plant |
| Content Type | Text |
| Resource Type | Article |
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