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| Content Provider | IET Digital Library |
|---|---|
| Author | Tang, Bingjie Chi, Yongning Tian, Xinshou Li, Yan |
| Abstract | The increasing of large-scale wind power integration capacity brings great challenges to the safe operation and management of power grid. Modern grid codes put forward the requirements of fault ride through (FRT) capability: (i) to remain continuous operation at a given time; (ii) to contribute to support the voltage stability during FRT by providing reactive current. Aiming at the FRT problem of doubly fed induction generator (DFIG), critical elements of the rotor side converter (RSC) and the grid side converter (GSC) to FRT are analysed, and the improving RSC control scheme, adding extra hardware equipment, and improving reactive current control scheme are studied. Matlab/Simulink simulation studies are conducted to verify the effectiveness of the proposed strategies. The results show that when the grid fault is light, the improving RSC control strategy can effectively control the rotor winding overcurrent, when the grid fault is serious, it needs additional hardware equipment; the coordinated control strategy of the RSC and the GSC providing reactive current support is identified as the most advantageous approach because it not only provides enhanced reactive support for the grid, but also avoids over-speed risk of DFIG based wind turbine shaft. |
| Starting Page | 948 |
| Ending Page | 954 |
| Page Count | 7 |
| 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.2018.8609 |
| 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 | (FRT) Capability Additional Hardware Equipment Asynchronous Generator Asynchronous Machine Continuous Operation Control of Electric Power System Coordinated Control Strategy Critical Element DFIG Based Wind Turbine Shaft DFIG's Converter Doubly Fed Induction Generator Electric Current Control Enhanced Reactive Support Extra Hardware Equipment Fault Ride FRT Problem Given Time Great Challenges Grid Fault Improving RSC Control Strategy Improving RSG Control Scheme Large-scale Wind Power Integration Capacity Management MATLAB/Simulink Simulation Studies Modern Grid Code Power Converter Power Generation Control Power Generation Fault Power Grid Power System Control Reactive Current Control Scheme Reactive Current Support Rotor Rotors Safe Operation Shafts Voltage Stability Wind Power Plant Wind Turbine |
| Content Type | Text |
| Resource Type | Article |
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