Paper
10 August 2023 An optimized control switching strategy for STATCOM/BESS reactive power output
Na Wu, Chengyong Zhao, Hongyang Yu, Zhichang Yang, Xiaoge Liu
Author Affiliations +
Proceedings Volume 12759, International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2023); 127590J (2023) https://doi.org/10.1117/12.2686383
Event: 2023 3rd International Conference on Automation Control, Algorithm and Intelligent Bionics (ACAIB 2023), 2023, Xiamen, China
Abstract
In recent years, STATCOM/BESS (Static Synchronous Compensator/Battery Energy Storage System) has received widespread attention due to its superior power four-quadrant output characteristics. To address the problem of delayed reactive power withdrawal and voltage fluctuations in compensating traditional DC transmission under large disturbances, a fast and effective outer-loop control switching strategy has been proposed. Under small disturbances, a constant bus voltage control method based on PI control is adopted to provide real-time and complete compensation of the receiving end voltage, maintaining the receiving-end bus voltage at the rated value. Under large disturbances, the control mode is switched to open-loop control with constant reactive power, without the delay of the PI loop, enabling timely withdrawal of reactive power upon fault clearance and ensuring stable receiving-end voltage. The proposed control strategy was verified by simulation on the PSCAD/EMTDC platform, demonstrating its feasibility and effectiveness.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Na Wu, Chengyong Zhao, Hongyang Yu, Zhichang Yang, and Xiaoge Liu "An optimized control switching strategy for STATCOM/BESS reactive power output", Proc. SPIE 12759, International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2023), 127590J (10 August 2023); https://doi.org/10.1117/12.2686383
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KEYWORDS
Switching

Control systems

Power grids

Switches

Batteries

Logic

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