Distributed PV voltage stability method based on reactive power control of inverter

Long Ma; Yong Wang; Shuo Zhang; Zhichao Wen; Yang You; Shengcheng Guo; Xiaojun Zhang

doi:10.1117/12.3034283

5 July 2024 Distributed PV voltage stability method based on reactive power control of inverter

Long Ma, Yong Wang, Shuo Zhang, Zhichao Wen, Yang You, Shengcheng Guo, Xiaojun Zhang

Proceedings Volume 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024); 131830F (2024) https://doi.org/10.1117/12.3034283
Event: The 3rd International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 2024, Wuhan, China

Abstract

The approach to large-scale PV has a lot of negative impacts on the distribution grid, such as the instability of the system voltage, the increase of harmonics etc. To solve the problem of voltage instability when PV is connected to power grid, this paper puts forward a strategy of using inverter for reactive power control, and makes full use of the reactive power regulation ability of the inverter Q (cos φ(U)) and Q(U). On the basis of the two control strategies, a weighted control method is proposed, which takes into account the control node voltage and improves the power factor of the system, and realizes the friendly grid-connected photovoltaic system.

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

Citation Download Citation

Long Ma, Yong Wang, Shuo Zhang, Zhichao Wen, Yang You, Shengcheng Guo, and Xiaojun Zhang "Distributed PV voltage stability method based on reactive power control of inverter", Proc. SPIE 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 131830F (5 July 2024); https://doi.org/10.1117/12.3034283

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