| Issue |
E3S Web Conf.
Volume 252, 2021
2021 International Conference on Power Grid System and Green Energy (PGSGE 2021)
|
|
|---|---|---|
| Article Number | 01033 | |
| Number of page(s) | 5 | |
| Section | Power Control Technology and Smart Grid Application | |
| DOI | https://doi.org/10.1051/e3sconf/202125201033 | |
| Published online | 23 April 2021 | |
Adaptive Voltage Control of Distribution Network with High Proportion PV
1 State Grid Zhejiang Electric Power Co. Ltd. Research Institute, Hangzhou, Zhejiang, 310014, China
2 Hangzhou Yineng Power Technology Co., Ltd., Hangzhou, Zhejiang, 310014, China
3 College of Information Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
* Corresponding author’s e-mail: zhoudan@zjut.edu.cn
With the increase of grid-connected PV capacity, voltage regulation at point of common coupling by controlling the reactive power injected into the grid is available. This paper presents an adaptive voltage control strategy for distribution network with high proportion PV system. The PI gain of the voltage controller is automatically adjusted by the extremum seeking algorithm to dynamically respond to the changes of the network. The PI gains are updated online through the minimization of a cost function, which represents the voltage controller performance. Finally, a distribution network model of 5 MW photovoltaic power generation system is built in MATLAB / Simulink to verify the effectiveness of the proposed control strategy.
© The Authors, published by EDP Sciences, 2021
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