Issue |
E3S Web Conf.
Volume 185, 2020
2020 International Conference on Energy, Environment and Bioengineering (ICEEB 2020)
|
|
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Article Number | 01060 | |
Number of page(s) | 9 | |
Section | Energy Engineering and Power System | |
DOI | https://doi.org/10.1051/e3sconf/202018501060 | |
Published online | 01 September 2020 |
Study on High Performance Control of the Machine-Side Converter of Doubly-Fed Turbines under Grid Distortion
State Grid Henan Economic Research Institute, Zhengzhou, Henan 450000, China
* Corresponding author: qihuanruo@outlook.com
Two control strategies of DFIG under grid distortion are firstly summarized, namely, the control strategy of PI-R current controller based on dq reference frame and the control strategy of PI current controller based on the multiple rotating dq reference frame, and their advantages and disadvantages are analysed. On the basis of dynamic modelling of DFIG under grid distortion, in view of the defect that DFIG coupling is not considered in the control strategy of PI-R current controller based on dq reference frame, an improved control strategy considering motor coupling is proposed. In the end, the modelling and simulation of the unimproved and improved control strategies of PI-R current controller based on dq reference frame are carried out, and the simulation results verified the effectiveness of the improved control strategy.
© The Authors, published by EDP Sciences, 2020
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