The flexible voltage layering and hierarchical regulation for distributed photovoltaics

Zhanlei Gu; Xiaohui Zhu; Jun Wang; Zhiyuan Zhao

doi:10.1117/12.3026270

1 April 2024 The flexible voltage layering and hierarchical regulation for distributed photovoltaics

Zhanlei Gu, Xiaohui Zhu, Jun Wang, Zhiyuan Zhao

Proceedings Volume 13082, Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023); 1308208 (2024) https://doi.org/10.1117/12.3026270
Event: 2023 4th International Conference on Mechanical Engineering, Intelligent Manufacturing and Automation Technology (MEMAT 2023), 2023, Guilin, China

Abstract

With the large scale access of distributed photovoltaic, the problem of voltage over limit at the end of low voltage distribution network often occurs, and the traditional centralized voltage over limit management method has too many dependent variables to meet the real time requirements of flexible regulation. In view of the above reasons, this paper proposes a layered and hierarchical flexible control method for grid connection voltage for distributed photovoltaic. Firstly, the voltage overlimit index of different junction points is divided into regions, and the flexible regulation algorithm of reactive power and active power of distributed photovoltaic power generation is proposed. Through the three level governance architecture of voltage overlimit management of junction points, voltage overlimit management of distribution station area and regional voltage overlimit management, the safe and compliant operation of voltage at the end of low voltage distribution network is ensured. Finally, the experimental environment is set up to verify the effectiveness of the layered and hierarchical flexible regulation algorithm on the control of voltage overlimit at the end of the low voltage distribution network.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zhanlei Gu, Xiaohui Zhu, Jun Wang, and Zhiyuan Zhao "The flexible voltage layering and hierarchical regulation for distributed photovoltaics", Proc. SPIE 13082, Fourth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Automation Technology (MEMAT 2023), 1308208 (1 April 2024); https://doi.org/10.1117/12.3026270

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