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| Content Provider | IET Digital Library |
|---|---|
| Author | Tian, Xinshou Wang, Weisheng Chi, Yongning Li, Yan Liu, Chao |
| Abstract | As the mechanical parts of doubly fed induction generator (DFIG) are decoupled from electrical part, the total equivalent rotary inertia of power system are decreased with growing continuously of wind power penetration, which will bring pressure to frequency stability of system. On the basis of analysing operation and control characteristics of DFIG, the equivalent virtual inertia time constant of DFIG, wind farms based on DFIG, and connected power system was calculated. A virtual inertia control strategy of DFIG using rotor current direct control based on equivalent virtual inertia time constant was proposed. The proposed virtual inertia control strategy of DFIG includes traditional control function module, status assessment module, and additional virtual inertia control module. The time domain simulation was carried out on the basis of theoretical analysis, the simulation results show that the proposed virtual inertia control strategy of DFIG can provide efficacious frequency support to the power grid at all kinds of operating conditions, and the frequency stability of power system with large-scale wind power was improved. |
| Starting Page | 922 |
| Ending Page | 928 |
| Page Count | 7 |
| Volume Number | 2017 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2017/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2017.0464 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2017-01-01 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
| Subject Keyword | Adaptation Virtual Inertia Control Strategy Asynchronous Generator Asynchronous Machine Connected Power System Calculation Control of Electric Power System Current Control DFIG Doubly Fed Induction Generator Electric Current Control Equivalent Virtual Inertia Time Constant Assessment Frequency Control Frequency Stability Large-scale Wind Power Penetration Machine Control Mathematical Analysis Power Generation Control Power Grid Power System Control Power System Stability Rotor Current Direct Control Rotors Stability in Control Theory Status Assessment Module Time Domain Analysis Time Domain Simulation Wind Farm Wind Power Plant |
| Content Type | Text |
| Resource Type | Article |
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